Veröffentlichungen und Tagungsbeiträge

Modeling the Gas Liquid Interface of Falling Film Reactors in Fully Developed Flow Regime
Muthukumar, K. V.; Okraschevski, M.; Bürkle, N.; Bermudez, D. M. A.; Haber, M.; Koch, R.; Bauer, H.-J.; Ates, and C.
2024. High Performance Computing in Science and Engineering ’22: Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2022. Eds.: Wolfgang E. Nagel · Dietmar H. Kröner · Michael M. Resch, 281–298, Springer

Two approaches for constructing multivariate injection models for prefilming airblast atomizers
Holz, S.; Coblenz, M.; Koch, R.; Bauer, H.-J.; Grothe, O.
2024. International Journal of Multiphase Flow, 181, 104999. doi:10.1016/j.ijmultiphaseflow.2024.104999

Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply
Hoffmann, S.; Koch, R.; Bauer, H.-J.
2024. Journal of engineering for gas turbines and power, 146 (3), Article no: 031025. doi:10.1115/1.4063988

Application of acoustic levitation for studying convective heat and mass transfer during droplet evaporation
Lieber, C.; Autenrieth, S.; Schönewolf, K.-Y.; Lebanoff, A.; Koch, R.; Smith, S.; Schlinger, P.; Bauer, H.-J.
2024. International Journal of Multiphase Flow, 170, Art.-Nr.: 104648. doi:10.1016/j.ijmultiphaseflow.2023.104648

A Multi-Resolution Approach for Multi-phase Flows
Bürkle, N.; Okraschevski, M.; Koch, R.; Bauer, H.-J.
2023, Juni 28. 17th SPHERIC International Workshop (2023), Rhodos, Griechenland, 27.–29. Juni 2023

Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply
Hoffmann, S.; Koch, R.; Bauer, H.-J.
2023, Juni 29. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition (GT 2023), Boston, MA, USA, 26.–30. Juni 2023

A Multi-Resolution Approach for Multi-phase Flows
Bürkle, N.; Okraschevski, M.; Koch, R.; Bauer, H.-J.
2023. 17th International Smoothed Particle Hydrodynamics Research and Engineering International Community SPHERIC 2023, 17th SPHERIC International Workshop (2023) Rhodos, Griechenland, 27.06.2023–29.06.2023

Exploring Particle Based Modeling of Turbulent Multi-Phase Flow: A Comparative Study of SPH and MFM
Wicker, M.; Okraschevski, M.; Koch, R.; Bauer, H.-J.
2023. Proceedings of the 17th SPHERIC International Workshop, Rhodos, Greece, June 27-29, 2023

Interface enhancement with textured surfaces in thin-film flows
Muthukumar, K. V.; Ates, C.; Okraschevski, M.; Bürkle, N.; Aguirre Bermudez, D. M.; Haber, M.; Koch, R.; Bauer, H.-J.; Düll, A.; Öhl, F.; Häber, T.; Deutschmann, O.
2023. 17th SPHERIC International Workshop

Development and Validation of a Surface Tension Model for the Meshless-Finite-Mass Method
Wicker, M.; Okraschevski, M.; Koch, R.; Bauer, H.-J.
2023. Deutscher Luft- und Raumfahrtkongress 2023, Stuttgart, 19.09.2023-21.09.2023, 1–10, Deutsche Gesellschaft für Luft- und Raumfahrt (DGLR). doi:10.25967/610505

Reacting Flow Prediction of the Low-Swirl Lifted Flame in an Aeronautical Combustor With Angular Air Supply
Hoffmann, S.; Koch, R.; Bauer, H.-J.
2023. Proceedings of ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition, June 26–30, 2023, Boston, MA, USA. Volume 3B: Combustion, Fuels, and Emissions, Nr. GT2021–103459, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2023-103459

Vibration-Based Wear Condition Estimation of Journal Bearings Using Convolutional Autoencoders
Ates, C.; Höfchen, T.; Witt, M.; Koch, R.; Bauer, H.-J.
2023. Sensors (Basel, Switzerland), 23 (22), 9212. doi:10.3390/s23229212

Similarity-Based Framework for Unsupervised Domain Adaptation: Peer Reviewing Policy for Pseudo-Labeling
Arweiler, J.; Ates, C.; Cerquides, J.; Koch, R.; Bauer, H.-J.
2023. Machine Learning and Knowledge Extraction, 5 (4), 1474–1492. doi:10.3390/make5040074

Modeling Multivariate Spray Characteristics with Gaussian Mixture Models
Wicker, M.; Ates, C.; Okraschevski, M.; Holz, S.; Koch, R.; Bauer, H.-J.
2023. Energies, 16 (19), Art.-Nr.: 6818. doi:10.3390/en16196818

Model Predictive Evolutionary Temperature Control via Neural-Network-Based Digital Twins
Ates, C.; Bicat, D.; Yankov, R.; Arweiler, J.; Koch, R.; Bauer, H.-J.
2023. Algorithms, 16 (8), Art.-Nr.: 387. doi:10.3390/a16080387

A Numerical Study of Aero Engine Sub-idle Operation: From a Realistic Representation of Spray Injection to Detailed Chemistry LES-CMC
Okraschevski, M.; Mesquita, L. C. C.; Koch, R.; Mastorakos, E.; Bauer, H.-J.
2023. Flow, Turbulence and Combustion, 111 (2), 493–530. doi:10.1007/s10494-023-00443-0

Secondary Motion of Non-Spherical Particles in Gas Solid Flows
Ates, C.; Arweiler, J.; Hadad, H.; Koch, R.; Bauer, H.-J.
2023. Processes, 11 (5), Artkl.Nr.: 1369. doi:10.3390/pr11051369

Characterization of flow-blurring atomization with Smoothed Particle Hydrodynamics (SPH)
Ates, C.; Gundogdu, C.; Okraschevski, M.; Bürkle, N.; Koch, R.; Bauer, H.-J.
2023. International Journal of Multiphase Flow, 164, Art.-Nr.: 104442. doi:10.1016/j.ijmultiphaseflow.2023.104442

Deposit formation from evaporating urea-water droplets on substrates of different wettability
Schumacher, O.; Ates, C.; Börnhorst, M.; Koch, R.; Stephan, P.
2023. Journal of Colloid and Interface Science, 634, 1–13. doi:10.1016/j.jcis.2022.12.021

Conditional Generative Adversarial Networks for modelling fuel sprays
Ates, C.; Karwan, F.; Okraschevski, M.; Koch, R.; Bauer, H.-J.
2023. Energy and AI, 12, 100216. doi:10.1016/j.egyai.2022.100216

A Novel LES Perspective on SPH & The Issue of Particle Duality
Okraschevski, M.; Bürkle, N.; Koch, R.; Bauer, H.-J.
2022, Juli 6. 16th International SPHERIC Workshop (2022), Catania, Italien, 7.–9. Juni 2022

Thin Film Flow Dynamics in Gas-Liquid Contact Reactors
Ates, C.; Muthukumar, K. V.; Okraschevski, M.; Bürkle, N.; Aguirre Bermudez, D. M.; Haber, M.; Koch, R.; Bauer, H.-J.
2022. International SPHERIC Workshop 2022

Smoothed particle hydrodynamics physically reconsidered: The relation to explicit large eddy simulation and the issue of particle duality
Okraschevski, M.; Buerkle, N.; Koch, R.; Bauer, H.-J.
2022. Physics of Fluids, 34 (11), Artkl.Nr.: 115108. doi:10.1063/5.0105104

3D Predictions of the Primary Breakup of Fuel in Spray Nozzles for Aero Engines
Dauch, T. F.; Chaussonnet, G.; Keller, M. C.; Okraschevski, M.; Ates, C.; Koch, R.; Bauer, H.-J.
2022. W. E. Nagel, D. H. Kröner & M. M. Resch (Hrsg.), High Performance Computing in Science and Engineering ’20 Hrsg.: Nagel, Wolfgang E.; Kröner, Dietmar H.; Resch, Michael M., 419–433, Springer. doi:10.1007/978-3-030-80602-6_27

Numerische Untersuchung der Spraydispersion eines luftgestützten Kraftstoffzerstäubers in Flugtriebwerken
Bürkle, N.; Holz, S.; Bärow, E.; Koch, R.; Bauer, H.-J.
2021. 70. Deutscher Luft- und Raumfahrtkongress (DLRK 2021), Bremen, Deutschland, 31. August–2. September 2021

Effect of Droplet Starting Conditions on the Spray Dispersion Resulting From a Swirl Cup Injector
Bürkle, N.; Holz, S.; Bärow, E.; Koch, R.; Bauer, H.-J.
2021, Juni 11. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition (GT 2021), Online, 7.–11. Juni 2021

Numerical Investigation of the Low-Swirl Flow in an Aeronautical Combustor With Angular Air Supply
Hoffmann, S.; Koch, R.; Bauer, H.-J.
2021, Juni 11. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition (GT 2021), Online, 7.–11. Juni 2021

Numerische Untersuchung der Spraydispersion eines luftgestützten Kraftstoffzerstäubers in Flugtriebwerken
Bürkle, N.; Holz, S.; Bärow, E.; Koch, R.; Bauer, H.-J.
2021. Deutscher Luft- und Raumfahrtkongress (DLRK 2021), 16 S., Deutsche Gesellschaft für Luft- und Raumfahrt (DGLR). doi:10.25967/550309

Effect of Droplet Starting Conditions on the Spray Dispersion Resulting From a Swirl Cup Injector
Bürkle, N.; Holz, S.; Bärow, E.; Koch, R.; Bauer, H.-J.
2021. ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition ; Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2021-58338

Numerical Investigation of the Low-Swirl Flow in an Aeronautical Combustor With Angular Air Supply
Hoffmann, S.; Koch, R.; Bauer, H.-J.
2021. Proceedings of ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition, June 7–11, 2021, Virtual, Online. Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, Nr. GT2021–59286, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2021-59286

Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement
Shamma, M.; Hoffmann, S.; Harth, S. R.; Zarzalis, N.; Trimis, D.; Koch, R.; Bauer, H.-J.; Langone, L.; Galeotti, S.; Andreini, A.
2021. Proceedings of ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition Volume 3B : ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021June 7-11, 2021, Virtual, Online, Art.-Nr. V03BT04A020, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2021-59941

Analysis of the Backflow Recirculation in Flow Blurring Nozzles via Lagrangian Coherent Structures
Ates, C.; Giovannoni, V.; Bürkle, N.; Keller, M.; Okraschevski, M.; Koch, R.; Bauer, H.-J.
2021. ICLASS 2021, 15th, Triennial International Conference on Liquid Atomization and Spray Systems, Edinburgh, UK, 30 Aug. - 2 Sept. 2021

Best Architecture of an Artificial Neural Network to Model Prefilming Airblast Atomization: Not So Deep Learning
Chaussonnet, G.; Gepperth, S.; Holz, S.; Koch, R.; Bauer, H.-J.
2021. Journal of engineering for gas turbines and power, 143 (7), Art.-Nr. 071006. doi:10.1115/1.4049911

Fluid dynamics beyond the continuum: A physical perspective on large-eddy simulation
Okraschevski, M.; Hoffmann, S.; Stichling, K.; Koch, R.; Bauer, H.-J.
2021. Physical review fluids, 6 (10), Article: L102601. doi:10.1103/PhysRevFluids.6.L102601

Euler–Lagrangian simulation of the fuel spray of a planar prefilming airblast atomizer
Hoffmann, S.; Holz, S.; Koch, R.; Bauer, H.-J.
2021. CEAS Aeronautical Journal, 12 (2), 245–259. doi:10.1007/s13272-021-00493-y

Implicit molecular stresses in weakly compressible particle-based discretization methods for fluid flow
Okraschevski, M.; Buerkle, N.; Koch, R.; Bauer, H.-J.
2021. Physical review / E, 103 (3), 033304. doi:10.1103/PhysRevE.103.033304

Insights into the evaporation characteristics of saliva droplets and aerosols: Levitation experiments and numerical modeling
Lieber, C.; Melekidis, S.; Koch, R.; Bauer, H.-J.
2021. Journal of aerosol science, 154, Art.-Nr. 105760. doi:10.1016/j.jaerosci.2021.105760

Morphological characterization of urea derived deposits in SCR systems
Ates, C.; Börnhorst, M.; Koch, R.; Eck, M.; Deutschmann, O.; Bauer, H.-J.
2021. The chemical engineering journal, 409, 128230. doi:10.1016/j.cej.2020.128230

Smoothed particle hydrodynamics simulation of high velocity impact dynamics of molten sand particles
Chaussonnet, G.; Bravo, L.; Flatau, A.; Koch, R.; Bauer, H.-J.
2020. Energies, 13 (19), Art.-Nr.: 5134. doi:10.3390/en13195134

Modeling the Formation of Urea-Water Sprays from an Air-Assisted Nozzle
Frühhaber, J.; Lieber, C.; Mattes, D.; Lauer, T.; Koch, R.; Bauer, H.-J.
2020. Applied Sciences, 10 (16), Article no: 5723. doi:10.3390/app10165723

Liquid compound refractive X-ray lens
Last, A.; Gutekunst, J.; Opolka, A.; Krug, M.; Schwitzke, C.; Koch, R.; Mohr, J.
2020. Optics express, 28 (15), 22144–22150. doi:10.1364/OE.389058

Progress in the Smoothed Particle Hydrodynamics Method to Simulate and Post-process Numerical Simulations of Annular Airblast Atomizers
Chaussonnet, G.; Dauch, T.; Keller, M.; Okraschevski, M.; Ates, C.; Schwitzke, C.; Koch, R.; Bauer, H.-J.
2020. Flow, turbulence and combustion, 105, 1119–1147. doi:10.1007/s10494-020-00174-6

Spray evaporation of urea–water solution: Experiments and modelling
Lieber, C.; Koch, R.; Bauer, H.-J.
2020. Experimental thermal and fluid science, 116, Article: 110108. doi:10.1016/j.expthermflusci.2020.110108

Air-Assisted Atomization at Constant Mass and Momentum Flow Rate: Investigation into the Ambient Pressure Influence With the Smoothed Particle Hydrodynamics Method
Chaussonnet, G.; Joshi, S.; Wachter, S.; Koch, R.; Jakobs, T.; Kolb, T.; Bauer, H.-J.
2020. Journal of engineering for gas turbines and power, 142 (3), Art.Nr. 031019. doi:10.1115/1.4044968

Influence of the ambient pressure on the liquid accumulation and on the primary spray in prefilming airblast atomization
Chaussonnet, G.; Gepperth, S.; Holz, S.; Koch, R.; Bauer, H. J.
2020. International journal of multiphase flow, 125, 103229. doi:10.1016/j.ijmultiphaseflow.2020.103229

A Holistic View on Urea Injection for NOx Emission Control: Impingement, Re-atomization, and Deposit Formation
Dörnhöfer, J.; Börnhorst, M.; Ates, C.; Samkhaniani, N.; Pfeil, J.; Wörner, M.; Koch, R.; Bauer, H.-J.; Deutschmann, O.; Frohnapfel, B.; Koch, T.
2020. Emission control science and technology, 6, 228–243. doi:10.1007/s40825-019-00151-0

A Holistic View on Urea Injection for NOxEmission Control: Impingement, Reatomization and Deposit Formation
Börnhorst, M.; Dörnhöfer, J.; Ates, C.; Samkhaniani, N.; Pfeil, J.; Wörner, M.; Koch, R.; Bauer, H.-J.; Deutschmann, O.; Frohnapfel, B.; Koch, T.
2019, September. 6th International Symposium on Modeling of Exhaust-Gas After-Treatment (MODEGAT VI 2019), Bad Herrenalb, Deutschland, 8.–10. September 2019

Analysis of an acoustic levitator flow field using Particle Shadow Velocimetry
Lebanoff, A.; Schönewolf, K.; Autenrieth, S.; Lieber, C.; Koch, R.; Bauer, H.-J.
2019. 72nd Annual Meeting of the APS Division of Fluid Dynamics (2019), Seattle, WA, USA, 23.–26. November 2019

Euler-Lagrange Simulationen des Kraftstoffsprays eines ebenen Filmlegers
Hoffmann, S.; Holz, S.; Koch, R.; Bauer, H.-J.
2019, Oktober 1. Deutscher Luft- und Raumfahrtkongress (DLRK 2019), Darmstadt, Deutschland, 30. September–2. Oktober 2019

Experimental validation of evaporating urea-water sprays at elevated temperature and pressure
Lieber, C.; Koch, R.; Bauer, H.-J.
2019. 6th International Symposium on Modeling of Exhaust-Gas After-Treatment (MODEGAT VI 2019), Bad Herrenalb, Deutschland, 8.–10. September 2019

Experiments of evaporating urea-water sprays for the validation of SCR-systems
Lieber, C.; Koch, R.; Bauer, H.-J.
2019. 5th International FEV Conference Diesel Powertrains 3.0 (2019), Rouen, Frankreich, 2.–3. Juli 2019

Influence of Spectral Particle Properties on Radiative Heat Transfer in Combusting Systems
Ates, C.; Koch, R.; Bauer, H.-J.
2019, Mai 6. 17th International Conference on Numerical Combustion (2019), Aachen, Deutschland, 6.–8. Mai 2019

Towards DeepSpray: Using Convolutional Neural Network to post-process Shadowgraphy Images of Liquid Atomization
Chaussonnet, G.; Lieber, C.; Yikang, Y.; Gu, W.; Bartschat, A.; Reischl, M.; Koch, R.; Mikut, R.; Bauer, H.-J.
2019. doi:10.5445/IR/1000097897/v3

Progress in the Smoothed Particle Hydrodynamics method to simulate and post-process spray generation
Chaussonnet, G.; Dauch, T.; Keller, M.; Okraschevski, M.; Ates, C.; Schwitzke, C.; Koch, R.; Bauer, H.-J.
2019. 10th International Conference on Multiphase Flow, Rio de Janeiro, BR, May 19-24, 2019

Air-Assisted Atomization at Constant Mass and Momentum Flow Rate: Investigation of the Ambient Pressure Influence with the SPH Method
Chaussonnet, G.; Joshi, S.; Wachter, S.; Koch, R.; Jakobs, T.; Kolb, T.; Bauer, H.-J.
2019. Proceedings of the ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition (GT2019), The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2019-90372

Spray Evaporation of Urea-Water-Solution: Experiments and Modelling [in press]
Lieber, C.; Koch, R.; Bauer, H.-J.
2019. Proceedings of the 11th Mediterranean Combustion Symposium, Tenerife, Spain, 16 - 20 June 2019

Analyzing Primary Breakup in Fuel Spray Nozzles by Means of Lagrangian-Coherent Structures
Dauch, T. F.; Ates, C.; Rapp, T.; Keller, M. C.; Chaussonnet, G.; Kaden, J.; Okraschevski, M.; Koch, R.; Dachsbacher, C.; Bauer, H.-J.
2019. Proceedings of the 14th SPHERIC International Workshop, Exeter, UK, June 25-27, 2019, 120–127

Prediction of primary atomization using Smoothed Particle Hydrodynamics
Koch, R.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T.; Bauer, H.-J.
2019. Open Archives of the 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC), Honolulu, , Hawaii, 10-15 April 2016, 75 S

Microscopic Imaging Spray Diagnostics under High Temperature Conditions: Application to Urea–Water Sprays
Lieber, C.; Koch, R.; Bauer, H.-J.
2019. Applied Sciences, 9 (20), 4403. doi:10.3390/app9204403

Close Nozzle Spray Characteristics of a Prefilming Airblast Atomizer
Holz, S.; Braun, S.; Chaussonnet, G.; Koch, R.; Bauer, H.-J.
2019. Energies, 12 (14), 2835. doi:10.3390/en12142835

Analyzing the Interaction of Vortex and Gas–Liquid Interface Dynamics in Fuel Spray Nozzles by Means of Lagrangian-Coherent Structures (2D)
Dauch, T. F.; Ates, C.; Rapp, T.; Keller, M. C.; Chaussonnet, G.; Kaden, J.; Okraschevski, M.; Koch, R.; Dachsbacher, C.; Bauer, H.-J.
2019. Energies, 12 (13), Article: 2552. doi:10.3390/en12132552

Smoothed Particle Hydrodynamics Simulation of Oil-jet Gear Interaction
Keller, M. C.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T. F.; Koch, R.; Schwitzke, C.; Bauer, H.-J.
2019. Journal of tribology, 141 (7), Art.-Nr. 071703. doi:10.1115/1.4043640

Numerical prediction of air-assisted primary atomization using Smoothed Particle Hydrodynamics
Braun, S.; Wieth, L.; Holz, S.; Dauch, T. F.; Keller, M. C.; Chaussonnet, G.; Gepperth, S.; Koch, R.; Bauer, H.-J.
2019. International journal of multiphase flow, 114, 303–315. doi:10.1016/j.ijmultiphaseflow.2019.03.008

Toward the development of a virtual spray test-rig using the Smoothed Particle Hydrodynamics method
Chaussonnet, G.; Braun, S.; Dauch, T.; Keller, M.; Sänger, A.; Jakobs, T.; Koch, R.; Kolb, T.; Bauer, H.-J.
2019. Computers & fluids, 180, 68–81. doi:10.1016/j.compfluid.2019.01.010

Application of the SPH Method to Predict Primary Breakup in Complex Geometries
Chaussonnet, G.; Dauch, T.; Braun, S.; Keller, M.; Kaden, J.; Schwitzke, C.; Jakobs, T.; Koch, R.; Bauer, H.-J.
2019. High Performance Computing in Science and Engineering ’ 18 – Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2018. Ed.: W. Nagel, 309–322, Springer International Publishing. doi:10.1007/978-3-030-13325-2_19

Development of a Second-Order Corrector for an Accurate Laplacian Operator in SPH
Wirth, M.; Chaussonnet, G.; Koch, R.; Bauer, H.-J.
2018. Deutscher Luft- und Raumfahrtkongress - Luft- und Raumfahrt – Digitalisierung und Vernetzung (DGLR), Friedrichshafen, Germany, 4. - 6. September 2018

New Insights in the Primary Breakup Process of Prefilming Airblast Atomizers by SPH Predictions
Holz, S.; Braun, S.; Chaussonnet, G.; Dauch, T.; Kaden, J.; Keller, M.; Schwitzke, C.; Koch, R.; Bauer, H.-J.
2018. ICLASS 2018: 14th International Conference on Liquid Atomization and Spray Systems, Chicago, Ill, July 22-26, 2018, ILASS-Americas

Investigation of the liquid accumulation characteristics in planar prefilming airblast atomization
Chaussonnet, G.; Laroche, T.; Lieber, C.; Holz, S.; Koch, R.; Bauer, H.-J.
2018. Proceedings of the 14th International Conference on Liquid Atomization & Spray Systems (ICLASS2018), Chicago, IL, July 22-26, 2018

Three-dimensional SPH simulation of a twin-fluid atomizer operating at high pressure [in press]
Chaussonnet, G.; Braun, S.; Dauch, T.; Keller, M.; Kaden, J.; Jakobs, T.; Schwitzke, C.; Koch, R.; Bauer, H.-J.
2018. Proceedings of the 14th International Conference on Liquid Atomization & Spray Systems (ICLASS2018), Chicago, IL, July 22-26, 2018

Highly efficient computation of Finite-Time Lyapunov Exponents (FTLE) on GPUs based on three-dimensional SPH datasets
Dauch, T. F.; Rapp, T.; Chaussonnet, G.; Braun, S.; Keller, M. C.; Kaden, J.; Koch, R.; Dachsbacher, C.; Bauer, H.-J.
2018. Computers & fluids, 175, 129–141. doi:10.1016/j.compfluid.2018.07.015

Smoothed Particle Hydrodynamics Simulation of an Air-Assisted Atomizer Operating at High Pressure: Influence of Non-Newtonian Effects
Chaussonnet, G.; Koch, R.; Bauer, H.-J.; Sänger, A.; Jakobs, T.; Kolb, T.
2018. Journal of fluids engineering, 140 (6), Art. Nr.: 061301. doi:10.1115/1.4038753

Heißere Verbrennung, weniger Rußpartikel - Auch Flugzeugturbinen müssen immer strengere Abgasnormen einhalten - Campusreport am 12.12.2017
Fuchs, S.; Koch, R.
2017. doi:10.5445/DIVA/2017-798

Smoothed Particle Hydrodynamics Simulation of Oil-Jet Gear Interaction
Keller, M. C.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T. F.; Koch, R.; Schwitzke, C.; Bauer, H.-J.
2017. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition (GT 2017), Charlotte, NC, USA, 26.–30. Juni 2017

Short Helical Combustor: Flow Control in a Combustion System With Angular Air Supply
Ariatabar, B.; Koch, R.; Bauer, H.-J.
2017. ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Charlotte, North Carolina, USA, June 26–30, 2017. Vol.: 4A, V04AT04A001, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2017-63037

SPH Simulation of an Air-Assisted Atomizer Operating at High Pressure : Influence of Non-Newtonian Effects
Chaussonnet, G.; Koch, R.; Bauer, H.-J.; Sänger, A.; Jakobs, T.; Kolb, T.
2017. Proceedings of ASME Turbo Expo 2017 : Turbomachinery Technical Conference & Exposition, Volume 3 : Coal, Biomass and Alternative Fuels, Cycle Innovations; Electric Power, Industrial and Cogeneration Applications, Organic Rankine Cycle Power Systems, Charlotte, North Carolina, USA, 26th - 30th June 2017, Art.Nr. GT2017–63033, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2017-63033

Computational Prediction of Primary Breakup in Fuel Spray Nozzles for Aero-Engine Combustors
Dauch, T. F.; Braun, S.; Wieth, L.; Chaussonnet, G.; Keller, M. C.; Koch, R.; Bauer, H.-J.
2017. ILASS 2017 : 28th European Conference on Liquid Atomization and Spray Systems, Valencia, Spain, 6th - 8th September 2017, Editorial Universidad Politècnica de València (Editorial UPV). doi:10.4995/ILASS2017.2017.4693

Smoothed Particle Hydrodynamics Simulation of Oil-Jet Gear Interaction
Keller, M. C.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T. F.; Koch, R.; Schwitzke, C.; Bauer, H.-J.
2017. Proceedings of ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition : Volume 2B - Turbomachinery, Charlotte, North Carolina, USA, 26th - 30th June 2017, Art.Nr. GT2017–63594, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2017-63594

Time-Response of Recent Prefilming Airblast Atomization Models in an Oscillating Air Flow Field
Chaussonnet, G.; Müller, A.; Holz, S.; Koch, R.; Bauer, H.-J.
2017. Proceedings of ASME Turbo Expo 2017 : Turbomachinery Technical Conference & Exposition, Volume 4 A : Combustion, Fuels and Emissions, Charlotte, North Carolina, USA, 26th - 30th June 2017, Art.Nr. GT2017–63041, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2017-63041

Preprocessing Workflow for the Initialization of SPH Predictions based on Arbitrary CAD Models
Dauch, T. F.; Okraschevski, M.; Keller, M. C.; Braun, S.; Wieth, L.; Chaussonnet, G.; Koch, R.; Bauer, H.-J.
2017. 12th International SPHERIC Workshop, Universidade de Vigo, Ourense, Spain, 13th - 15th June 2017

Short Helical Combustor : Flow Control in a Combustion System With Angular Air Supply
Ariatabar, B.; Koch, R.; Bauer, H.-J.
2017. Journal of engineering for gas turbines and power, 140 (3), 031507/1–6. doi:10.1115/1.4037961

Smoothed Particle Hydrodynamics for Numerical Predictions of Primary Atomization
Braun, S.; Koch, R.; Bauer, H.-J.
2017. Innovatives Supercomputing in Deutschland, 15 (1), 56–60

Time-Response of Recent Prefilming Airblast Atomization Models in an Oscillating Air Flow Field
Chaussonnet, G.; Müller, A.; Holz, S.; Koch, R.; Bauer, H.-J.
2017. Journal of engineering for gas turbines and power, 139 (12), Art. Nr. 121501. doi:10.1115/1.4037325

Experimental and numerical investigation of the primary breakup of an airblasted liquid sheet
Warncke, K.; Gepperth, S.; Sauer, B.; Sadiki, A.; Janicka, J. E.; Koch, R.; Bauer, H. J.
2017. International journal of multiphase flow, 91, 208–224. doi:10.1016/j.ijmultiphaseflow.2016.12.010

Prediction of primary atomization using Smoothed Particle Hydrodynamics
Koch, R.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T.; Bauer, H.-J.
2017. European journal of mechanics / B, 61 (Part 2), 271–278. doi:10.1016/j.euromechflu.2016.10.007

Modeling of the deformation dynamics of single and twin fluid droplets exposed to aerodynamic loads and Smoothed Particle Hydrodynamics for Numerical Predictions of Primary Atomization
Wieth, L.; Braun, S.; Chaussonnet, G.; Dauch, T. F.; Keller, M.; Höfler, C.; Koch, R.; Bauer, H.-J.
2016. High Performance Computing in Science & Engineering : 19th Results and Review Workshop of the HLRS, Stuttgart, Germany, 13th - 14th October 2016

Numerical Modeling of Oil-Jet Lubrication for Spur Gears using Smoothed Particle Hydrodynamics
Keller, M. C.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T.; Koch, R.; Höfler, C.; Bauer, H.-J.
2016. 11th International SPHERIC Workshop, Munich, Germany, 13th - 16th June 2016

Smoothed Particle Hydrodynamics for Numerical Predictions of Primary Atomization
Braun, S.; Koch, R.; Bauer, H.-J.
2016. High Performance Computing in Science & Engineering : 19th Results and Review Workshop of the HLRS, Stuttgart, Germany, 13.-14. October 2016

Comparison of the Primary Atomization Model PAMELA with Drop Size Distributions of an Industrial Prefilming Airblast Nozzle
Holz, S.; Chaussonnet, G.; Gepperth, S.; Koch, R.; Bauer, H.-J.
2016. 27th Annual Conference on Liquid Atomization and Spray Systems, ILASS-Europe, Brighton, Great Britain, 4th - 7th September 2016

Smoothed Particle Hydrodynamics for Numerical Predictions of Primary Atomization
Braun, S.; Koch, R.; Bauer, H.-J.
2016. High Performance Computing in Science and Engineering ’16 - Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2016. Ed.: W. Nagel, 321–336, Springer-Verlag. doi:10.1007/978-3-319-47066-5_22

HPC Predictions of Primary Atomization with SPH: Challenges and Lessons Learned
Braun, S.; Wieth, L.; Dauch, T.; Keller, M. C.; Chaussonnet, G.; Höfler, C.; Koch, R.; Bauer, H.-J.
2016. 11th International SPHERIC Workshop (SPHERIC 2016), München, 13.-16. Juni 2016

Modeling of the Deformation Dynamics of Single and Twin Fluid Droplets Exposed to Aerodynamic Loads
Wieth, L.; Braun, S.; Chaussonnet, G.; Dauch, T. F.; Keller, M.; Höfler, C.; Koch, R.; Bauer, H.-J.
2016. High Performance Computing in Science and Engineering ’16 - Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2016. Ed.: W. Nagel, 301–320, Springer-Verlag. doi:10.1007/978-3-319-47066-5_21

Numerical Modeling of Oil-Jet Lubrication for Spur Gears using Smoothed Particle Hydrodynamics
Keller, M. C.; Braun, S.; Wieth, L.; Chaussonnet, G.; Dauch, T.; Koch, R.; Höfler, C.; Bauer, H.-J.
2016. Proceedings of the 11th International SPHERIC Workshop, Munich, June 13-16, 2016, 69–76

Modeling of the Deformation Dynamics of Single and Twin Fluid Droplets Exposed to Aerodynamic Loads
Wieth, L.; Braun, S.; Chaussonnet, G.; Dauch, T.; Keller, M. C.; Höfler, C.; Koch, R.; Bauer, H.-J.
2016. 27th Annual Conference on Liquid Atomization and Spray Systems, ILASS-Europe, Brighton, GB, September 4 - 7, 2016

Computation of liquid fuel atomization and mixing by means of the SPH method: Application to a jet engine fuel nozzle
Dauch, T.; Braun, S.; Wieth, L.; Chaussonnet, G.; Keller, M.; Koch, R.; Bauer, H.-J.
2016. ASME Turbo Expo 2016 : Turbomachinery Technical Conference and Exposition, Seoul, South Korea, June 13-17, 2016, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2016-56023

Short helical combustor: Dynamic flow analysis in a combustion system with angular air supply
Ariatabar, B.; Koch, R.; Bauer, H.-J.
2016. ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition, Seoul; South Korea, June 13-17, 2016, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2016-56046

Short Helical Combustor: Concept Study of an Innovative Gas Turbine Combustor with Angular Air Supply
Ariatabar, B.; Koch, R.; Bauer, H.-J.; Negulescu, D.-A.
2016. Journal of engineering for gas turbines and power, 138 (3), Art. Nr.: 031503. doi:10.1115/1.4031362

Smoothed Particle Hydrodynamics (SPH) simulation of a high-pressure homogenization process
Wieth, L.; Kelemen, K.; Braun, S.; Koch, R.; Bauer, H. J.; Schuchmann, H. P.
2016. Microfluidics and nanofluidics, 20 (2), 42. doi:10.1007/s10404-016-1705-6

Short Helical Combustor: Dynamic Flow Analysis in a Combustion System With Angular Air Supply
Ariatabar, B.; Koch, R.; Bauer, H.-J.
2016. Journal of engineering for gas turbines and power, 139 (4), Art.Nr.: 041505. doi:10.1115/1.4034688

Development of an Annular Combustor with Helical Arrangement of the Flames
Ariatabar, B.; Koch, R.; Bauer, H.-J.
2015. Forschungsvereinigung Verbrennungskraftmaschinen e.V. (FVV)

Short Helical Combustor: Concept Study of an Innovative Gas Turbine Combustor
Ariatabar, B.; Koch, R.; Bauer, H.-J.
2015. ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, Montreal, Quebec, Canada, 15 - 19, 2015, Montreal, Quebec, Canada. Vol. 4 (Teil A): Combustion, fuels and emissions, V04AT04A071, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2015-42963

SPH Simulation of a Twin-Fluid Atomizer Operating with a High Viscosity Liquid
Chaussonnet, G.; Braun, S.; Wieth, L.; Kolb, T.; Koch, R.; Bauer, H.-J.; Sänger, A.; Jakobs, T.; Djordjevic, N.
2015. 13th Triennial International Conference on Liquid Atomization and Spray Systems (ICLASS 2015), Tainan, TWN, August 23 - 27, 2015. Ed.: T. Lin, 1–8, National Cheng Kung University. doi:10.13140/RG.2.1.4320.7128

Influence of Trailing Edge Height on Primary Atomization : Numerical Studies Applying the Smoothed Particle Hydrodynamics (SPH) Method
Braun, S.; Wieth, L.; Koch, R.; Bauer, H.-J.
2015. ICLASS 2015, 13th Triennial International Conference on Liquid Atomization and Spray Systems, Tainan, Taiwan, 23-27 August 2015, Art. Nr. D1–2

A Framework for Permeable Boundary Conditions in SPH : Inlet, Outlet, Periodicity
Braun, S.; Wieth, L.; Koch, R.; Bauer, H.-J.
2015. Proceedings of the 10th Smoothed Particle Hydrodynamics European Research Interest Community Workshop (SPHERIC 2015), Parma, Italy, 16-18 June 2015, Monte Università Parma Editore

Simulation of Primary Atomization: Assessment of the Smoothed Particle Hydrodynamics (SPH) Method
Braun, S.; Krug, M.; Wieth, L.; Höfler, C.; Koch, R.; Bauer, H.-J.
2015. ICLASS 2015 / 13th International Conference on Liquid Atomization and Spray Systems : August 23-27, 2015, Tainan, Taiwan. Ed.: Ta-Hui Lin

Numerical Modeling of an Aero-Engine Bearing Chamber Using the Meshless Smoothed Particle Hydrodynamics Method
Wieth, L.; Lieber, C.; Kurz, W.; Braun, S.; Koch, R.; Bauer, H.-J.
2015. ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, GT 2015, Montreal, CDN, June 15 - 19, 2015. Vol. 2 B, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2015-42316

On the visualization of droplet deformation and breakup during high-pressure homogenization
Kelemen, K.; Gepperth, S.; Koch, R.; Bauer, H. J.; Schuchmann, H. P.
2015. Microfluidics and nanofluidics, 19 (5), 1139–1158. doi:10.1007/s10404-015-1631-z

Effect of the precessing vortex core on primary atomization
Bärow, E.; Gepperth, S.; Koch, R.; Bauer, H.-J.
2015. Zeitschrift fur Physikalische Chemie, 229 (6), 909–929. doi:10.1515/zpch-2014-0619

Smoothed Particle Hydrodynamics (SPH) simulation of a high-pressure homogenizer
Wieth, L.; Braun, S.; Koch, R.; Bauer, H.-J.; Kelemen, K.; Schuchmann, H. P.
2014. Proceedings of the 9th International Smoothed Particle Hydrodynamics European Research Interest Community Workshop (SPHERIC 2014), 3-5 June 2014, Paris, France. Ed.: D. Violeau, 411–419, INSEAN

Primary atomization of prefilming airblast nozzles : Experimental studies using advanced image processing techniques
Gepperth, S.; Bärow, E.; Koch, R.; Bauer, H.-J.
2014. ILASS Europe, 26th Annual Conference on Liquid Atomization and Spray Systems, Bremen, Germany, 8-10 September 2014

Modeling of liquid-wall interaction using the Smoothed Particle Hydrodynamics (SPH) method
Wieth, L.; Braun, S.; Koch, R.; Bauer, H.-J.
2014. ILASS Europe, 26th Annual Conference on Liquid Atomization and Spray Systems, Bremen, Germany 8-10 September 2014

Modeling Fuel Injection in Gas Turbines Using the Meshless Smoothed Particle Hydrodynamics Method
Braun, S.; Höfler, C.; Koch, R.; Bauer, H.-J.
2013. Proceedings of the ASME Turbo Expo 2013 : Turbine Technical Conference and Exposition, Volume 1A : Combustion, Fuels and Emissions, San Antonio, Texas, USA, 3rd - 7th June 2013, Art.Nr. GT2013–94027, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2013-94027

Analysis and Comparison of Primary Droplet Characteristics in the Near Field of a Prefilming Airblast Atomizer
Gepperth, S.; Koch, R.; Bauer, H.-J.
2013. Proceedings of the ASME Turbo Expo 2013 : Turbine Technical Conference and Exposition, Vol. 1A : Combustion, Fuels and Emissions, San Antonio, Texas, USA, 3rd - 7th June 2013, Art.Nr. GT2013–94033, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2013-94033

Multiphase Flow Simulations Using the Meshfree Smoothed Particle Hydrodynamics Method
Höfler, C.; Braun, S.; Koch, R.; Bauer, H.-J.
2012. 12th Triennial International Conference on Liquid Atomization and Spray Systems, Heidelberg, Germany, September 2-6, 2012 (ICLASS). Hrsg.: E. Gutheil, 1–8, ILASS Europe

Modeling spray formation in gas turbines - A new meshless approach
Höfler, C.; Braun, S.; Koch, R.; Bauer, H.-J.
2012. Proceedings of the ASME Turbo Expo : Turbine Technical Conference and Exposition, GT 2012; Copenhagen; Denmark; 11 June 2012 - 15 June 2012, 371–381, The American Society of Mechanical Engineers (ASME). doi:10.1115/GT2012-68489

Modeling Spray Formation in Gas Turbines : A New Meshless Approach
Hoefler, C.; Braun, S.; Koch, R.; Bauer, H.-J.
2012. Journal of engineering for gas turbines and power, 135 (1), Art. Nr. 011503. doi:10.1115/1.4007378

Verdunstung mit Kristallisation von Einzelpartikeln aus AdBlue
Kontin, S.; Höfler, A.; Koch, R.; Bauer, H.-J.
2011. Motorische Verbrennung - aktuelle Probleme und moderne Lösungsansätze: X. Tagung, München, 24.-25. März 2011. Hrsg.: A. Leipertz, 187–198, ESYTEC

Towards the Numerical Prediction of Primary Atomization Using Smoothed Particle Hydrodynamics
Höfler, C.; Braun, S.; Koch, R.; Bauer, H.-J.
2011. Proceedings of the 24th European Conference on Liquid Atomization and Spray Systems (ILASS’11), Estoril, Portugal, September 5-7, 2011, ILASS-Europe

Model comparison for single droplet fragmentation under varying accelerations
Bartz, F.-O.; Guildenbecher, D. R.; Schmehl, R.; Koch, R.; Bauer, H.-J.; Sojka, P. E.
2011. Proceedings of the 24th European Conference on Liquid Atomization and Spray Systems (ILASS’11), Estoril, Portugal, September 5-7, 2011, ILASS-Europe

Numerical studies of single drop impact onto a plane shallow and deep liquid pool
Peduto, D.; Koch, R.; Morvan, H.; Dullenkopf, K.; Bauer, H.-J.
2011. Proceedings of the 24th European Conference on Liquid Atomization and Spray Systems (ILASS’11), Estoril, Portugal, September 5-7, 2011, ILASS-Europe

Size and Refractive Index Measurements of Inhomogeneous Particles with a Solid Crust by Phase Doppler Anemometry
Kontin, S.; Koch, R.; Bauer, H.-J.
2011. Proceedings of the 24th European Conference on Liquid Atomization and Spray Systems (ILASS’11), Estoril, Portugal, September 5-7, 2011, ILASS-Europe

Entwicklung eines Smoothed Particle Hydrodynamics Codes zur numerischen Berechnung des Primärzerfalls an Brennstoffeinspritzdüsen
Höfler, C.; Koch, R.; Bauer, H.-J.
2010. Deutscher Luft- und Raumfahrtkongress 2010 : Hamburg, 31. August - 2. September 2010 ; Tagungsband, CD-ROM, Deutsche Gesellschaft für Luft- und Raumfahrt (DGLR)

A Finite Element Treatment of the Angular Dependency of the Even-Parity Equation of Radiative Transfer
Becker, R.; Koch, R.; Modest, M.; Bauer, H.-J.
2010. Journal of Heat Transfer, 132 (2), 023404/1–13. doi:10.1115/1.4000233

Effects of Pilot Fuel and Liner Cooling on the Flame Structure in a Full Scale Swirl-Stabilized Combustion Setup
Färber, J.; Koch, R.; Bauer, H.-J.; Hase, M.; Krebs, W.
2010. Journal of Engineering for Gas Turbines and Power, 132 (9), 091501/1–7. doi:10.1115/1.4000588

Droplet Dispersion in an Unsteady Vortex Street
Sinigersky, A.; Kovacs, A.; Koch, R.; Bauer, H.-J.
2009. Verbrennung und Feuerung - Tagung Bochum, 16. und 17. September 2009, 67–72, VDI Verlag

Identification of droplet burning modes in lean, partially prevaporized swirl-stabilized spray flames
Beck, C. H.; Koch, R.; Bauer, H.-J.
2009. Proceedings of the Combustion Institute, 32 (2), 2195–2203

A Novel Calibration Method for an Infrared Thermography System Applied to Heat Transfer Experiments
Ochs, M.; Horbach, T.; Schulz, A.; Koch, R.; Bauer, H.-J.
2009. Measurement Science and Technology, 20 (7), 075103/1–9

Teilprojekt GV 9 - Pilotierte Vormischflammen
Färber, J.; Koch, R.; Bauer, H.-J.
2009. Abschlussbericht Forschungsinitiative "Kraftwerke des 21. Jahrhunderts (KW21)" : 01.07.2004 bis 31.12.2008; Bd. 2, 764–788, Abayfor

Numerical Investigation of the Time Scales of Single Droplet Burning
Beck, C. H.; Koch, R.; Bauer, H.-J.
2008. Flow, Turbulence and Combustion, 82 (4), 571–598

Investigation of the Effect of Incomplete Droplet Prevaporization on NOx Emissions in LDI Combustion Systems
Beck, C.; Koch, R.; Bauer, H.-J.
2008. Journal of Engineering for Gas Turbines and Power, 130 (5), 051504/1–8

Transient effects of single droplet burning
Beck, C.; Koch, R.; Bauer, H.-J.
2007. Proceedings of the 2nd ECCOMAS Thematic Conference on Computational Combustion. Ed.: D. Roekaerts, 1 CD-Rom, TU Delft

Unsteady Flame and Flow Field Interaction of a Premixed Model Gas Turbine Burner
Schildmacher, K.-U.; Hoffmann, A.; Selle, L.; Koch, R.; Schulz, C.; Bauer, H.-J.; Poinsot, T.; Krebs, W.; Prade, B.
2007. Proceedings of the Combustion Institute, 31 (2), 3197–3205

Experimental Characterization of Premixed Flame Instabilities of a Model Gas Turbine Burner
Schildmacher, K.-U.; Koch, R.; Bauer, H.-J.
2006. Flow, Turbulence and Combustion, 76 (2), 177–197

Numerical Simulation of a Precessing Vortex Breakdown
Jochmann, P.; Sinigersky, A.; Hehle, M.; Schäfer, O.; Koch, R.; Bauer, H.-J.
2006. International Journal of Heat and Fluid Flow, 27 (2), 192–203

DNS of droplet-vortex interaction with a Karman vortex street
Burger, M.; Schmehl, R.; Koch, R.; Wittig, S.; Bauer, H.-J.
2006. International journal of heat and fluid flow, 27 (2), 181–191

Zerstäubungsverhalten von Airblastdüsen bei oszillierenden Strömungen
Müller, A.; Hehle, M.; Koch, R.; Bauer, H.-J.
2005. Verbrennung und Feuerung, Tagung Braunschweig, 21. und 22. September 2005, 249–258, VDI Verlag

Analyse der Oszillation eines rapsölbetriebenen Klein-Gasturbinenbrenners
Laza, T.; Penninger, A.; Koch, R.
2005. Verbrennung und Feuerung, Tagung Braunschweig, 21. und 22. September 2005, 673–679, VDI Verlag

Experimental Investigation of the Interaction of Unsteady Flow With Combustion
Schildmacher, K.-U.; Koch, R.
2005. Journal of Engineering for Gas Turbines and Power, 127 (2), 295–300

Predictions of transient fuel spray phenomena in the intake port of a SI-engine
Burger, M.; Schmehl, R.; Koch, R.; Wittig, S.; Bauer, H.-J.
2005. Emission control and fuel economy for port and direct injected SI engines. Ed.: J. H. Johnson, -, Soc. of Automotive Engineers

Modelling of Shear-Driven Liquid Wall Films-Effect of Accelerated Air Flow on the Film Flow Propagation
Ebner, J.; Schober, P.; Schäfer, O.; Koch, R.; Wittig, S.
2004. Progress in Computational Fluid Dynamics, 4 (3/4/5), 183–190

Compressible large eddy simulation of turbulent combustion in complex geometry on unstructured meshes
Selle, L.; Lartigue, G.; Poinsot, T.; Koch, R.; Schildmacher, K.-U.; Krebs, W.; Prade, B.; Kaufmann, P.; Veynante, D.
2004. Combustion and Flame, 137 (4), 489–505

Numerical study of Strouhal instabilities in two-phase flows
Burger, M.; Schmehl, R.; Schäfer, O.; Koch, R.; Wittig, S.
2003. Proceedings / ICLASS 2003. 9th International Conference on Liquid Atomization and Spray Systems, Sorrento 2003, CD-ROM

Droplet evaporation modeling by the distillation curve model: accounting for kerosene fuel and elevated pressures
Burger, M.; Prommersberger, K.; Schäfer, O.; Koch, R.; Wittig, S.
2003. International journal of heat and mass transfer, 46 (23), 4403–4412

A multi-component droplet evaporation model for real aviation fuels at elevated pressures
Burger, M.; Schmehl, R.; Prommersberger, K.; Schäfer, O.; Koch, R.; Wittig, S.
2002. ILASS Europe 2002. 18th Annual Conference on Liquid Atomization and Spray Systems, Zaragoza, Spanien 2002, CD-ROM

A combined Eulerian and Lagrangian method for prediction of evaporating sprays
Burger, M.; Klose, G.; Rottenkolber, G.; Schmehl, R.; Giebert, D.; Schäfer, O.; Koch, R.; Wittig, S.
2002. Journal of engineering for gas turbines and power, 124 (3), 481–488

Experimental investigation of unsteady flow phenomena in high intense combustion systems
Schildmacher, K.-U.; Koch, R.; Wittig, S.
2002. In: 6th European Conference on Industrial Furnaces and Boilers, INFUB, Estoril, Portugal 2002

Evaluation of advanced two-phase flow and combustion models for predicting low emission combustors
Klose, G.; Schmehl, R.; Meier, R.; Maier, G.; Koch, R.; Wittig, S.; Hettel, M.; Leuckel, W.; Zarzalis, N.
2001. Journal of engineering for gas turbines and power, 123 (4), 817–823

Comparison of state of the art droplet-turbulence interaction models for jet engine combustor conditions
Klose, G.; Rembold, B.; Koch, R.; Wittig, S.
2001. International journal of heat and fluid flow, 22 (3), 343–349

A conservation-based discretization approach for conjugate heat transfer calculations in hot-gas ducting turbomachinery components
Papanicolaou, E.; Giebert, D.; Koch, R.; Schulz, A.
2001. International Journal of Heat and Mass Transfer, 44 (18), 3413–3429

Flashback in lean prevaporized premixed combustion: non-swirling turbulent pipe flow study
Schaefer, O.; Koch, R.; Wittig, S.
2001. In: Proceedings of the 46th ASME Turbo Expo, New Orleans, La. 2001. (ASME paper. 2001-GT-19052.)

Experimental and numerical investigation of the autoignition of fuel sprays of preheated flows
Cano-Wolff, M.; Koch, R.; Wittig, S.
2001. In: Verbrennung und Feuerungen. 20. Deutscher Flammentag, Essen 2001. Düsseldorf 2001. S. 301-306. (VDI-Berichte. 1629.)

Berechnungsverfahren für den Strahlungswärmeübergang in Brennkammern
Koch, R.; Ganz, B.; Wittig, S.
2001. In: 15. Tecflam-Seminar, 16. November 2000

A combined eulerian and lagrangian method for prediction of evaporating sprays
Burger, M.; Klose, G.; Schmehl, R.; Giebert, D.; Koch, R.; Wittig, S.
2001. In: Proceedings of the 46th ASME Turbo Expo, New Orleans, La. 2001. (ASME paper. 2001-GT-19046.)

Evaluation of advanced two-phase flow and combustion models for predicting low emission combustors
Klose, G.; Schmehl, R.; Meier, R.; Maier, G.; Koch, R.; Wittig, S.; Hettel, M.; Leuckel, W.; Zarzalis, N.
2000. 2000. (ASME paper. 2000-GT-0133.)

Experimental investigations of the temporal air-fuel mixing fluctuations and cold flow instabilities of a premixing gas turbine burner
Schildmacher, K.-U.; Koch, R.; Wittig, S.; Krebs, W.; Hoffmann, S.
2000. In: 45th ASME International Gas Turbine Aeroengine Technical Congress, Munich, Germany 2000

Comparison of state of the art droplet-turbulence interaction models for aero-engine combustor engines
Klose, G.; Rembold, B.; Koch, R.; Wittig, S.
2000. In: Proceedings of the 3rd International Symposium on Turbulence, Heat and Mass Transfer, Nagoya, Japan 2000. Vol. 3. S. 763-770

Measurements of the periodic flow of an enclosed lean premixed prevaporized stagnation flame
Schaefer, O.; Koch, R.; Wittig, S.
2000. In: 10th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisboa 2000

Flammenrückschlag - eine Instabilität in LPP-Brennkammern
Schaefer, O.; Koch, R.; Wittig, S.
2000. In: Fachausschußseminar des DGLR Fachausschusses T3 "Antriebe", Aachen 2000

Droplet evaporation and transport. Applied CFD, Task 1, BRITE/EURAM Low Nox Phase II Report
Klose, G.; Koch, R.; Wittig, S.
1999. Karlsruhe : Inst. f. Therm. Strömungsmasch. 1999

Konzeption und Optimierung einer schadstoffarmen Kesselfeuerung
Eigenmann, L.; Freund, E.; Koch, R.; Schmidt, T.; Wittig, S.
1999. Wärmetech. - Versorgungstech. 1999 H. 1 S. 35-39

Aufbau eines Filtermessverfahrens zur Untersuchung der Rußbildung in Gasturbinenbrennkammern
Murst, M.; Kellerer, H.; Prommersberger, K.; Koch, R.; Wittig, S.
1999. DGLR 1999

Experimentelle und numerische Untersuchungen zum Strahlungswärmeaustausch am TECFLAM-Drallbrenner
Koch, R.; Ganz, B.; Schmittel, P.; Wittig, S.
1999. In: 14. TECFLAM-Seminar, CRAY TECFLAM Abschlusskolloquium, Darmstadt 1999

Prediction of a spray diffusion flame by a probability density function approach
Eigenmann, L.; Meisl, J.; Koch, R.; Wittig, S.
1999. In: 14th Computation Fluid Dynamics Conference, Norfolk, Va. 1999. Pap. AIAA-99-3370

Schadstoffarme Kesselfeuerung für industrielle Wärmeprozesse und Heizkraftwerke. Abschlußbericht zum BMFT-Vorhaben 0326816, TECFLAM III, Universität Karlsruhe
Eigenmann, L.; Freund, E.; Koch, R.; Wittig, S.
1998. Karlsruhe 1998

Exploiting the flexibility of unstructured grids for computing complex flow patterns more precisely
Rexroth, C.-H.; Giebert, D.; Koch, R.; Wittig, S.
1998. Int. j. of heat and fluid flow 19 (1998) S. 439-445

A discretization approach for conjugate heat transfer and application to turbomachinery flows
Papanikolaou, E.; Giebert, D.; Koch, R.; Schulz, A.
1998. Proc. of the ASME Heat Transfer Div. 3 (1998) S. 349-362

Numerical simulation of the two phase flow in a premix duct of a gas turbine combustor
Schmehl, R.; Koch, R.; Wittig, S.
1998. In: Abstract in high performance scientific supercomputing. Ed.: W. Juling. Karlsruhe : Sci. Supercomput. Center (SSC) 1998

Comparison of polydesperse spray simulations using the Eulerian and the Lagrangian approach
Klose, G.; Koch, R.; Wittig, S.
1998. In: Abstract in high performance scientific supercomputing. Ed.: W. Juling. Karlsruhe : Sci. Supercomput. Center (SSC) 1998

Effects of non-diffusive reflecting walls on radiative heat transfer in gas turbine combustors
Hirt, M.; Ganz, B.; Koch, R.; Wittig, S.
1998. In: Proceedings of the Eurotherm Seminar No. 56 "Heat Transfer in Radiating and Combustion Systems-3", Delphi, Greece 1998

Evaluation of advanced low-Reynolds number k-epsilon turbulence models for predicting convective heat transfer
Giebert, D.; Koch, R.; Schulz, A.; Wittig, S.
1998. In: Turbulent Heat Transfer II, Manchester, UK 1998

Timeresolved spectral radiation and acoustic measurements of a confined turbulent natural gas diffusion flame
Ganz, B.; Schmittel, P.; Koch, R.; Wittig, S.; Leuckel, W.
1998. In: 27th International Symposium on Combustion, Boulder, Colo. 1998

Validation of numerical methods at a confined turbulent natural gas diffusion flame considering detailed radiative transfer
Ganz, B.; Schmittel, P.; Koch, R.; Wittig, S.
1998. In: International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden 1998. S. 87-94

Spectral emissivity measurements of thermal barrier coatings
Ganz, B.; Krebs, W.; Koch, R.; Wittig, S.
1998. In: 7th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, Albuquerque, NM 1998

The influence of evaporation on the autoignition-delay of n-heptane air mixtures under gas turbine conditions
Cano-Wolff, M.; Meisl, J.; Koch, R.; Wittig, S.
1998. In: 27th International Symposium on Combustion, Univ. of Boulder, Colo. 1998

Exploiting the adaptivity of unstructured grids to compute complex flow patterns more precisely
Rexroth, C.-H.; Koch, R.; Wittig, S.
1998. In: 11th Symposium on Turbulent Shear Flows, Grenoble, France 1997

Das Strahlungsmodul im CRAY-TECFLAM-Projekt
Koch, R.; Ganz, B.; Wittig, S.
1997. In: 13. TECFLAM Seminar, Köln-Porz 1997

Spectral radiation measurements at a confined turbulent natural gas diffusion flame
Ganz, B.; Schmittel, P.; Koch, R.; Lenze, B.; Wittig, S.
1997. In: International Symposium on Radiative Transfer, ICHMT, Kusadasi, Turkey 1997

Spektrale Strahlungsmessungen an einer eingeschlossenen turbulenten Erdgas Drall- Diffusionsflamme
Ganz, B.; Schmittel, P.; Koch, R.; Lenze, B.; Wittig, S.
1997. In: Verbrennung und Feuerungen. 18. Deutscher Flammentag. Düsseldorf 1997. S. 519-524. (VDI-Berichte. 1313.)

Strömungs- und wärmetechnische Optimierung einer KFZ-Kupplung mittels numerischer Simulation
Eigenmann, L.; Weissert, I.; Koch, R.; Wittig, S.
1997. In: Hochleistungsrechnen im Virtuellen Rechenzentrum Karlsruhe. Karlsruhe 1997. S. 23-33. (Wissenschaftliche Berichte. FZKA. 6040.)

Influence of pressure on NOsub(x)-emissions in rich-lean combustion
Meisl, J.; Koch, R.; Wittig, S.
1997. In: 13th International Symposium on Airbreathing Engines, ISABE 13, Chattanooga, Tenn. 1997

Validierung von PDF-Momentenansätzen mittels Messungen mit laserinduzierter Fluoreszenz
Eigenmann, L.; Meisl, J.; Koch, R.; Wittig, S.; Kraemer, H.; Sick, V.; Wolfrum, J.
1997. In: Verbrennung und Feuerungen. 18. Deutscher Flammentag. Düsseldorf 1997. S. 561-566. (VDI-Berichte. 1313.)

Untersuchung des NOsub(x)- Minderungspotentials von Heizkesselfeuerungen durch Fett-Mager-Verbrennung
Meisl, J.; Koch, R.; Wittig, S.; Klausmann, W.; Willmann, M.
1997. In: Verbrennung und Feuerungen. 18. Deutscher Flammentag. Düsseldorf 1997. S. 189-194. (VDI-Berichte. 1313.)

Rußwachstum bei hohen Drücken
Kellerer, H.; Koch, R.; Wittig, S.
1997. In: Verbrennung und Feuerungen. 18. Deutscher Flammentag. Düsseldorf 1997. S. 319-324. (VDI-Berichte. 1313.)

Gekoppelte Berechnung von Strahlung und reagierender Strömung in einer Modellbrennkammer
Ganz, B.; Koch, R.; Krebs, W.; Eigenmann, L.; Wittig, S.
1996. In: 12. Tecflam-Seminar "Fortschrittliche Verbrennungsmodelle und deren Anwendung", Darmstadt 1996

Discrete ordinate quadrature schemes for multidimensional radiative transfer
Koch, R.; Krebs, W.; Wittig, S.; Viskanta, R.
1995. J. of quantitative spectroscopy and radiat. transfer 53 (1995) S. 353-373

Discrete ordinates quadrature schemes for multidimensional radiative transfer
Koch, R.; Krebs, W.; Wittig, S.; Viskanta, R.
1995. In: 1st International Symposium on Radiative Heat Transfer, ICHMT, Kusadasi, Turkey 1995

Three-dimensional spectral radiative heat transfer calculation in a cylindrical model combustor using the discrete ordinates method
Krebs, W.; Koch, R.; Bauer, H.-J.; Wittig, S.
1995. In: 1st International Symposium on Radiative Heat Transfer, ICHMT, Kusadasi, Turkey 1995

Einfluß von Druck und Brennstoff auf Rußbildung und Strahlung in Gasturbinenbrennkammern. Abschlußbericht zum TECFLAM-Verbundvorhaben Phase II (1990-1993), Teilprojekt 3.5, BEO-Aktenzeichen 032-6725
Krebs, W.; Koch, R.; Wittig, S.
1994. Karlsruhe 1994

Experimentelle Untersuchung des Wärmetransports durch Strahlung in einer realen Gasturbinenbrennkammer. Abschlußbericht zum TECFLAM-Verbundvorhaben Phase II (1990-1993), Teilprojekt 3.8, BEO-Aktenzeichen 032-6725
Krebs, W.; Koch, R.; Wittig, S.
1994. Karlsruhe 1994

Numerical simulation of turbulent three-dimensional flow problems on parallel computing systems
Kurreck, M.; Koch, R.; Wittig, S.
1994. In: Numerical methods for the navier-stokes equations. Ed.: F.-K. Hebeker. Braunschweig 1994. S. 157-166. (Notes on numerical fluid mechanics. 47.)

Spectral and timeresolved radiation measurements in a model gas turbine combustor
Koch, R.; Krebs, W.; Jeckel, R.; Ganz, B.; Wittig, S.
1994. In: ASME International Gas Turbine and Aeroengine Congress and Exposition, The Hague, Netherlands 1994. 94-GT-403

Effect of turbulence on radiative heat transfer inside a model combustor
Krebs, W.; Koch, R.; Bauer, H.-J.; Kneer, R.; Wittig, S.
1994. In: Heat transfer radiating and combusting systems 2, Saluggia (Italy) 1994. S. 349-362. (Eurotherm seminar. 37.)

Study of NO emission characteristics in pressurized staged combustor concepts
Meisl, J.; Koch, R.; Kneer, R.; Wittig, S.
1994. In: 25th International Symposium on Combustion, Irvine, Calif., USA 1994

Berechnung des mehrdimensionalen spektralen Strahlungswaermeaustauschs in Gasturbinen- Brennkammern: Entwicklung und Ueberpruefung von grundlagenorientierten Ansaetzen und Methoden. Dissertation
Koch, R.
1992. Fak. f. Maschinenbau, Diss. v. 14.7.1992., Universität Karlsruhe (TH)

Multidimensional spectral calculation of radiative heat transfer in gas turbine combustors
Koch, R.; Krebs, W.; Wittig, S.
1992. In: ICHMT 1992 International Symposium on Heat Transfer in Turbomachinery, Athens, Greece

The harmonical transmission model: a new approach to multidimensional radiative transfer calculation in gases under consideration of pressure broadening
Koch, R.; Wittig, S.; Noll, B.
1991. J. of heat mass transfer 34 (1991) S. 1871- 1880

Experimentelle Untersuchung des Waermetransports durch Strahlung in einer realen Gasturbinen-Brennkammer. Zwischenber. 1990 zu Vorhaben 3.8 des TECFLAM-Projekts
Wittig, S.; Koch, R.
1991. In: TECFLAM Projekt Mathematische Modellierung und Lasermesstechnik von Verbrennungsvorgaengen. PBE-Aktenz.: 03E-6325 A/B/C/D. Abschlussber. 1984-1989. Stuttgart, Karlsruhe 1990. S. 99-101

Influence of pressure and fuel on the soot formation and radiation in gas turbine combustors
Wittig, S.; Koch, R.
1991. In: TECFLAM Project Mathematical Modelling of Combustion Processes and Laser Measurement Techniques. PBE-Code: 03E-6225 A/B/C/D. Final report 1984-1989. Stuttgart, Karlsruhe 1990. S. 152-161

Einfluss von Druck und Brennstoff auf Russbildung und Strahlung in Gasturbinenbrennkammern
Wittig, S.; Koch, R.
1991. In: TECFLAM Projekt Mathematische Modellierung und Lasermesstechnik von Verbrennungsvorgaengen. PBE-Aktenz.: 03E-6325 A/B/C/D. Abschlussber. 1984-1989. Stuttgart, Karlsruhe 1990. S. 141-150

Optische Russmessung in einer Gasturbinenbrennkammer
Koch, R.; Mohr, H.-J.; Feld, H.-J.; Wittig, S.
1991. In: Verbrennung und Feuerungen. Duesseldorf 1991. S. 423-433. (VDI-Berichte. 922.)

In-situ soot measurements in an operating engine gas turbine combustor
Koch, R.; Wittig, S.; Feld, H.-J.; Mohr, H.-J.
1991. In: 36th International ASME Gas Turbine and Aeroengine Congress, Orlando, USA 1991. (ASME-paper. Nr. 177.)

Numerische Berechnung des spektralen Waermestrahlungsaustauschs in Gasturbinen- Brennkammern
Koch, R.; Wittig, S.
1990. In: 5. TECFLAM-Seminar, Stuttgart 1989. S. 55-69

Influence of the pressure-ratio on radiative heat-transfer in gas turbine combustors
Koch, R.; Wittig, S.; Noll, B.
1990. In: 7th Eurotherm Seminar on Heat Transfer in Radiating and Combusting Systems, Cascais, Portugal 1990. Paper 23-29

Einfluss der Tropfengroessenverteilung von Brennstoffduesen und der Betriebsparameter auf die Gasturbinen-Abgasemissionen
Wittig, S.; Noll, B.; Steinebrunner, K.; Feld, H.-J.; Jeckel, R.; Koch, R.
1989. In: Forschungsbericht. Sonderforschungsbereich 167 "Hochbelastete Brennraeume - Stationaere Gleichdruckverbrennung", Universitaet Karlsruhe (TH). 1987-1989. Karlsruhe 1989. S. 165-196