Search Results - "Falkenstein, Tobias"

DNS study of the global heat release rate during early flame kernel development under engine conditions by Falkenstein, Tobias, Kang, Seongwon, Cai, Liming, Bode, Mathis, Pitsch, Heinz

“…Despite the high technical relevance of early flame kernel development for the reduction of cycle-to-cycle variations in spark ignition engines, there is still…”
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LES of n -Dodecane Spray Combustion Using a Multiple Representative Interactive Flamelets Model by Davidovic, Marco, Falkenstein, Tobias, Bode, Mathis, Cai, Liming, Kang, Seongwon, Hinrichs, Jörn, Pitsch, Heinz

“…A single-hole n -dodecane spray flame is studied in a Large-Eddy Simulation (LES) framework under Diesel-relevant conditions using a Multiple Representative…”
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LES of Internal Combustion Engine Flows Using Cartesian Overset Grids by Falkenstein, Tobias, Kang, Seongwon, Davidovic, Marco, Bode, Mathis, Pitsch, Heinz, Kamatsuchi, Toshihiro, Nagao, Junji, Arima, Toshiyuki

“…Accurate computations of turbulent flows using the Large-Eddy Simulation (LES) technique with an appropriate SubFilter Scale (SFS) model require low artificial…”
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Applying physics-informed enhanced super-resolution generative adversarial networks to turbulent premixed combustion and engine-like flame kernel direct numerical simulation data by Bode, Mathis, Gauding, Michael, Goeb, Dominik, Falkenstein, Tobias, Pitsch, Heinz

“…Models for finite-rate-chemistry in underresolved flows still pose one of the main challenges for predictive simulations of complex configurations. The problem…”
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The role of differential diffusion during early flame kernel development under engine conditions – part II: Effect of flame structure and geometry by Falkenstein, Tobias, Chu, Hongchao, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz

“…From experimental spark ignition (SI) engine studies, it is known that the slow-down of early flame kernel development caused by the (Le > 1)-property of…”
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Hybrid scheme for complex flows on staggered grids and application to multiphase flows by Bode, Mathis, Deshmukh, Abhishek Y., Falkenstein, Tobias, Kang, Seongwon, Pitsch, Heinz

“…A hybrid scheme is developed that enables advanced simulations, such as multiphase flows, in complex flow setups with compressible flow solvers using a…”
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The role of differential diffusion during early flame kernel development under engine conditions - part I: Analysis of the heat-release-rate response by Falkenstein, Tobias, Rezchikova, Aleksandra, Langer, Raymond, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz

“…Although experimental evidence for the correlation between early flame kernel development and cycle-to-cycle variations (CCV) in spark ignition (SI) engines…”
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Numerical investigation of coal particle stream ignition in oxy-atmosphere by Farazi, Sima, Hinrichs, Jörn, Davidovic, Marco, Falkenstein, Tobias, Bode, Mathis, Kang, Seongwon, Attili, Antonio, Pitsch, Heinz

“…•Modeling of particle stream ignition applying the CPD method and detailed chemistry.•Analysis of the ignition delay time for different number density of the…”
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Experiments and Large-Eddy Simulation for a Flowbench Configuration of the Darmstadt Optical Engine Geometry by Falkenstein, Tobias, Davidovic, Marco, Chu, Hongchao, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz, Murayama, Kei, Taniguchi, Hiroyoshi

“…The development and control of spark-ignition engines with increased efficiency and reduced engine-out emissions requires tools and methods capable of…”
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Effects of Cavitation and Hydraulic Flip in 3-Hole GDI Injectors by Bode, Mathis, Falkenstein, Tobias, Davidovic, Marco, Pitsch, Heinz, Taniguchi, Hiroyoshi, Murayama, Kei, Arima, Toshiyuki, Moon, Seoksu, Wang, Jin, Arioka, Akira

“…The performance of Gasoline Direct Injection (GDI) engines is governed by multiple physical processes such as the internal nozzle flow and the mixing of the…”
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Numerical Investigation of Direct Gas Injection in an Optical Internal Combustion Engine by Deshmukh, Abhishek Y, Falkenstein, Tobias, Pitsch, Heinz, Khosravi, Maziar, Bebber, David van, Klaas, Michael, Schroeder, Wolfgang

“…Direct injection (DI) of compressed natural gas (CNG) is a promising technology to increase the indicated thermal efficiency of internal combustion engines…”
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Applying Physics-Informed Enhanced Super-Resolution Generative Adversarial Networks to Turbulent Premixed Combustion and Engine-like Flame Kernel Direct Numerical Simulation Data by Bode, Mathis, Gauding, Michael, Goeb, Dominik, Falkenstein, Tobias, Pitsch, Heinz

“…Models for finite-rate-chemistry in underresolved flows still pose one of the main challenges for predictive simulations of complex configurations. The problem…”
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Analysis of Premixed Flame Kernel/Turbulence Interactions under Engine Conditions based on DNS Data by Falkenstein, Tobias, Kang, Seongwon, Pitsch, Heinz

“…J. Fluid Mech.(2020), Vol. 885, A32 Although the evolution of premixed flames in turbulence has been frequently studied, it is not well understood how small…”
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The Role of Differential Diffusion during Early Flame Kernel Development under Engine Conditions -- Part II: Effect of Flame Structure and Geometry by Falkenstein, Tobias, Chu, Hongchao, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz

“…Combustion and Flame 221 (2020), 516-529 From experimental spark ignition (SI) engine studies, it is known that the slow-down of early flame kernel development…”
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DNS Study of the Global Heat Release Rate During Early Flame Kernel Development under Engine Conditions by Falkenstein, Tobias, Kang, Seongwon, Cai, Liming, Bode, Mathis, Pitsch, Heinz

“…Combustion and Flame 213 (2020), 455-466 Despite the high technical relevance of early flame kernel development for the reduction of cycle-to-cycle variations…”
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The Role of Differential Diffusion during Early Flame Kernel Development under Engine Conditions -- Part I: Analysis of the Heat-Release-Rate Response by Falkenstein, Tobias, Rezchikova, Aleksandra, Langer, Raymond, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz

“…Combustion and Flame 221 (2020), 502-515 Although experimental evidence for the correlation between early flame kernel development and cycle-to-cycle…”
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Extreme Scale-out SuperMUC Phase 2 - lessons learned by Hammer, Nicolay, Jamitzky, Ferdinand, Satzger, Helmut, Allalen, Momme, Block, Alexander, Karmakar, Anupam, Brehm, Matthias, Bader, Reinhold, Iapichino, Luigi, Ragagnin, Antonio, Karakasis, Vasilios, Kranzlmüller, Dieter, Bode, Arndt, Huber, Herbert, Kühn, Martin, Machado, Rui, Grünewald, Daniel, Edelmann, Philipp V. F, Röpke, Friedrich K, Wittmann, Markus, Zeiser, Thomas, Wellein, Gerhard, Mathias, Gerald, Schwörer, Magnus, Lorenzen, Konstantin, Federrath, Christoph, Klessen, Ralf, Bamberg, Karl-Ulrich, Ruhl, Hartmut, Schornbaum, Florian, Bauer, Martin, Nikhil, Anand, Qi, Jiaxing, Klimach, Harald, Stüben, Hinnerk, Deshmukh, Abhishek, Falkenstein, Tobias, Dolag, Klaus, Petkova, Margarita

“…Advances in Parallel Computing, vol. 27: Parallel Computing: On the Road to Exascale, eds. G.R. Joubert et al., p. 827, 2016 In spring 2015, the Leibniz…”
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