Search Results - "Bykov, Viatcheslav"

Study of mechanism of ammonia decomposition and oxidation: From NOx reduction to ammonia auto-ignition problem by Bykov, Viatcheslav, Stein, Marcus, Maas, Ulrich

“…A chemical kinetic mechanism for ammonia decomposition and combustion from the CRECK modeling group is analyzed in this study with respect to the fast and slow…”
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Autoignition Problem in Homogeneous Combustion Systems: GQL versus QSSA Combined with DRG by Yu, Chunkan, Shashidharan, Sudhi, Wu, Shuyang, Minuzzi, Felipe, Bykov, Viatcheslav

“…The global quasi-linearization (GQL) is used as a method to study and to reduce the complexity of mathematical models of mechanisms of chemical kinetics…”
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The Effect of Evaporation Models on Urea Decomposition from Urea-Water-Solution Droplets in SCR Conditions by Stein, Marcus, Bykov, Viatcheslav, Maas, Ulrich

“…Selective catalytic reduction using urea-water-solution to reduce emissions of NO x from diesel engines is commonly used in the automotive industry. For a high…”
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Determining the global activation energy of methane–air premixed flames by Moroshkina, Anastasia D., Ponomareva, Alina A., Mislavskii, Vladimir V., Sereshchenko, Evgeniy V., Gubernov, Vladimir V., Bykov, Viatcheslav V., Minaev, Sergey S.

“…In this work, the determination of the apparent activation energy of a global chemical reaction mechanism of the methane–air flames is revisited. The one-step…”
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Activation Energy of Hydrogen–Methane Mixtures by Moroshkina, Anastasia, Ponomareva, Alina, Mislavskii, Vladimir, Sereshchenko, Evgeniy, Gubernov, Vladimir, Bykov, Viatcheslav, Minaev, Sergey

“…In this work, the overall activation energy of the combustion of lean hydrogen–methane–air mixtures (equivalence ratio φ = 0.7−1.0 and hydrogen fraction in…”
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Thermal Decomposition of a Single AdBlue® Droplet Including Wall–Film Formation in Turbulent Cross-Flow in an SCR System by Nishad, Kaushal, Stein, Marcus, Ries, Florian, Bykov, Viatcheslav, Maas, Ulrich, Deutschmann, Olaf, Janicka, Johannes, Sadiki, Amsini

“…The selective catalytic reduction (SCR) methodology is notably recognized as the widely applied strategy for NOX control in exhaust after-treatment…”
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Comparative analysis of Reaction-Diffusion Manifold based reduced models for Head-On- and Side-Wall-Quenching flames by Strassacker, Christina, Bykov, Viatcheslav, Maas, Ulrich

“…In this study, multi-dimensional molecular transport phenomena during Flame-Wall-Interactions (FWI) and their effects on model reduction strategies are…”
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Reduced modeling of Flame-Wall-Interactions of premixed isooctane-air systems including detailed transport and surface reactions by Strassacker, Christina, Bykov, Viatcheslav, Maas, Ulrich

“…In this work, the Reaction-Diffusion Manifold (REDIM) method, a method for model reduction, is applied to a premixed isooctane-air system with…”
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Coupling of simplified chemistry with mixing processes in PDF simulations of turbulent flames by Yu, Chunkan, Bykov, Viatcheslav, Maas, Ulrich

“…Numerical simulation of turbulent reacting flow is still a challenging task. For the efficient computational simulation and applicability for technical…”
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Parametrization and projection strategies for manifold based reduced kinetic models by Strassacker, Christina, Bykov, Viatcheslav, Maas, Ulrich

“…The problem of a reduced model formulation for combustion processes is discussed in the present study. For this purpose, different reduced model equations are…”
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Reduced simulation of the evaporation and decomposition of droplets and films of urea-water solution in exhaust gas environment by Stein, Marcus, Bykov, Viatcheslav, Maas, Ulrich

“…Reduced models for the evaporation and decomposition of urea-water solution in exhaust gas systems are developed to improve computational efficiency for…”
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LES of turbulent partially-premixed flames using reaction–diffusion manifold-reduced chemistry with a consistent gradient estimate determined “on the fly” by Shrotriya, Prashant, Schießl, Robert, Bykov, Viatcheslav, Maas, Ulrich

“…This paper devises and applies a method for determining consistent, system-adapted reaction–diffusion manifolds (REDIM) for turbulent partially-premixed…”
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An improved reduced model for the evaporation and decomposition of urea-water solution (UWS) droplets by Berszány, Etele, Stein, Marcus, Bykov, Viatcheslav, Maas, Ulrich

“…Urea-water-solution (UWS) is often used as a source for the reduction agent ammonia for the selective catalytic reduction of nitric oxides in combustion…”
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Deflagration-to-detonation transition in an unconfined space by Koksharov, Andrey, Bykov, Viatcheslav, Kagan, Leonid, Sivashinsky, Gregory

“…Whereas deflagration-to-detonation transition in confined systems is a matter of common knowledge, feasibility of the transition in unconfined space is still a…”
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REDIM reduced modeling of flame quenching at a cold wall - The influence of detailed transport models and detailed mechanisms by Strassacker, Christina, Bykov, Viatcheslav, Maas, Ulrich

“…In this paper, the quenching of a laminar premixed flame at a cold inert wall is investigated. Transient system behavior of the quenching flame is studied both…”
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REDIM reduced modeling of flame-wall-interactions: Quenching of a premixed methane/air flame at a cold inert wall by Steinhilber, Gerd, Bykov, Viatcheslav, Maas, Ulrich

“…The focus of this study is the development of a robust and accurate algorithm for model reduction of chemical kinetics for near wall reacting flows. The…”
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Relaxational oscillations of burner-stabilized premixed methane–air flames by Volkov, Daniil, Moroshkina, Anastasia, Mislavskii, Vladimir, Sereshchenko, Evgeniy, Gubernov, Vladimir, Bykov, Viatcheslav, Minaev, Sergey

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Methane/Air Auto-Ignition Based on Global Quasi-Linearization (GQL) and Directed Relation Graph (DRG): Implementation and Comparison by Yu, Chunkan, Minuzzi, Felipe, Bykov, Viatcheslav, Maas, Ulrich

“…In this work, two different reduction methods for simplification of chemical kinetics, the Global Quasi-linearization (GQL) and the Directed Relation Graph…”
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Model reduction and mechanism comparison of hydrogen/oxygen auto-ignition by Bykov, Viatcheslav, Yu, Chunkan, Gol’dshtein, Vladimir, Maas, Ulrich

“…The problem of reduced kinetic models for auto-ignition is revisited. The hydrogen-air system is considered in a wide range of system parameters and initial…”
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Flexible energy conversion and storage via high-temperature gas-phase reactions: The piston engine as a polygeneration reactor by Atakan, Burak, Kaiser, Sebastian A., Herzler, Jürgen, Porras, Sylvia, Banke, Kai, Deutschmann, Olaf, Kasper, Tina, Fikri, Mustapha, Schießl, Robert, Schröder, Dominik, Rudolph, Charlotte, Kaczmarek, Dennis, Gossler, Hendrik, Drost, Simon, Bykov, Viatcheslav, Maas, Ulrich, Schulz, Christof

“…Piston engines are typically considered devices converting chemical energy into mechanical power via internal combustion. But more generally, their ability to…”
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