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Numerical investigation on diesel combustion and emissions with a standard combustion model and detailed chemistry

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Pyszczek, R. Schmalhorst, C. Teodorczyk, A.

Combustion Engines

2015 R. 54, nr 3 19--33

The aim of this study was to determine possibilities of the soot and NOx emissions reduction from an existing heavy-duty compression-ignition (CI) engine based only on in-cylinder techniques. To that end numerical simulations of such processes as a multiphase fuel flow through injector nozzles, a li[...]

Numerical investigation of the swirl combustion chamber for the Opposed-Piston Compression-Ignition engine

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Pyszczek, R. Kalke, J. Mazuro, P.

Archivum Combustionis

2016 Vol. 36 nr 2 83--104

The possibility of achieving high thermodynamic efficiency brings opposed-piston (OP) engines back into interest of research centers. If made as 2-stroke, the possibility of unidirectional scavenging arises together with lower engine cost due to removal of unnecessary parts like camshafts or poppet [...]

Numerical investigation on low calorific syngas combustion in the opposed-piston engine

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Pyszczek, R. Mazuro, P. Jach, A. Teodorczyk, A.

Combustion Engines

2017 R. 56, nr 2 53--63

The aim of this study was to investigate a possibility of using gaseous fuels of a low calorific value as a fuel for internal combustion engines. Such fuels can come from organic matter decomposition (biogas), oil production (flare gas) or gasification of materials containing carbon (syngas). The ut[...]

LES numerical study on in–injector cavitating flow

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Pyszczek, R. Kapusta, Ł. J. Teodorczyk, A.

Journal of Power of Technologies

2017 Vol. 97, nr 1 52--60

In this paper a computational study on hexane flow in a fuel injector is presented. Large Eddy Simulation (LES) was used to capture the turbulent patterns present in the flow. The main aim was to investigate the cavitation phenomenon and its interaction with turbulence as well as the influence of in[...]

Compression Auto-Ignition Control in a 2-stroke Barrel-type Opposed-Piston Engine

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Pyszczek, R. Mazuro, P. Teodorczyk, A.

Archivum Combustionis

2017 Vol. 37 nr 1 25--42

The aim of this study is to investigate a possibility of Compression Auto-Ignition (CAI) control in a turbocharged 2-stroke barrel type Opposed-Piston (OP) engine fueled with a gasoline. The barrel type OP engine arrangement is of particular interest for the authors because of its robust design, hig[...]

CFD simulations as a support of experimental research in a rapid compression expansion machine facility

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Jach, A. Pyszczek, R. Kapusta, Ł. J. Teodorczyk, A.

Journal of KONES

2018 Vol. 25, No. 4 141--147

The main aim of this study to reproduce methane combustion experiment conducted in a rapid compressionexpansion machine using AVL FIRETM software in order to shed more light on the in-cylinder processes. The piston movement profile, initial and boundary conditions as well as the geometry of the comb[...]