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Dive into the research topics where Oldrich Vitek is active.

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Featured researches published by Oldrich Vitek.


SAE 2013 World Congress & Exhibition | 2013

1-D Model of Roots Type Supercharger

Pavel Brynych; Jan Macek; Oldrich Vitek; Libor Červenka

Obsah práce Předložená disertační práce se zabývá výpočtovým a experimentálním popisem dějů v geometricky složitém objemovém stroji s nestacionárním stlačováním včetně uvážení netěsností. Práce zahrnuje postup pro popis komplikované geometrie pomocí kombinace CAD a skriptů. Na základě tohoto postupu je možné určit geometrické charakteristiky objemů, povrchů a průřezů netěsností mezi zabírajícími zuby a skříní dmychadla. Následně je použit komerční softwarový nástroj GT Suite pro řešení nestacionárních 1D dějů. Simulované výsledky jsou ověřeny pomocí technických experimentů.


SAE 2013 World Congress & Exhibition | 2013

LES Simulation of Flame Propagation in a Direct-Injection SI-Engine to Identify the Causes of Cycle-to-Cycle Combustion Variations

Reinhard Tatschl; Michael Bogensperger; Zoran Pavlovic; Peter Priesching; Henrik Schuemie; Oldrich Vitek; Jan Macek


SAE 2012 World Congress & Exhibition | 2012

LES Simulation of Direct Injection SI-Engine In-Cylinder Flow

Oldrich Vitek; Jan Macek; Reinhard Tatschl; Zoran Pavlovic; Peter Priesching


SAE International journal of engines | 2013

Modeling Cycle-to-Cycle Variations in 0-D/1-D Simulation by Means of Combustion Model Parameter Perturbations based on Statistics of Cycle-Resolved Data

Oldrich Vitek; Jan Macek; Christoph Poetsch; Reinhard Tatschl


SAE International journal of engines | 2012

Study of Unconventional Cycles (Atkinson and Miller) with Mixture Heating as a Means for the Fuel Economy Improvement of a Throttled SI Engine at Part Load

Lubomir Miklanek; Oldrich Vitek; Ondrej Gotfryd; Vojtech Klir


SAE 2011 World Congress & Exhibition | 2011

Calibration and Results of a Radial Turbine 1-D Model with Distributed Parameters

Jan Macek; Oldrich Vitek; Zdenek Zak


SAE International journal of engines | 2011

Study of Pressure Wave Supercharger Potential using a 1-D and a 0-D Approach

Luděk Pohořelský; Zdenek Zak; Jan Macek; Oldrich Vitek


SAE 2015 World Congress & Exhibition | 2015

Physical Model of a Twin-scroll Turbine with Unsteady Flow

Jan Macek; Zdenek Zak; Oldrich Vitek


SAE 2014 World Congress & Exhibition | 2014

Combining Thermodynamics and Design Optimization for Finding ICE Downsizing Limits

Sergii Bogomolov; Vit Dolecek; Jan Macek; Antonin Mikulec; Oldrich Vitek


SAE 2016 World Congress and Exhibition | 2016

Determination and Representation of Turbocharger Thermodynamic Efficiencies

Jan Macek; Oldrich Vitek

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Jan Macek

Czech Technical University in Prague

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Zdenek Zak

Czech Technical University in Prague

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Vit Dolecek

Czech Technical University in Prague

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Antonin Mikulec

Czech Technical University in Prague

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Jiri Vavra

Czech Technical University in Prague

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