TECHNICAL PAPERS: Manifold Gas Dynamics and Turbocharging

Improvement of the Dynamic Characteristic of an Automotive Engine by a Turbocharger Assisted by an Electric Motor

[+] Author and Article Information
T. Katrašnik, S. Rodman, F. Trenc

Department of Mechanical Engineering, University of Ljubljana, Aškerševa 6, SI-1000 Ljubljana, Slovenia

A. Hribernik

Department of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia

V. Medica

Faculty of Engineering, University of Rijeka, Vukovarska 58, 5100 Rijeka, Croatia

J. Eng. Gas Turbines Power 125(2), 590-595 (Apr 29, 2003) (6 pages) doi:10.1115/1.1563246 History: Received October 01, 2001; Revised October 01, 2002; Online April 29, 2003
Copyright © 2003 by ASME
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Scheme of an engine with electrically assisted turbocharger
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Scheme of a turbocharged engine with separate electrically driven compressor
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Results of comparison between measured and simulated transient operation of the engine; B.E.M.P.=0.4→1.4 MPa
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Layout of the turbocharger with the integrated electric motor
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Simulation of the transient response of the turbocharged engine with different auxiliary driving electric motors
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Boost pressure control of the cyclic fuel delivery for different engine speeds
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Simulation of the load acceptance of a turbocharged engine and electrically assisted turbocharged engine



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