3D CFD Simulation of Twin Entry Turbochargers in an Engine Environment

Benjamin Boose ()
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Benjamin Boose: Institut für Verbrennungsmotoren und Kraftfahrwesen

A chapter in High Performance Computing in Science and Engineering ‘13, 2013, pp 465-476 from Springer

Abstract: Abstract In this long term project the behaviour of a twin scroll turbocharger in an engine environment with pulsating boundary conditions is investigated. A complete three dimensional turbocharger fluid model is built including exhaust manifold, turbine and compressor housing as well as the complete runners. The turbine and the compressor side is coupled by a momentum equilibrium (and) the instantaneous rotational speed of the turbocharger is calculated for each timestep. This model is capable of analyzing both, the transient pulse efficiency, which is generated by the working cycle and the operating behavior, especially the overflow losses in a twinscroll turbine caused by pressure pulses.

Keywords: Turbine Efficiency; Shaft Power; Overflow Loss; Pressure Pulse Increase; Turbine Runner (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-02165-2_32

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DOI: 10.1007/978-3-319-02165-2_32

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