Advanced Turbocharger Model for 1D ICE Simulation - Part I

Paper #:
  • 2013-01-0581

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-0581
Citation:
Grigoriadis, P., Binder, E., Böttcher, L., Benz, A. et al., "Advanced Turbocharger Model for 1D ICE Simulation - Part I," SAE Technical Paper 2013-01-0581, 2013, doi:10.4271/2013-01-0581.
Pages:
13
Abstract:
Standard compressor and turbine maps obtained from steady-state test bench measurements are not sufficient for assessing transient turbocharger behavior. This also makes them inappropriate for gauging combustion-engine response and fuel consumption. Nor do they allow for the widely differing operating conditions which, apart from aerodynamics, have a major influence on heat transfer and turbocharger efficiency.This paper looks at a more complex approach of modeling the turbocharger as well developing appropriate measurement methods (“advanced turbocharger model”).This includes non-destructive measurements under various heat transfer conditions to define the turbocharger's adiabatic behavior needed to describe charge-air pressure increase in the compressor and engine exhaust gas backpressure from the turbine for transient engine operation.
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