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Validated 1D/3D Coupling Method to Solve Transient Flows in Internal Combustion Engines

[+] Author Affiliations
Rory Sinclair

University of Glasgow, Glasgow, Scotland

Peter Schindler, Tim Strauss

Volkswagen AG, Wolfsburg, Germany

Paper No. PVP2002-1552, pp. 197-203; 7 pages
  • ASME 2002 Pressure Vessels and Piping Conference
  • Computational Technologies for Fluid/Thermal/Structural/Chemical Systems With Industrial Applications, Volume 1
  • Vancouver, BC, Canada, August 5–9, 2002
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4659-8
  • Copyright © 2002 by ASME


In this paper an improved numerical procedure [1] to calculate the gas dynamics within an automotive engine using hybrid 1D/3D models is presented. The hybrid models are solved using a coupled calculation of a 1D-finite differencing-code and a 3D-finite volume-code. The overall methodology is reviewed, emphasising new improvements to the averaging procedure. A simply method for the boundary velocity profile initialisation is discussed. Computational results from a hybrid model of a V6 TDI engine are discussed and compared to pressure measurements for three engine speeds.

Copyright © 2002 by ASME



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