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Effects of Late Intake Valve Closing on Four Stroke Gasoline Engines

[+] Author Affiliations
G. B. Parvate-Patil, H. Hong, B. W. Gordon

Concordia University, Montreal, QC, Canada

Paper No. HT-FED2004-56859, pp. 1031-1038; 8 pages
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 1
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4690-3 | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME


The objective of this paper is to the study effects of Late Intake Valve Closing (LIVC), and how it affects the in-cylinder fluid flow for four stroke gasoline engines. Further investigation of LIVC has been performed with the help of an engine cycle simulation program (GT-Power). Study shows that LIVC is beneficial for reduction of pumping losses, which may reduce the break specific fuel consumption (BSFC) of the engine. In this paper, a simulation of LIVC was achieved by retarding the timing of the solenoid actuated intake valve.

Copyright © 2004 by ASME



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