Simulation of Fuel Droplet Gasification in SI Engines

[+] Author and Article Information
X. Q. Liu, C. H. Wang, C. K. Law

Department of Mechanical and Nuclear Engineering, Northwestern University, Evanston, Ill. 60201

J. Eng. Gas Turbines Power 106(4), 849-853 (Oct 01, 1984) (5 pages) doi:10.1115/1.3239649 History: Received April 15, 1983; Online October 15, 2009


The heating and gasification of a fuel droplet during the intake and compression strokes of an SI engine are modeled. Results show that the simultaneous increases in the gas temperature and pressure during compression tend to have compensatory effects on the droplet gasification rate such that it remains somewhat insensitive to changes in the cylinder environment. Generalized results are presented allowing for the assessment of the lower and upper bounds in the initial size of the droplet that can achieve complete gasification prior to the end of the compression stroke.

Copyright © 1984 by ASME
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