TECHNICAL PAPERS: Internal Combustion Engines

A Model for Droplet Vaporization for Use in Gasoline and HCCI Engine Applications

[+] Author and Article Information
Youngchul Ra, Rolf D. Feitz

Engine Research Center, University of Wisconsin-Madison, 1500 Engineering Drive, Madison, WI 53706

J. Eng. Gas Turbines Power 126(2), 422-428 (Jun 07, 2004) (7 pages) doi:10.1115/1.1688367 History: Received June 01, 2002; Revised August 01, 2003; Online June 07, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Evaporation of a gasoline droplet in quiescent ambient air. The initial ambient temperature and pressure are 1000 K and 1.0 bar, respectively. The initial temperature and size of the droplet are 300 K and 100 μm, respectively.
Grahic Jump Location
Predicted history of droplet interior temperature for gasoline and iso-octane droplets at ambient air pressures of 0.3 and 1.0 bar, ambient temperature of 500 K. The initial droplet temperature and drop size are 300 K and 100 μm, respectively.
Grahic Jump Location
Temporal behavior of temperature and surface vapor mass fraction of a superheated gasoline droplet at Tamb=500 K,Pamb=0.5 bar,Tpi=360 K and Di=100 μm
Grahic Jump Location
Predicted history of surface regression for gasoline and iso-octane droplets with two different initial temperatures at ambient pressure of 0.5 bar and ambient temperature of 500 K. The initial drop size is 100 μm.
Grahic Jump Location
Comparison of predictions of iso-octane vaporization by the single-component model and the multicomponent model




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