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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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References

Figures

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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.
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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.
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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
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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.
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Comparison of predictions of iso-octane vaporization by the single-component model and the multicomponent model

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