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TECHNICAL PAPERS: Evaporation, Boiling, and Condensation

Modeling of Heat Transfer in a Mist/Steam Impinging Jet

[+] Author and Article Information
X. Li

Department of Mechanical Engineering, Clemson University, Clemson, SC 29634-0921e-mail: xianchl@clemson.edu

J. L. Gaddis

Department of Mechanical Engineering, Clemson University, Clemson, SC 29634-0921e-mail: leo.gaddis@ces.clemson.edu

T. Wang

Energy Conversion and Conservation Center, University of New Orleans, New Orleans, Louisiana 70148-2220e-mail: twang@uno.edu

J. Heat Transfer 123(6), 1086-1092 (Apr 23, 2001) (7 pages) doi:10.1115/1.1409262 History: Received June 07, 2000; Revised April 23, 2001
Copyright © 2001 by ASME
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References

Figures

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Predicted effect of the mist concentration on mist/steam heat transfer at different wall temperatures and droplet diameter
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Schematic diagram of test section
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A typical heat transfer result of mist/steam jet impingement (q=7.54 kW/m2,Re=14000, and ml/ms=∼1.5 percent)
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Modeling of heat transfer from wall to droplet
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Heat transfer process between droplet and wall by direct conduction (Q is the heat conduction from the target wall to the droplet): (a) total wall heat; and (b) superheat of droplet.
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Droplet distribution and number at jet exit and on target wall: (a) at jet exit; and (b) impacting on target wall (x/b<1).
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Predicted effect of the wall temperature on mist/steam heat transfer at different mist concentrations and droplet impact velocities
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Comparison of the predicted result by the model and experimental data

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