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TECHNICAL PAPERS: Evaporative Boiling and Condensation

Evaporation of Water Droplets Placed on a Heated Horizontal Surface

[+] Author and Article Information
Orlando E. Ruiz

Hewlett Packard, Pen Technology & Manufacturing Center, Solutions Development Group, P.O. Box 4048, Agüadilla, PR 00605

William Z. Black

Georgia Institute of Technology, George W. Woodruff School of Mechanical Engineering, Atlanta, GA 30332-0405

J. Heat Transfer 124(5), 854-863 (Sep 11, 2002) (10 pages) doi:10.1115/1.1494092 History: Received March 05, 2001; Revised May 07, 2002; Online September 11, 2002
Copyright © 2002 by ASME
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References

Figures

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Generalized curvilinear coordinate transformation
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Short time solution: Isotherm and Streamfunction contours (with velocity vectors superimposed) for a 0.1 mm initial contact diameter water drop on a 100°C heated surface. Initial contact angle=90 deg. Environment: T=20°C, dry air: (a) 0.5 ms, (b) 1.0 ms, (c) 1.5 ms, and (d) 2.0 ms.
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Long time solution: Isotherm and Streamfunction contours (with velocity vectors superimposed) for a 0.1 mm initial contact diameter water drop on a 100°C heated surface. Initial contact angle=90 deg. Environment: T=20°C, dry air: (a) 5 ms, (b) 20 ms, (c) 40 ms, and (d) 60 ms.
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Isotherm contours comparison between the numerical solutions with fluid motion and without fluid motion for a water drop with an initial contact diameter of 0.1 mm, 100°C heated surface, and initial contact angle=90 deg. Environment: T=20°C, dry air: (a) 10 ms, (b) 20 ms, (c) 40 ms, and (d) 60 ms.
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Water droplet normalized volume comparison with experimental data of Crafton 29

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