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TECHNICAL PAPERS: Evaporation, Boiling, and Condensation

The Effect of Dissolving Gases or Solids in Water Droplets Boiling on a Hot Surface

[+] Author and Article Information
Qiang Cui, Sanjeev Chandra, Susan McCahan

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario M5S 3G8, Canada

J. Heat Transfer 123(4), 719-728 (Jan 11, 2001) (10 pages) doi:10.1115/1.1376394 History: Received July 31, 2000; Revised January 11, 2001
Copyright © 2001 by ASME
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References

Figures

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Schematic diagram of the experimental apparatus
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Evaporation of droplets on a hot surface at 100°C: (a) pure water; (b) water containing dissolved CO2; (c) 1 percent by weight solution of Na2CO3; (d) 1 percent by weight solution of NaHCO3
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Variation of liquid-solid contact diameter with time during evaporation of droplets on a stainless steel surface at 100°C
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Variation of droplet-air interface area during evaporation of droplets on a stainless steel surface at 100°C
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Boiling of droplets on a hot surface at 130°C: (a) pure water; (b) water containing dissolved CO2; (c) 1 percent by weight solution of Na2CO3
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Boiling of 1 percent by weight solution of NaHCO3 droplets on a hot surface at 130°C
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Variation of droplet lifetime for droplets deposited on a stainless steel surface at temperatures ranging from 100°C to 210°C
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Impact of droplets on a surface at 220°C: (a) pure water; (b) water containing dissolved CO2; and (c) 1 percent by weight solution of NaHCO3
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Variation of droplet lifetime for droplets deposited on a stainless steel surface at temperatures ranging from 210°C to 300°C
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Impact of droplets on a surface at 300°C: (a) pure water; (b) water containing dissolved CO2; and (c) 1 percent by weight solution of NaHCO3

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