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TECHNICAL PAPERS: Evaporation, Boiling, and Condensation

The Effect of Dissolving Salts in Water Sprays Used for Quenching a Hot Surface: Part 1—Boiling of Single Droplets

[+] 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 125(2), 326-332 (Mar 21, 2003) (7 pages) doi:10.1115/1.1532010 History: Received February 27, 2002; Revised October 07, 2002; Online March 21, 2003
Copyright © 2003 by ASME
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References

Figures

Grahic Jump Location
Boiling of droplets of (a) pure water, (b) NaCl solution (0.06 mol/l), and (c) Na2SO4 solution (0.06 mol/l), deposited on a stainless steel surface at a temperature of 130°C
Grahic Jump Location
Boiling of droplets of MgSO4 dissolved in water with concentrations of (a) 0.01 mol/l, (b) 0.06 mol/l, and (c) 0.40 mol/l, deposited on a stainless steel surface at a temperature of 130°C
Grahic Jump Location
Variation of the lifetime of 2.0 mm diameter droplets of water or salt solution placed on a stainless steel plate with varying surface temperature
Grahic Jump Location
Variation of droplet lifetime with solution concentration for 2.0 mm diameter water droplets containing either NaCl, Na2SO4,MgSO4, or sucrose, deposited on a stainless steel surface at a temperature of 130°C
Grahic Jump Location
Transition concentration of salt required to prevent bubble coalescence as a function of bubble radius in a salt solution at a temperature of 100°C

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