Pool boiling heat flux versus wall superheat boiling curves were obtained for horizontal 3.18-mm-dia thin-walled brass tubes heated by an internal high-speed flow of ethylene glycol. The boiling liquids were saturated n-pentane, R-113, acetone, methanol ethanol, benzene, and isopropanol. Boiling results include nucleate and transition boiling in all the test liquids, but film boiling was achieved only with methanol. The measured peak heat fluxes are well correlated by available predictions. The methanol experiments clearly display two transition boiling curves, one obtained on increasing the cylinder temperature from nucleate boiling, the other on decreasing the cylinder temperature from film boiling. For the cases in which the highest cylinder temperature reached only into the transition regime, a single transition boiling curve resulted.
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Transition Boiling Curves in Saturated Pool Boiling From Horizontal Cylinders
E. K. Ungar,
E. K. Ungar
Crew and Thermal Systems Division, NASA, Johnson Space Center, Houston, TX 77058
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R. Eichhorn
R. Eichhorn
Cullen College of Engineering, University of Houston, Houston, TX 77204
Search for other works by this author on:
E. K. Ungar
Crew and Thermal Systems Division, NASA, Johnson Space Center, Houston, TX 77058
R. Eichhorn
Cullen College of Engineering, University of Houston, Houston, TX 77204
J. Heat Transfer. Aug 1996, 118(3): 654-661 (8 pages)
Published Online: August 1, 1996
Article history
Received:
February 18, 1995
Revised:
May 17, 1996
Online:
December 5, 2007
Citation
Ungar, E. K., and Eichhorn, R. (August 1, 1996). "Transition Boiling Curves in Saturated Pool Boiling From Horizontal Cylinders." ASME. J. Heat Transfer. August 1996; 118(3): 654–661. https://doi.org/10.1115/1.2822682
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