Experiments were performed to study subcooled film boiling of performance liquid PF-5060 (made by 3-M Company) on a horizontal copper disc. The experiments were performed for two regimes of film boiling involving departing vapor bubbles (low subcooling) and nondeparting vapor bubbles (high subcooling). By employing high speed digital camera, data were obtained for temporal variation of bubble height, bubble shape and bubble growth rate over one cycle. Heat flux data were deduced from temperatures measured with thermocouples embedded in the solid. The results from the numerical model are compared with experimental data and are found to be in general agreement. Particle Tracking Velocimetry (PTV) experiments were performed for a configuration of non-departing vapor bubbles to study the flow field in the liquid phase. The PTV experiments point to the existence of natural convection flow in the liquid phase and is in qualitative agreement with the predictions available in the literature.
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Study of Subcooled Film Boiling on a Horizontal Disc:1 Part 2—Experiments
D. Banerjee,
D. Banerjee
Mechanical and Aerospace Engineering Department, University of California, Los Angeles, Los Angeles, CA 90095
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V. K. Dhir
V. K. Dhir
Mechanical and Aerospace Engineering Department, University of California, Los Angeles, Los Angeles, CA 90095
Search for other works by this author on:
D. Banerjee
Mechanical and Aerospace Engineering Department, University of California, Los Angeles, Los Angeles, CA 90095
V. K. Dhir
Mechanical and Aerospace Engineering Department, University of California, Los Angeles, Los Angeles, CA 90095
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division January 20, 2000; revision received October 31, 2000. Associate Editor: V. Carey.
J. Heat Transfer. Apr 2001, 123(2): 285-293 (9 pages)
Published Online: October 31, 2000
Article history
Received:
January 20, 2000
Revised:
October 31, 2000
Citation
Banerjee , D., and Dhir, V. K. (October 31, 2000). "Study of Subcooled Film Boiling on a Horizontal Disc: Part 2—Experiments ." ASME. J. Heat Transfer. April 2001; 123(2): 285–293. https://doi.org/10.1115/1.1345890
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