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Experimental Study on Structured Surfaces for Nucleate Pool Boiling Enhancement

[+] Author Affiliations
Vishal V. Nirgude, Mayank Modak, Avadhesh K. Sharma, Santosh K. Sahu

Indian Institute of Technology Indore, Indore, India

Paper No. ICONE25-67287, pp. V009T15A043; 7 pages
doi:10.1115/ICONE25-67287
From:
  • 2017 25th International Conference on Nuclear Engineering
  • Volume 9: Student Paper Competition
  • Shanghai, China, July 2–6, 2017
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5787-8
  • Copyright © 2017 by ASME

abstract

In the present experimental study an attempt has been made to study the boiling heat transfer characteristics of variety of enhanced surfaces. Three different copper test surfaces: polished copper and two structured surfaces were used in the present investigation. The heat transfer performance of each surface is studied under saturated pool boiling conditions at atmospheric pressure by using water and isopropyl as pool liquid. The effect of intersecting tunnel geometry with 0.5 mm and 1 mm depth on heat transfer performance has been studied. The comparison of heat transfer coefficient indicates that the intersecting tunnel structure enhanced the boiling heat transfer performance and reduced the wall superheat at given heat flux inputs.

Copyright © 2017 by ASME

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