A numerical study is performed to investigate the effects of nanofluids on the heat transfer performance of a pulsating heat pipe (PHP). Pure water is employed as the base fluid while Al2O3 with two different particle sizes, 38.4 and 47 nm, is used as nanoparticle. Different parameters including displacement of liquid slug, vapor temperature and pressure, liquid slug temperature distribution, as well as sensible and latent heat transfer in evaporator and condenser are calculated numerically and compared with the ones for pure water as working fluid. The results show that nanofluid has significant effect on heat transfer enhancement of the system and with increasing volume fraction and decreasing particles diameter the enhancement intensifies.
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September 2013
Research-Article
Thermal Performance of an Al2O3–Water Nanofluid Pulsating Heat Pipe
Yuwen Zhang
Yuwen Zhang
1
e-mail: zhangyu@missouri.edu
Department of Mechanical and Aerospace Engineering,
Department of Mechanical and Aerospace Engineering,
University of Missouri
,Columbia, MO 65211
1Corresponding author.
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Yuwen Zhang
e-mail: zhangyu@missouri.edu
Department of Mechanical and Aerospace Engineering,
Department of Mechanical and Aerospace Engineering,
University of Missouri
,Columbia, MO 65211
1Corresponding author.
Contributed by the Electronic and Photonic Packaging Division of ASME for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received December 8, 2012; final manuscript received March 29, 2013; published online June 4, 2013. Assoc. Editor: Amy Fleischer.
J. Electron. Packag. Sep 2013, 135(3): 031005 (9 pages)
Published Online: June 4, 2013
Article history
Received:
December 8, 2012
Revision Received:
March 29, 2013
Citation
Reza Seyf, H., Kim, S., and Zhang, Y. (June 4, 2013). "Thermal Performance of an Al2O3–Water Nanofluid Pulsating Heat Pipe." ASME. J. Electron. Packag. September 2013; 135(3): 031005. https://doi.org/10.1115/1.4024145
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