Experimental Investigation on Nanofluids Effectiveness on Heat Transfer in Oscillating Heat Pipe

Hamid R. Goshayeshi; Ali Khosravi; Mehdi Abedpour Karizaki

doi:10.4028/www.scientific.net/AMR.856.98

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 856Experimental Investigation on Nanofluids...

Experimental Investigation on Nanofluids Effectiveness on Heat Transfer in Oscillating Heat Pipe

Abstract:

An experimental investigation of the oscillatory flow and heat transfer in a vertical oscillating heat pipe (OHP) was conducted. The oscillating heat pipe was made of a copper-glass tube. Flow inside the oscillating heat pipe at different heat loads was recorded by a high speed camera. Through this research, the authors investigated the effect of utilizing nanofluids on heat transfer amount in heat pipes. The employed nanofluids in this study were water-Fe₂O₃, water-SiO₂ and water-TiO₂ with various volumetric concentrations. The results show that after adding nanoparticles in the base fluid (here water) heat transfer rate increases significantly. It's also noteworthy, of the all applied nanofluids, water-TiO₂ mixture presents the best enhancement in heat transfer amount.

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Periodical:

Advanced Materials Research (Volume 856)

Pages:

98-102

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.856.98

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Online since:

December 2013

Authors:

Hamid R. Goshayeshi, Ali Khosravi, Mehdi Abedpour Karizaki

Keywords:

Heat Pipes, Heat Transfer, Nanofluid, OHP

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