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Heat-transfer characteristics of the top heat mode closed-loop oscillating heat pipe with a check valve (THMCLOHP/CV)

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

The aim of this study is to investigate the heat-transfer characteristics of a top heat mode closed-loop oscillating heat pipe with a check valve (THMCLOHP/CV). Water and ethanol are used as the working fluids at various working temperatures. The results show that the specific heat flux increases significantly when the working temperature increases and when the aspect ratio of the evaporator length L e to the pipe diameter d decreases for the pipe filling ratio varying from 30 to 80%. The maximum specific heat flux equal to 786.34 W/m2 is reached with the use of ethanol as the working fluid at L e /d = 25, angle of inclination to the horizontal axis 90°, and filling ratio of 80%.

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References

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Authors and Affiliations

  1. Mahasarakham University, Mahasarakham, 44150, Thailand

    N. Bhuwakietkumjohn, S. Rittidech & A. Pattiya

Authors
  1. N. Bhuwakietkumjohn
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  2. S. Rittidech
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  3. A. Pattiya
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Correspondence to S. Rittidech.

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Russian Text © N. Bhuwakietkumjohn, S. Rittidech, and A. Pattiya.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 53, No. 2, pp. 91–98, March–April, 2012.

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Bhuwakietkumjohn, N., Rittidech, S. & Pattiya, A. Heat-transfer characteristics of the top heat mode closed-loop oscillating heat pipe with a check valve (THMCLOHP/CV). J Appl Mech Tech Phy 53, 224–230 (2012). https://doi.org/10.1134/S0021894412020101

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  • DOI: https://doi.org/10.1134/S0021894412020101

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