Heat Transfer Performance of Oscillating Heat Pipe with Ethanol and Methanol Working Fluid with Different Inclinations for Heat Recovery Application

Winarta, Adi and Putra, Nandy Setiadi Djaya and Artono Koestoer, Raldy and Sunjarianto Pamitran, Agus and Hakim, Imansyah Ibnu (2019) Heat Transfer Performance of Oscillating Heat Pipe with Ethanol and Methanol Working Fluid with Different Inclinations for Heat Recovery Application. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 57 (2). pp. 148-157. ISSN 2289 - 7879

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Abstract

In this paper, the experimentally research about the heat transfer characteristic of the OHP using methanol and ethanol working fluid for heat recovery implementation. The OHP was manufactured with leff of approximately 500 mm, which is not typically used in previous OHP data experimental tests. The results of this experimental data will provide more experimental data for the characteristic behaviour of PHP as heat recovery design. It was found that methanol working fluid has a lower temperature difference between evaporator and condenser which is lower than ethanol. There was no significant difference in changes in methanol inclination and OHP ethanol to the phenomenon of temperature fluctuations that occur in the initial heat supply. The increase in heat supply increases the thermal conductivity of OHP in all working fluids and inclination. In the average initial heat supply, effective thermal conductivity ranged from 844.5 to 1100.43 W/mK. Ethanol in the 60° inclination has the highest thermal conductivity in the initial heat supply. At a maximum heat supply (76 watts), methanol at 90° inclination has a maximum thermal conductivity of 13,586 W/mK or 35.2 times solid thermal copper conductivity. Overall, OHP Methanol has the capability of heat transfer better than ethanol.

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