期刊
EXPERIMENTAL THERMAL AND FLUID SCIENCE
卷 74, 期 -, 页码 265-270出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.expthermflusci.2016.01.003
关键词
Closed loop oscillating heat pipe; Ferrofluid; Magnetic field; Inclination angle
资金
- Mashhad Islamic Azad University [62115]
- High Impact Research Grant (Faculty of Engineering), University of Malaya, Malaysia [UM.C/HIR/MOHE/ENG/23]
This paper elaborates on the findings of study on the effect of Fe2O3/Kerosene nanofluid to the copper closed-loop oscillating heat pipe under the magnetic field for inclination angles ranging from 0 degrees to 90 degrees, under different heat inputs (10-90 W). The heat pipe's heat transfer coefficient was measured without and with the magnetic field. Moreover, the vapor temperature was assessed directly at the center of the oscillating heat pipe by exposing the ferro-nano particles to a magnetic field. It was shown that Fe2O3 nanoparticles could improve the thermal resistance and subsequently thermal performance as well as the pipe's heat transfer coefficient, especially under the magnetic field. The heat pipe's heat transfer coefficient increased as the input heat flux increased. The results also demonstrated that the heat pipe's inclination angle had a significant effect on performance of heat pipe. The critical angle was 75 degrees as the heat transfer coefficient increased due to higher inclination angle. (C) 2016 Elsevier Inc. All rights reserved.
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