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�������պ����ѧѧ�� 2004, Vol. 30 Issue (08) :739-743    DOI:
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л����, �ཨ��, ������, ����*
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Experimental study on single-phase flow and heat transfer for FC-72 in rectangular microchannels
Xie Yongqi, Yu Jianzu, Zhao Zenghui, Qin Yan*
School of Aeronautic Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� The microchannel heat sink provides an efficient method to solve thermal control problems of the aviation electronic components. The experiment of single-phaseflow and forced convective heat transfer was carried out with FC-72 which was agood prospective electronic cooling fluid. Four rectangular microchannel heat sinks were used which had different structural parameters. The influences of liquid velocity, supercooling temperature and microchannel structures were analyzed. The correlations of single-phase flow resistance and forced convective heat transfer were given, and the uncertainty for experiment data was evaluated. The results show that the single-phase forced convective heat transfer characteristic of FC-72, flowing in rectangular microchannel heat sinks, can satisfy the heat dissipation requirements of middle or high flux for electronic devices.
Keywords�� forced convection   heat transfer   correlation   microchannel     
Received 2003-05-14;


About author: л����(1979-),��,���Ͽ�����,��ʿ��, xieyqi@sohu.com.
л����, �ཨ��, ������, ����.����΢����FC-72�ĵ��������ͻ���ʵ���о�[J]  �������պ����ѧѧ��, 2004,V30(08): 739-743
Xie Yongqi, Yu Jianzu, Zhao Zenghui, Qin Yan.Experimental study on single-phase flow and heat transfer for FC-72 in rectangular microchannels[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(08): 739-743
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