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�������պ����ѧѧ�� 2010, Vol. 36 Issue (9) :1013-1016    DOI:
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�˺���, ̷ ��, ������, �� ��*
�������պ����ѧ ���շ��������������ص�ʵ����, ���� 100191
Flow and heat transfer in the complex passages of turbine blade trailing edge
Deng Hongwu, Tan Yan, Wang Jiaren, Luo Xiang*
National Key Laboratory on Aero-Engines, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� Experimental method was used to study the characteristics of heat transfer and flow resistance in turbine blade trailing edge complex passages. This experiment use vapor heating method, and this method could make the experimental model have equivalent wall temperature boundary condition. The experiment models conduct the structure of the pin-fin arrays, micro channels and the diaphragm plate. The pin-fin arrays, micro-channels and the rectangular diaphragm plate, the waved diaphragm plate diaphragm plate were respectively combined. The outside wall was divided into ten regions to get the local heat transfer coefficient. When the ��Re�� was 10�Z000~60�Z000, the results shows that the structure with the worst general heat transfer performance is rectangular diaphragm plate plus optical channel, the structure with the best general heat transfer performance is the waved diaphragm plate plus micro-channels.
Keywords�� micro-channels   pin-fin arrays   diaphragm plate   heat transfer   turbine blade trailing edge     
Received 2009-07-06;


About author: �˺���(1973-),��,����������,������,Denghw@huaa.edu.cn.
�˺���, ̷��, ������, ����.����ҶƬβԵ����ͨ���������뻻��[J]  �������պ����ѧѧ��, 2010,V36(9): 1013-1016
Deng Hongwu, Tan Yan, Wang Jiaren, Luo Xiang.Flow and heat transfer in the complex passages of turbine blade trailing edge[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(9): 1013-1016
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