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�������պ����ѧѧ�� 2009, Vol. 35 Issue (6) :779-782    DOI:
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Effect of different clapboards structure in turbine blade trailing edge complex passages on flow characteristics
Ding Shuiting, Li Guo, Li Li, Wang Yong*
National Key Laboratory on Aero-Engines, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The experiment mainly conducted the effect of two different structure diaphragm plates in the complex passages on heat transfer of turbine blade trailing edge. A laser bean irradiated the passages and a low-motion vidicon screened the particle-s flow in second pass passage. Comparison the flow was made among two kinds of diaphragm plates: rectangular diaphragm plates(RDP), 120° waved diaphragm plates(WDP) in the complex passages of turbine blade trailing edge. It was found that both these two diaphragm plates influence the flow, and the WDP has a special oscillation pulsating flow effect in the second passage. For WDP, the ��Re�� has fierceness influence. The oscillation effects enhance along with the ��Re�� change.
Keywords�� turbine trailing edge   patch lamp-house   low-motion vidicon   diaphragm plates   oscillation effect     
Received 2008-05-26;
About author: ��ˮ͡(1967-),��,����������,����,dst@buaa.edu.cn.
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��ˮ͡, �� ��, �� ��, �� ��.����ҶƬβԵ����ͨ������ṹ��������Ӱ��[J]  �������պ����ѧѧ��, 2009,V35(6): 779-782
Ding Shuiting, Li Guo, Li Li, Wang Yong.Effect of different clapboards structure in turbine blade trailing edge complex passages on flow characteristics[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(6): 779-782
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2009/V35/I6/779
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