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�������պ����ѧѧ�� 2001, Vol. 27 Issue (5) :569-572    DOI:
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Experimental Study on Film Cooling at Rotating Flat Blade Tip
WU Hong-wei, DING Shui-ting, CAO Yu-zhang, TAO Zhi*
Beijing University of Aeronautics and Astronautics, Dept. of Propulsion

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Abstract�� The governing conservation equations were non-dimensionalized according to the theory of similarity, a series of analogous criteria were obtained to study rotating film cooling. The rotating components of film cooling were designed and set up. A series of problems, such as signal transfer between rotational and station systems without loss of accuracy, were trickled successfully. Extensive amount of experimental data were obtained to determin film cooling effectiveness and its heat transfer coefficient. The linearity of the heat transfer coefficient and dimensionless temperature ratio was driven. Experimental correlations of the film cooling effectiveness and its heat transfer coefficient at rotating flat blade tip were formulated.
Keywords�� rotary models   gasfilms   heat transfer     
Received 2000-03-02;
About author: ���ΰ(1974-),��,ɽ��������,��ʿ��,100083,����.
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���ΰ, ��ˮ͡, �����, ����.��תƽ����Ҷ����Ĥ��ȴʵ���о�[J]  �������պ����ѧѧ��, 2001,V27(5): 569-572
WU Hong-wei, DING Shui-ting, CAO Yu-zhang, TAO Zhi.Experimental Study on Film Cooling at Rotating Flat Blade Tip[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2001,V27(5): 569-572
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