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�������պ����ѧѧ�� 2002, Vol. 28 Issue (4) :424-427    DOI:
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Wall Pressure Distribution Induced by Saw-Tooth Flap
ZHANG Pan-feng, WANG Jin-jun, LI Ya-chen*
Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

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Abstract�� Wall pressure distribution induced by the saw-tooth flap has been investigated with electronic pressure scanner in wind tunnel. The results showed that the shear layer of the saw-tooth flap separated at x/h=(6 upstream and reattached at x/h≈20 downstream, which is the same with the plate flap; The transverse location of the flap has little influence on the mean pressure distribution, and the distribution of pressure fluctuation along the saw-tooth groove is greater than that along the saw-tooth tip; The saw-tooth can block the flow and much more effectively reduce the pressure fluctuation downstream.
Keywords�� flow separation   saw-teeth   pressure distribution   flow reattachment   flap     
Received 2000-11-13;
About author: ���ʷ�(1978-),��,�����人��,˶ʿ��,100083,����.
���ʷ�, ������, ���dz�.���������Ƭ�Ա���ѹ���ֲ���Ӱ��[J]  �������պ����ѧѧ��, 2002,V28(4): 424-427
ZHANG Pan-feng, WANG Jin-jun, LI Ya-chen.Wall Pressure Distribution Induced by Saw-Tooth Flap[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(4): 424-427
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2002/V28/I4/424
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