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�������պ����ѧѧ�� 2012, Vol. Issue (2) :244-246    DOI:
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Testing of ignition delay of second pulse of soft-clapboard dual-pulse motor
Cao Xiwei, Ren Junxue, Wang Changhui, Liu Yu*
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� When doing the experiment of soft-clapboard dual-pulse motor, the delay time of the second pulse ignition was found exceeding the requirement. In order to improve the status, the experiments in terms of the quantity of ignition powder and the thickness of the soft-clapboard were carried out. The results show that increasing the ignition powder will promote the rupture of the clapboard and the release of the energy, and increasing clapboard thickness will not rupture the clapboard hopefully, and decrease the performance of motor. At last, according to the characteristic of the soft-clapboard dual-pulse motor, improving from the above two terms, the motor ignition can attain a good condition.
Keywords�� soft-clapboard   dual-pulse motor   ignition delay time   mass of ignition powder   clapboard thickness     
Received 2010-11-03;
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�����, �ξ�ѧ, ������, ����.�����˫���巢������������ӳ��������[J]  �������պ����ѧѧ��, 2012,V(2): 244-246
Cao Xiwei, Ren Junxue, Wang Changhui, Liu Yu.Testing of ignition delay of second pulse of soft-clapboard dual-pulse motor[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2012,V(2): 244-246
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2012/V/I2/244
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