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�������պ����ѧѧ�� 2005, Vol. 31 Issue (08) :888-892    DOI:
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1. �������պ����ѧ �ѧԺ, ���� 100083;
2. �������춯���о���, ���� 100076
Investigation on head of novel chemical thruster for orbit maneuver
Song Yana1, Zhang Guozhou1, Zhou Wenlu2, Huang Xiang2*
1. School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2. Beijing Aerospace Propulsion Institute, Beijing 100076, China

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Abstract�� To develop light, reliable, sanitary space station maneuverable orbital transfer thruster, the novel gas dynamic resonance ignition method was applied. By means of thruster combustor design combined with coaxial hydrogen/oxygen resonance igniter investigation, method of using fuel-rich resonance ignition torch to further combust with the rest main part of oxygen downwards was adopted for the thruster head scheme. Through investigation on schemes of the thruster head configuration, structural schemes of the main oxygen injector were studied and determined. With respect to the key technique of short ignition response for orbital transfer thruster’s quick starts, several solving approaches were proposed, including: optimization of the resonance device structure, optimization of matches between the resonance dominating parameters, improvement on materials and timing adjustment of the ignition propellants etc. By greatly increasing its heating speed and energy gathering efficiency of the resonance device, the starting delay of the thruster was restricted in 0.2?s.
Keywords�� orbital transfer   liquid propellants rocket engine   ignition   resonance     
Received 2004-03-16;
Fund:

����863�ƻ�������Ŀ(863-704)

About author: ������(1980-),Ů,���������,��ʿ��, yana song@sina.com.
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������, �Ź���, ����», ����.��ӱ������컯ѧ���������ͷ���о�[J]  �������պ����ѧѧ��, 2005,V31(08): 888-892
Song Yana, Zhang Guozhou, Zhou Wenlu, Huang Xiang.Investigation on head of novel chemical thruster for orbit maneuver[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(08): 888-892
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