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�������պ����ѧѧ�� 2005, Vol. 31 Issue (06) :627-631    DOI:
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���ϼ�1, �Ź���1, ������1, ��ʥ��2*
1. �������պ����ѧ �ѧԺ, ���� 100083;
2. �������춯���о���, ���� 100074
Research on synchronistic multi-ignitions of hydrogen-oxygen resonance ignitor
Yu Nanjia1, Zhang Guozhou1, Song Yana1, Cheng Shengqing2*
1. School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2. Beijing Aerospace Propulsion Institute, Beijing 100074, China

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Abstract�� New hydrogen-oxygen resonance igniter is designed to use in synchronistic multi-ignition for aerospike nozzle engine. Ignition start time, delay time, repetition of multi-ignition and lifetime of igniter are tested. It can be found from performance tests that the new hydrogen-oxygen resonance igniter with quick starting, short time delay for ignition, good repetition and long life time. Two igniters are used in every synchronistic ignition tests. The pipeline’s influence to synchronization is analyzed. Two ways are put forward for shorten the time difference of synchronistic. It can be concluded from total 5 times synchronistic ignition tests that the new hydrogen-oxygen resonance igniter can satisfy the requirements of synchronistic multi-ignition for aerospike nozzle engine and other liquid propellant rocket engines which need synchronistic multi-ignition.
Keywords�� resonance   ignition   synchronization   liquid propellants   rocket engine     
Received 2004-01-13;
About author: ���ϼ�(1974-),��,�㽭����,��ʿ��, ynj@buaa.edu.cn.
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���ϼ�, �Ź���, ������, ��ʥ��.����г����������ͬ������о�[J]  �������պ����ѧѧ��, 2005,V31(06): 627-631
Yu Nanjia, Zhang Guozhou, Song Yana, Cheng Shengqing.Research on synchronistic multi-ignitions of hydrogen-oxygen resonance ignitor[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(06): 627-631
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