| 空气压强对激光推进器冲量耦合系数影响 |
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| 引用本文： | 胡春波,程翔,何国强,姜立东,彭永林.空气压强对激光推进器冲量耦合系数影响[J].固体火箭技术,2007,30(2):90-93. |
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| 作者姓名： | 胡春波 程翔 何国强 姜立东 彭永林 |
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| 作者单位： | 西北工业大学航天学院,西安,710072 |
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| 基金项目： | 致谢：感谢装备指挥技术学院洪延姬、王军、文明、李修乾和崔村燕等同志在实验中提供的大量帮助. |
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| 摘 要： | 设计并加工了激光推进器实验模型,以空气为推进工质,利用脉冲式CO2激光器,研究了空气压强对激光推进器冲量耦合系数影响。实验结果表明,空气压强对激光推进器性能有显著影响。在文中实验条件下,当空气压强大于6 kPa时,激光推进器冲量耦合系数随压强减小而减少较慢;当空气压强小于6 kPa时,激光推进器冲量耦合系数随压强减小而减少很快。
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| 关 键 词： | 激光推进器 冲量耦合系数 空气压强 |
| 文章编号： | 1006-2793（2007）02-0090-04 |
| 收稿时间： | 2006-07-04 |
| 修稿时间： | 2006-09-18 |
Influence of air pressure on impulse coupling coefficient of laser thruster |
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| HU Chun-bo,CHENG Xiang,HE Guo-qiang,JIANG Li-dong,PENG Yong-lin.Influence of air pressure on impulse coupling coefficient of laser thruster[J].Journal of Solid Rocket Technology,2007,30(2):90-93. |
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| Authors: | HU Chun-bo CHENG Xiang HE Guo-qiang JIANG Li-dong PENG Yong-lin |
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| Abstract: | The experimental model of laser thruster was designed and made.Taking air as propulsion medium,the effect of pressure on impulse coupling coefficient of laser thruster was investigated by using impulse-ype carbon dioxide laser.The emperimental results show that pressure has significant effect on impulse coupling coefficient of laser thruster.Under the given emperimental condition,when pressure is more than 6 kPa,impulse coupling coefficient of laser thruster decreases slowly with the decrease of pressure;when pressure is less than 6 kPa,impulse coupling coefficient decreases fast with the decrease of pressure. |
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| Keywords: | laser thruster impulse coupling coefficient air pressure |
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