| 环形不稳定性计算模型在FY-20液体火箭发动机上的应用 |
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| 引用本文： | 原渭兰,庄逢辰,杨本濂.环形不稳定性计算模型在FY-20液体火箭发动机上的应用[J].航空动力学报,1988,3(2):149-152,189. |
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| 作者姓名： | 原渭兰 庄逢辰 杨本濂 |
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| 作者单位： | 海军航空工程学院
(原渭兰)，国防科技大学
(庄逢辰)，国防科技大学(杨本濂) |
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| 摘 要： | 本文用环形不稳定性计算模型计算、分析了FY-20液体火箭发动机的切向高频燃烧不稳定性。其结果与热试车结果是一致的。根据所得结果,为此发动机中安装径向隔板的必要性提供了理论依据井对稳定性不佳的液体火箭发动机提出了具体改进步骤及一些有效措施。
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| 收稿时间： | 8/1/1987 12:00:00 AM |
APPLICATION OF ANNULAR INSTABILITY MODEL TO FY-20 LIQUID PROPELLANT ROCKET ENGINE |
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| Yuan Weilan,Zhuang Fengchen and Yang Benlian.APPLICATION OF ANNULAR INSTABILITY MODEL TO FY-20 LIQUID PROPELLANT ROCKET ENGINE[J].Journal of Aerospace Power,1988,3(2):149-152,189. |
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| Authors: | Yuan Weilan Zhuang Fengchen and Yang Benlian |
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| Institution: | Naval Aeronautical Engineering Institute;National University of Defense Technology;National University of Defense Technology |
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| Abstract: | This paper presents computation and analysis of tangential mode of high frequency combustion instability in FY-20 liquid propellant rocket engine by means of the annular instability model. The results show that the tangential mode of high frequency unstable conbustion does not occur in the engine, that coincides with the experimental results. Concrete steps and some effective measures for improving the liquid propellant rocket engine which is weak in the tangential mode of high frequency stability are also described in the paper. |
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