| 补燃循环液体火箭发动机系统的响应特性研究 |
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| 引用本文： | 张黎辉,张振鹏.补燃循环液体火箭发动机系统的响应特性研究[J].航空动力学报,1999,14(4):425-428. |
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| 作者姓名： | 张黎辉 张振鹏 |
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| 作者单位： | 北京航空航天大学 |
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| 摘 要： | 以某大型泵压式补燃循环液体火箭发动机的输送系统为研究对象，构造了该系统的物理数学模型，并对其进行了大范围参数扰动以及工况调整过程的非线性动态特性仿真，计算方法采用自适应变步长的四阶龙格—库塔法。结果表明，所建数学模型较精确合理，计算方法满足模拟要求；计算结果对类似发动机的研制与改进提供了一定的指导意义
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| 关 键 词： | 液体推进剂火箭发动机 数学模型 动态特性 |
| 收稿时间： | 1998/11/1 0:00:00 |
| 修稿时间： | 3/1/1999 12:00:00 AM |
A STUDY ON SYSTEM RESPONSE FOR LIQUID PROPELLANT STAGED COMBUSTION CYCLE ROCKET ENGINE |
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| Zhang Lihui and Zhang Zhenpeng.A STUDY ON SYSTEM RESPONSE FOR LIQUID PROPELLANT STAGED COMBUSTION CYCLE ROCKET ENGINE[J].Journal of Aerospace Power,1999,14(4):425-428. |
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| Authors: | Zhang Lihui and Zhang Zhenpeng |
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| Institution: | 4th Dept.Beijing University of Aeronautics and Astronautics,Beijing 100083 |
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| Abstract: | A feeding system of a pump-fed Liquid Propellant Staged Combustion Cycle Rocket Engine (LPSCCRE) is taken as a research object.Its system physical model is constructed,and its nonlinear mathematical model is established.The nonlinear dynamic response of LPSCCRE is simulated with adaptive Runge-Kutta algorithm on the conditions of parameter variation and working regime regulation in wide range.Comparison of the obtained results with the test data shows that:The mathematical model is quite valid and calculation method meets the simulation requirements. |
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| Keywords: | Liquid propellant rocket engine Mathematical model Dynamic characteristic |
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