| 超音速进气道线性动力学 |
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| 引用本文： | 管彦深,杨新,顾左.超音速进气道线性动力学[J].航空学报,1988,9(1):91-96. |
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| 作者姓名： | 管彦深 杨新 顾左 |
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| 作者单位： | 西北工业大学
(管彦深，杨新)，西北工业大学(顾左) |
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| 摘 要： | Willoh提出的数学分析法需先给出计算点沿进气道流路各截面气流静态参数值后,才能计算小扰动下该计算点的线性动力学特性。本文提出了采用Palmer与王乃行的进气道简便静态特性计算法,以求取计算点下超音速段各道斜激波前、后气流静态参数值,再按一元、无粘、绝热、集总参数、管流求取亚音速段各截面的气流静态参数
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| 收稿时间： | 1987-05-30; |
LINEAR DYNAMICS OF SUPERSONIC INLET |
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| Guan Yanshen,Yang Xin and Ku Zuo.LINEAR DYNAMICS OF SUPERSONIC INLET[J].Acta Aeronautica et Astronautica Sinica,1988,9(1):91-96. |
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| Authors: | Guan Yanshen Yang Xin and Ku Zuo |
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| Institution: | Northwestern Polytechnical University |
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| Abstract: | This paper presents a linear mathematical model and method of digital simulation for supersonic inlet dynamics. A simplified steady-state mathematical model and a linear dynamic model of supersonic inlet are combined into an antegral one. Thus, it can be used to calculate the steady-state characteristics and to simulate the linear dynamic behavior of both axisymmetrical and two-dimensional supersonic inlets under certain operating conditions directly. The simulated dynamic responses of a NASA 48cm axisymmetrical and a NASA 2200cm two-dimensional supersonic inlets are quite agreeable with the experimental data. |
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| Keywords: | inlets dynamics digital simulation |
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