双级延伸喷管动特性数学模型的建立

推进技术 ›› 1998, Vol. 19 ›› Issue (4): 70-73.

双级延伸喷管动特性数学模型的建立

阎德元,张彦雨,张景升,张筱红

北京航空航天大学机械设计系;北京航空航天大学机械设计系;北京航空航天大学机械设计系;北京航空航天大学机械设计系

发布日期:2021-08-15

ESTABLISHMENT OF THE KINEMATICS PROPERTIES OF DOUBLE EXTENDIBLE NOZZLE

Dept.of Mechanical Design,Beijing Univ.of Aeronautics and Astronautics,Beijing,100083;Dept.of Mechanical Design,Beijing Univ.of Aeronautics and Astronautics,Beijing,100083;Dept.of Mechanical Design,Beijing Univ.of Aeronautics and Astronautics,Beijing,100083;Dept.of Mechanical Design,Beijing Univ.of Aeronautics and Astronautics,Beijing,100083

Published:2021-08-15

摘要/Abstract

摘要： 讨论了双级延伸喷管的动特性，确定了贮气瓶内压强、放气时间与延伸喷管运动参数之间的关系，建立了通用的数学模型，为供气系统和延伸喷管各部件的设计提供了理论依据。

关键词: 可延伸喷管;供气系统;数学模型

Abstract: Analyses of kinematics of double extendible nozzle and properties of actuating system are presented.The relations of pressure and expanding time of gas cylinder and motion data of expanding cone are approached.A general purpose mathematical model is built.It provides the reliable theoretical basis for actuating system desing and dynamics analysis of the parts

Key words: Extension nozzle;Air supply system;Mathematical model

阎德元,张彦雨,张景升,张筱红. 双级延伸喷管动特性数学模型的建立[J]. 推进技术, 1998, 19(4): 70-73.