中国空间科学技术

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摩擦力和气体压力对双节套筒式喷管展开的影响

王成轩,刘伟方,苏成,邹锦术   

  1. 淮海工学院
  • 发布日期:1996-08-25

EFFECT OF FRICTION AND PRESSURE ON DEPLOYMENT CHARACTERISTICS OF A DOUBLE NESTED EXTENDED NOZZLE

Wang Chengxuan; Liu Weifang;Su Cheng;Zhou Jinshu(Huaihai Institute of Engineering, Lianyungang 222005)   

  • Online:1996-08-25

摘要: 分析计算了作动筒内摩擦力、延伸出口锥端面密封摩擦力、大气压力及喷管中燃气压力对双节套筒式延伸喷管展开特性的影响,其分析计算方法对双节套筒式延伸喷管设计及展开时间预估有指导作用。

关键词: 可延伸喷管, 套筒式结构, 摩擦阻力, 气体压力, 展开机构

Abstract: This paper analyses deployment chsracteristics of a double nested extended nozzle under the influence of friction of a actuator, sealing friction of extended cone, atmospheric pressure and pressure of combustible gas. The methods presented in this paper have a guide action on design of the extended nozzle and estimation of the deployment time.