推进技术 ›› 1995, Vol. 16 ›› Issue (2): 26-30.

• • 上一篇    下一篇

提高火药燃气驱动冲击式涡轮效率的途径探讨

张远君,刘竹莹   

  1. 北京航空航天大学宇航学院;航天工业总公司11所;北京航空航天大学宇航学院;航天工业总公司11所
  • 发布日期:2021-08-15

A RESEARCH TO INCREASE EFFICIENCY OF IMPULSE TURBINE DRIVEN BY PYROTECHNICAL GAS

  1. The 11th Research Institute, Beijing, 100076;The 11th Research Institute, Beijing, 100076
  • Published:2021-08-15

摘要: 探讨了以火药燃气作为工质的运载火箭中所用的冲击式涡轮效率提高的途径。给出了具有小反力度冲击式涡轮效率的计算方法和火药燃气中含有微粒流时冲击式涡轮效率的选代计算方法。对四种情况下计算结果进行了对比分析。计算结果与试验结果符合良好。

关键词: 化学火箭发动机;燃气发生器;涡轮;效率方程;数值计算

Abstract: A study on the way to increase efficiency of impulse turbine is presented.An approach method is applied to calculate efficiency of impulse turbine even in low reaction degree conditions’ The effect of working substance which contains solid praticles on the turbine efficiency is also investigated.The numerical results shown a good accordance with the experimental data under four conditions.

Key words: Chemical rocket engine;Gas generator;Turbine;Efficiency equation;Numerical calculation