Abstract: In this paper,the effects of different shapes of re-entry ducts,different match of re-entry duct with nozzle, and the influence of different exit angle of no- zzle, velocity and other factors on losses are studied.Then the optimum shape of re-entry duct and the optimum match of re-entry duct with nozzle are given.

Key words: Turbine;Inlet;Reusable equipment;Test;Research

摘要： 用小型涡轮取代蓄电池和高压气瓶作为导弹上的辅助能源是明显地发展趋势.重复进气涡轮能较好地适应这种辅助能源系统的要求.本文研究了涡轮的不同形状的重复进气道,及其与喷嘴的匹配,不同的喷嘴出口角、流速等因素对损失的影响,给出了在所研究的条件下最佳形状的重复进气道、喷嘴和重复进气道的最佳匹配.

关键词: 涡轮;进气道;重复使用设备;试验;研究