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Date of Publication:2014-01-01

Journal:航空兵器

Affiliation of Author(s):运载工程与力学学部

Issue:5

Page Number:28-31

ISSN No.:1673-5048

Abstract:The flowfield of thrust vector control by injection of hot gas bled from rocket motor is sim-ulated.The mass flow rate and thrust of injection are calculated by changing the throat area and the tube diameter.Calculation results show that the injection bled from motor do not affect the pressure and tem-perature in chamber evidently.The proportion of throat area of tube is the key parameter affecting the pro-portion of mass flow rate and thrust of injection, which slightly less than that of the throat area of injection tube.Injection bled from motor will reduce the main thrust apparently.

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