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Thinking about thrust and resistance characteristics of RBCC power system adapting to rectangle section flow passage(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2014年02期
Page:
90-94
Research Field:
推进剂与燃料
Publishing date:

Info

Title:
Thinking about thrust and resistance characteristics of RBCC power system adapting to rectangle section flow passage
Author(s):
ZHANG Meng-zheng;  LI-Bin;  LU Yuan-yuan
Xi’an Aerospace Propulsion Institute, Xi’an 710100, China
Keywords:
-
PACS:
V434-34
DOI:
-
Abstract:
The thrust/resistance characteristics of RBCC power system adapting to rectangle section flow passage and its influence factors are analyzed. The thrust and resistance of RBCC power system consist of inlet wind resistance and lift, rocket engine thrust, ramjet combustion chamber wind resistance and thrust that produced by gas pressure on flow passage wall, as well as nozzle thrust and lift. The chief factors that affect RBCC power system thrust and resistance are air inlet configuration and wind area, structure and dimension of pylon/cavity, molding surface and divergence angle of combustion chamber, and configuration of nozzle as well. Besides, the thrust and resistance are affected by dynamic pressure and viscosity of incoming flow, gas form and ramjet combustion efficiency. To improve thrust performance of RBCC, all units (inlet, rocket, pylon, cavity and nozzle) should be

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