Nonlinear combustion instability analysis method of solid rocket motor

被引：0
|
作者：
Liu, Pei-Jin [1 ]
Wei, Shao-Juan [1 ]
Yang, Shang-Rong [1 ]
机构：
[1] Science and Technology on Combustion, Internal Flow and Thermal-Structure Laboratory, Northwestern Polytechnical University, Xi'an 710072, China
来源：
Guti Huojian Jishu/Journal of Solid Rocket Technology | 2013年 / 36卷 / 03期
关键词：
Calculation programs - Calculation results - Combustion characteristics - Combustion instabilities - Experimental datum - Nonlinear instability - Prediction methods - Solid rocket motors;
D O I：
10.7673/j.issn.1006-2793.2013.03.004
中图分类号：
学科分类号：
摘要：
A nonlinear instability prediction method based on energy balance theory was derived to predict nonlinear combustion characteristics of solid rocket motor: limit cycle and DC shift. A cylindrical solid rocket motor was selected to construct the physical and mathematical model. Blomshield's stability testing was chosen to validate the model and calculation program. The calculation results agree well with the experimental data in a certain degree. The sensitivity of important parameters such as chamber radius and burning rate was analyzed to study their effects on the instability of the motor.
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页码：302 / 309
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