|Table of Contents|

Studies on crack extension in solid propellant(PDF)

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

Issue:
2012年05期
Page:
86-90
Research Field:
测控与试验
Publishing date:

Info

Title:
Studies on crack extension in solid propellant
Author(s):
HU Song-qi1;  ZHOU Yan-xing2;  LIU Ying-ji1;  CHEN Jing1
1. Northwestern Polytechnical University, Xi’an 710072, China;
Keywords:
solid propellant;  crack extension;  pressure boost rate;  convective
PACS:
V512
DOI:
-
Abstract:
The research status of the crack extension in solid propellant at home and abroad are introduced. Experimental study and theoretical analysis of the crack extension in solid propellant are summarized. The advantages and disadvantages of such study are analyzed. The influences of various factors on crack extension in solid propellant are generalized. The results show that the tension machine and high-speed photography are main means for studying the mechanics characteristic of propellant with crack, and the combustion property of propellant and the extension of crack; the working pressure in combustion chamber, pressure boost rate, style and size of crack, and burning rate of propellant are the important factors for the crack extension in solid propellant. It is pointed out that it is necessary to research the quantitative relationship between various factors and crack extension.

References:

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Last Update: 1900-01-01