Model illustrating application of techniques employed is solid-propellant grain made of urethane rubber and case-bonded to relatively rigid transparent motor case, through which light beam can pass; transition from model to prototype stress is direct, since model material is similar to binder material in existing propellants; shrinkage stresses are induced by uniform temperature change simulating conditions imposed on propellants in storage; loaded propellant model is examined with polarized laser light source; resulting scattered fringe patterns and principal stress axes are used to evaluate stress distribution. (28528)
Scattered light photoelastic thermal stress analysis of solid-propellant rocket motor
J Spacecraft Rockets
Journal of Spacecraft and Rockets ; 5 , n 12
1968
6 pages
Article (Journal)
English
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Solid Propellant Rocket Motor Thermal Analysis
SAE Technical Papers | 1962
|Solid propellant rocket motor thermal analysis
Engineering Index Backfile | 1962
|