Accession Number : AD0863072

Title :   Final Report for Phase II,

Corporate Author : AUBURN UNIV AL DEPT OF MECHANICAL ENGINEERING

Personal Author(s) : Aderholdt, R. W. ; Jones, E. O., Jr. ; Ranson, W. F. ; Swinson, W. F.

Report Date : 02 OCT 1969

Pagination or Media Count : 30

Abstract : A summary is given of research concerned with the experimental investigation of the stresses developed in a solid fuel rocket motor when subjected to different loading conditions. Also, a detailed report is given of a study involving scattered light photoelasticity used to determine the stress distribution in a three dimensional, solid propellant rocket motor. The model was a case bonded solid propellant with a star grain internal boundary. Stresses were induced by both internal pressure and a uniform temperature change. The uniform temperature change simulated the shrinkage stresses imposed on actual propellants in storage. The pressure load simulated part of the loads developed in firing a rocket. The model material was polyurethane rubber which is similar to the binder material in actual rockets. The model construction and data analysis are discussed in detail, and the results are presented in graphical form. (Author)

Descriptors :   (*SOLID PROPELLANT ROCKET ENGINES, PROPELLANT GRAINS), (*PROPELLANT GRAINS, STRESSES), SOLID ROCKET PROPELLANTS, PHOTOELASTICITY, GAS LASERS, SOLID ROCKET PROPELLANT BINDERS, STRAIN(MECHANICS), ROCKET MODELS, SHEAR STRESSES, MATHEMATICAL ANALYSIS.

Subject Categories : Mechanics
      Solid Rocket Propellants

Distribution Statement : APPROVED FOR PUBLIC RELEASE