Physics
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jpnt.confrr...p&link_type=abstract
AIAA, SAE, ASME, and ASEE, Joint Propulsion Conference and Exhibit, 28th, Nashville, TN, July 6-8, 1992. 24 p.
Physics
Pressure Gradients, Propellant Tests, Solid Propellant Ignition, Solid Propellant Rocket Engines, Cold Flow Tests, Modulus Of Elasticity, Propellant Grains, Titan Launch Vehicles
Scientific paper
Results are presented of a test program designed to determine the effective modulus of the Titan propellant during and immediately after the ignition event in the Hercules Lightweight Analog Motor (LAM), together with the details of experiments. The results show that the coupling between the structural response of the propellant and the hydrodynamic-forcing function was typical of that seen in the full-scale Titan IV SRMU PQM-1 motor. The results showed that the PQM-1 motor was unstable and led to the redesigning of the SRMU. The inherent stability of the redesigned SRMU was demonstrated by overtesting it at unrealistically high pressure drops.
Christensen Leon W.
Daines Weldon L.
Purcell Steven P.
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