| OCR Text |
Show ABSTRACT A direct measurement solid-propellant Burning rate strands changes energy fluxes at the to secondary 15 to were focus of an were and the dynamic externally imposed elliptical obtained rates periodic The pressure. by use were The heat flux m and F are mass overbar denote of response stability rate of respondence a and (m'/rn) (p'/p) solid of these propellant two and flux levels Xenon-Mercury a photographic evolution rates mass the on strands. as respectively and the closely related which is in an The response functions was which flame front model assumptions of a was employed homogeneous, passive for the gas and was the pressure, to important engine. where prime to the p, combustion approximate cor- demonstrated by calculations based upon current transient combustion theories. sharp were A quartz- (m'/rn) (F'/F) steady-state quantities, is mounted at were micro-force transducer. and heat flux experment, function, a 5kw a function, defined response perturbed measured in this as strands obtained by variations in used was burning radiant heat flux. mirror system, detected by measurement of the recoil force crystal microphone response of determined for both steady and periodic Steady-state burning technique, made of the an atmospheric cal/(sec)(cm2) lamp. was phase, The and the usual solid with energy release at / the surface and an response functions Arrhenius type were calculated vii regression as a law were function of employed. Both the dimensionless |
