This paper deals with the results of an experimental investigation of a small laboratory hybrid motor performance using oxidizer particles embedded fuel. A uniform blend of hydroxyl terminated polybutadiene (HTPB) and a small amount of ammonium perchlorate (AP) have been used as the solid fuel. Hydrogen peroxide with mass concentration of 90% was used as liquid oxidizer. The presence of solid oxidizers on the evaporating surface of solid fuel results to a monopropellant combustion on the surface. It changes the burning mechanisms and interior ballistics of the motor. It causes the improvement in regression rate by factor of 2. It is also shown that adding some solid oxidizer reduces the required mass flow rate of liquid oxidizer.
Experimental investigation on the hybrid motor using HTPB/AP composite fuel and hydrogen peroxide oxidizer
2015
Article (Journal)
English
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