Xian Aerospace Propulsion Test Technique Institute

Fengcheng, China

Xian Aerospace Propulsion Test Technique Institute

Fengcheng, China
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Han W.,Xian Aerospace Propulsion Test Technique Institute | Shan S.-Q.,Xian Aerospace Propulsion Test Technique Institute | Du Z.-G.,Xian Aerospace Propulsion Test Technique Institute | Yu X.-L.,Xian Aerospace Propulsion Test Technique Institute | And 3 more authors.
Hanneng Cailiao/Chinese Journal of Energetic Materials | Year: 2014

By the minimum free energy method, the thermodynamic properties of the acetylene-ammonia propellant with different content of acetylene, and six propellants of liquid oxigen (LOX) with acetylene-ammonia, rocket kerosene, CH4, etc were calculated and analyzed. Results indicate that the acetylene-ammonia propellant with acetylene content of 25% is best in aspect of the specific impulse and security. When the ratio of the chamber pressure to nozzle exit pressure is 180:1, and ratio of the nozzle exit area to nozzle throat area is 35:1, the theoretical equilibrium specific impulse of LOX/acetylene-ammonia is 372.63 s, which is higher than that of LOX/rocket kerosene.

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