Study on Instable Combustion of Solid Rocket Motor with Finocyl Grain |
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Authors: | HU Da-ning HE Guo-qiang LIU Pei-jin WANG Zhan-li |
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Affiliation: | 1. Northwestern Polytechnical University, Xi' an 710072, Shaanxi, China; 2. The 210th Institute of Second Academy, China Aerospace Science and Industry Corporation, Xi' an 710065, Shaanxi, China) |
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Abstract: | The instable combustion or oscillation combustion which occurs in three high capacity solid rocket motors using high energy composite propellant with finocyl grain is studied. The reasons of the acoustic combustion instability are also discussed. Three engineering methods that can eliminate combustion instability are proposed and discussed. The study shows that the combustion instability mainly depends on the propellant grain shape and nozzle structure. Some measures to reduce the acoustic energy and mass g... |
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Keywords: | propulsion system of aviation & aerospace solid rocket motor finocyl grain combustion instability |
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