Al2O3沉积对发动机推力的影响
EFFECTS OF Al203 DEPOSIT ON PERFORMANCE OF SOLID PROPELLANT ROCKET ENGINE
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摘要: 含铝推进剂固体火箭发动机试验后,在喷管的内壁面经常发现一层沉积物。经成分分析,这层沉积物中95％以上是Al2O3,下面简称为Al2O3。沉积。Al2O3沉积对发动机内弹道性能、喷管烧蚀等带来多方面的影响。Abstract: The A1203 mass fraction collected from the interior surface of nozzle is correlated with the material of throat insert, combustion pressure and Al content in the propellant. The thrust loss resulted from A1203 deposition should be considered in performance prediction and has been calculated in this paper.
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