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Numerical Simulation of the Interactions Between High-Pressure Waterjet and HTPB Propellant
Author(s): 
Pages: 266-270
Year: Issue:  3
Journal: Transactions of Beijing Institute of Technology

Abstract: 为研究丁羟推进剂在高压水射流作用下的点火机理,采用LS-DYNA软件和Euler算法,对高压水射流冲击丁羟推进剂的相互作用过程进行数值模拟.分析了不同水射流速度和直径下丁羟推进剂的压力变化,得到了不同组成的丁羟推进剂的冲击起爆判据.高氯酸铵(AP)和二茂铁含量越高的推进剂,冲击起爆的临界值越低.数值模拟结果与理论分析结果具有很好的一致性.
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