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Analytical Estimation of Performance Parameters of an Ideal Pulse Detonation Engine

机译:理想脉冲爆震发动机性能参数的解析估计

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The cycle of an ideal pulse detonation engine (PDE) was theoretically analyzed. A PDE was modeled as a straight tube, one end of which was closed and the other end open. A detonation wave was ignited at the closed end and simultaneously started to propagate toward the open end. When the detonation wave broke out from the open end, a rarefaction wave started to propagate from the open end toward the closed end. We analytically obtained a functional form of the thrust-density history, showing a plateau followed by decay. Using the obtained history of the thrust density, we formulated some PDE performance parameters such as impulse density per cycle.
机译:理论上分析了理想脉冲爆震发动机(PDE)的周期。 PDE建模为直管,其一端是封闭的,另一端是开放的。爆炸波在封闭端被点燃,并同时开始向开放端传播。当爆震波从开口端爆发时,稀疏波开始从开口端向封闭端传播。我们通过分析获得了推力密度历史的一种函数形式,显示出一个平稳的平台,随后出现了衰减。使用获得的推力密度历史记录,我们制定了一些PDE性能参数,例如每个周期的脉冲密度。

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