OPTIMIZATION OF THE PDE OPERATING REGIME

V. A. Levin; I. S. Manuylovich; V. V. Markov

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OPTIMIZATION OF THE PDE OPERATING REGIME

机译：PDE操作方案的优化

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The flow induced by the propagation of a detonation wave in an axisymmetric channel is considered. Dependencies of average impulse and average specific impulse on lateral wall form are investigated for the stage up to the moment when the detonation wave exits the channel. For the asymptotic self-similar solution in the case of a conic wall, the cone apex angle corresponding to the average impulse maximum has been found. In another not self-similar case, numerical simulations based on the Godunov method have been performed for the class of parabolic walls. Walls that maximize average impulse and average specific impulse have been found. The problem can be considered as a model of pulse detonation engine operating cycle, which gives an estimation of its maximum possible thrust characteristics.

机译：考虑了由爆轰波在轴对称通道中传播引起的流动。在爆轰波离开通道之前的阶段，研究了平均冲量和平均比冲量对侧壁形状的依赖性。对于圆锥形壁情况下的渐近自相似解，已经找到了与平均脉冲最大值相对应的圆锥顶角。在另一种非自相似的情况下，已经针对抛物线墙类执行了基于Godunov方法的数值模拟。已经发现使平均冲量和平均比冲量最大化的壁。该问题可以看作是脉冲爆震发动机工作周期的模型，该模型可以估算出其最大可能推力特性。

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来源
《Combustion Science and Technology》 |2010年第12期|p.1672-1682|共11页
作者
V. A. Levin; I. S. Manuylovich; V. V. Markov;
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作者单位

Institute of Mechanics of the MSU, Moscow, Russia;

Institute of Mechanics of the MSU, Michurinsky pr., 1, Moscow, 119192, Russia;

Institute of Mechanics of the MSU, Moscow, Russia;

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正文语种 eng
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detonation chamber; optimization; pulse detonation engine; thrust characteristics;

机译：爆震室优化;脉冲爆震发动机;推力特性;

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OPTIMIZATION OF THE PDE OPERATING REGIME

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