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首页> 外文会议>2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana >EXPLORATORY STUDIES ON THE CONTROL OF HIGH-SPEED FLOWS WITH MAGNETOGASDYNAMICS
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EXPLORATORY STUDIES ON THE CONTROL OF HIGH-SPEED FLOWS WITH MAGNETOGASDYNAMICS

机译：磁气动力学控制高速流动的探索性研究

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摘要

Magnetogasdynamics (MGD) has the potential to lift many of the constraints presently inhibiting sustained hypersonic flight and affordable access to space. Given the difficulty of ground-testing under the expected harsh conditions, numerical methods can provide insight into the physical phenomena, and thus complement experimental investigations in the development of future concepts. This paper describes the status of an effort to develop a high-fidelity, fully three-dimensional method to explore MGD flow control in complex configurations. The theoretical model includes several non-ideal effects and takes recourse to a blend of first principles and phenomenological approaches to enhance simulation efficiency. Boundary conditions are summarized and sample verification exercises are presented. Exploratory calculations on a reentry vehicle and flow-through scramjet flowpath with MGD-bypass demonstrate the versatility of the approach and yield insight into dominant flow control mechanisms.
机译：磁气动力学（MGD）有可能解除目前限制持续超音速飞行和负担得起的太空通道的许多限制。考虑到在预期的苛刻条件下进行地面测试的困难，数值方法可以提供对物理现象的洞察力，从而补充了未来概念发展过程中的实验研究。本文介绍了开发高保真，全三维方法以探索复杂配置中的MGD流量控制的工作现状。理论模型包括几种非理想的影响，并求助于将第一原理和现象学方法相结合以提高仿真效率。总结了边界条件，并提出了样本验证练习。对带有MGD旁路的再入飞行器和直通式超燃冲压流路的探索性计算证明了该方法的多功能性，并能深入了解主流的流量控制机制。

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