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首页> 外文期刊>International Journal of Aerodynamics >Hysteresis phenomena associated with shock waves interference in steady hypersonic flow
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Hysteresis phenomena associated with shock waves interference in steady hypersonic flow

机译：稳定高超声速流中与冲击波干扰有关的磁滞现象

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If an oblique shock wave encounters a wall, two reflection types are possible. According to the inclination of the shock, with respect to the incoming flow, the resulting configuration is either a regular reflection (RR) or a Mach reflection (MR). At Mach number higher than 2.2, both reflections are theoretically possible for some incidence angles. This range is known as the dual-solution domain, and its existence led to hypothesise an hysteresis in the RR-MR transition. In order to study this phenomenon, experimental investigations and numerical simulations have been performed. The first part of this article deals with the experimental and numerical tools which were used. The second part presents the results. According to the experimental configurations, the hysteresis may be obtained in two ways. The flow Mach number being kept constant (Mach 10) in the wind tunnel used (ONERA R3Ch WT), this phenomenon is obtained by variation of the aspect ratio or by variation of the incidence angle.
机译：如果倾斜冲击波遇到墙壁，则可能有两种反射类型。根据冲击的倾斜度，相对于进入的流量，最终的构造是正反射（RR）或马赫反射（MR）。当马赫数大于2.2时，对于某些入射角，两种反射在理论上都是可能的。该范围称为双重解决方案域，其存在导致假设RR-MR过渡存在滞后现象。为了研究这种现象，已经进行了实验研究和数值模拟。本文的第一部分介绍了所使用的实验和数值工具。第二部分介绍结果。根据实验配置，可以以两种方式获得磁滞。在使用的风洞（O​​NERA R3Ch WT）中，流动马赫数保持恒定（10马赫），这种现象是通过改变纵横比或改变入射角而获得的。

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