Abstract

The overexpanded supersonic jet, formed under the overexpanded condition at the nozzle exit, is very important for industrial devices, the same way as an underexpanded jet. It has been reported, in a recent study, that hysteresis phenomena for the shock reflection type in a three-dimensional supersonic jet occur under the quasi-steady flow. Several papers have described the hysteresis phenomena for underexpanded supersonic jet. However, the characteristics and mechanism of the hysteresis should be discussed more clearly to understand this phenomenon. The purpose of this study is to clear the characteristic of the hysteresis phenomena for the reflection type of shock wave at the overexpanded axisymmetric jet using the TVD method.

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