2349 不足膨張衝突噴流に及ぼす非平衡凝縮の影響(S46-5 圧縮性流れの基礎と応用(混相流),S46 圧縮性流れの基礎と応用)

概要

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The free jet impinging on a solid surface can be found in various engineering applications. These impinging jet flow fields are generally found to be extremely complex. The structure of impinging jet is dependent on the design Mach number, that is, nozzle geometry, nozzle pressure ratio, the distance between nozzle exit and flat plate, and so on. On the other hand, in the supersonic flow of an actual jet burner, a steam turbine cascade and various industrial jet technologies, condensable gas may be used as working gas. In these cases, the non-equilibrium condensation may occur at the region between the nozzle exit and an obstacle. The objective of this study is to clarify the effect of the non-equilibrium condensation of moist air on characteristics of the axisymmetric under-expanded air jet impinging on a vertical flat plate numerically.
社団法人日本機械学会の論文
2006-09-15