角度を持つ環状衝突噴流の研究 : 臨界角度と流れ場の基礎特性

概要

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The most important issue for the flow field of an angled annular impinging jet is whether or not the first critical distance exists. With decreasing distance between the angled annular nozzle and the impinged flat plate, the forward stagnation point formed on the impinged flat plate is abruptly changed to the reverse stagnation point at the first critical distance. Existence of the first critical distance also separates the flow field of the angled annular impinging jet from that of recirculating flow formed by the Coanda effect. This paper deals with the relationship between the first critical distance and the geometrical dimensions of the angled annular nozzle. As a result, the existence of a critical opening angle was established and fundamental characteristics of the flow field were elucidated.
一般社団法人日本機械学会の論文
1992-10-25