液体噴流の壁面衝突によって形成される液膜の挙動に関する研究 : 第2報, 2噴流の垂直衝突による液膜の干渉

概要

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In a previous paper, we proposed to apply the liquid jet impingement method to the twin-fluid atomizer. This type of atomizer is expected to have good performance on the spray characteristics. On the other hand, liquid film (upwash) is formed by the interaction between liquid films which are generated by two impinging jets on the wall. This upwash has great influence on atomizer performance. Firstly, thickness distributions of liquid film generated by the impingement of a single jet on the wall at a right angle have been calculated and compared to the measurement. By comparison, calculations show a slightly smaller film thickness than do the measurements. Also, influences of several factors on film thickness were investigated. Secondarily, calculation results of thickness distribution were applied to the calculation of thickness distributions and the contour of upwash. Concerning the contour of upwash, calculations were compared to the measurement. The calculations are qualitatively coincident with the measurements.
一般社団法人日本機械学会の論文
1991-04-25