水平な多分岐管への偏流に関する研究 : 第2報, 偏流の抑制方法についての検討

抄録

An experimental study was made on the methods to control the distribution of flow rate into branch tubes in a multitube heat exchanger. The distribution of flow rate was strongly dependent upon the direction and the dynamic pressure of the water jet from an inlet nozzle. In this experiment, a circular plate or a flat plate with a large circular or rectangular hole was set downstream from the nozzle to modulate the dynamic pressure of the water jet. The results show that the properly determined dimensions and position of the circular or the rectangular plate were useful to render the flow rate distribution uniform. Also, a circular plate with many small holes had a better effect.