Impact Force by Transient Liquid Slug Flowing Out of Horizontal Pipes （1st Report, Experimental Study）

An impact force of a transient liquid slug was measured in air-water horizontal two-phase Flow system. The time response of the impact force was characterized by the initial impact force, maximum force, acting period of force and mean effective force which were discussed with reference to the volumetric liquid and gas fluxes and also to the Flow characteristics of the transient slug Flow in horizontal pipes

Impact Force by Transient Liquid Slug Flowing Out of Horizontal Pipes (2nd Report, TheoreticaI Study)

A transient liquid slug flow was analysed on the basis of the scooping model and by applying equations of integral balance of mass and momentum for an arbitrary geometrical volume closed by moving surfaces through which liquid Flowed in and out. The analytical results agreed well with the experimental results of the Flow characteristics and impact force of the transient liquid slug. The dynamic behavior of the impact force was discussed with reference to the analytical results of the dynamic behavior of the flow

Flow Characteristics of a Large Gas Bubble in Horizontal Channels : 1st Report, Flow Characteristics in Stationary Liquid

水平流路内に充満された静止液体が流路の一端開放により重力の作用を受けて流路外へ流出し始め,その代わりに気体が大気ほうとなって流路内に侵入する場合の流動現象を論じた.このような流動現象,特に大気ほう形状と大気ほう周囲の液体流速分布はポテンシャル流理論およびナビエ・ストークスの運動方程式の差分解法の一つであるSMACコードを用いた数値実験により十分に表されることがわかった