プラグ前端構成粒子の挙動についての研究

概要

論文の詳細を見る
Velocities of particles composing a plug front end have been measured at cross-sectional grids in a pipeline by means of Laser Doppler Velocimeter (LDV) to discuss the movement patterns of the particles. As a result, the velocities at the upper part of the plug front end are higher than those at the lower part. The velocities of the upper particles are higher than the plug movement velocity. These results indicate that the particles composing plug at the front end are discharged toward the front air phase. Moreover, according to the particles movement observations, the particles on the central stationary layer near pipe wall move up to the top part of the plug. The discharged particles are originally lied on the parts. Previous researchers observed the plug particles and calculated the particles velocity in a plug by means of dynamic numerical simulation. Our results qualitatively agree with the simulation results.
社団法人日本機械学会の論文
1998-12-25