Two-phase slug flow across small diameter tubes with the presence of vertical return bend

Chi-Chuan Wang, Ing Youn Chen, Pi Shan Huang

研究成果: Article同行評審

37 引文 斯高帕斯(Scopus)

摘要

This study examines the two-phase slug flow across small diameter tubes with the presence of vertical U-type return bends. The translational velocity of the air slug across return bend usually peaks at an angle of π/2-3π/4. The increase of translational velocity is especially pronounced when flow enters at the lower tube with a smaller curvature ratio. An approximately twofold increase of the slug velocity is observed at a curvature ratio of 3. Dimensionless correlations for flowing upwards and downwards with a mean deviation of 18.7% and 24.5% are proposed that can describe the variation of translational velocity within the return bend.

原文English
頁(從 - 到)2342-2346
頁數5
期刊International Journal of Heat and Mass Transfer
48
發行號11
DOIs
出版狀態Published - 1 五月 2005

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