Bouncing bubble dynamics and associated enhancement of heat transfer

被引：6

作者：

Donoghue, David B. ^{[1
]}

Delaure, Yan M. C. ^{[2
]}

Albadawi, Abdulaleem ^{[2
]}

Robinson, Anthony J. ^{[1
]}

Murray, Darina B. ^{[1
]}

机构：

[1] Trinity Coll Dublin, Dept Mech & Mfg Engn, Dublin, Ireland

[2] Dublin City Univ, Sch Mech & Mfg Engn, Dublin 9, Ireland

来源：

6TH EUROPEAN THERMAL SCIENCES CONFERENCE (EUROTHERM 2012) | 2012年 / 395卷

基金：

爱尔兰科学基金会;

关键词：

COALESCENCE; CONVECTION; GROWTH; RISE; FLOW; TUBE;

D O I：

10.1088/1742-6596/395/1/012167

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heat transfer enhancement resulting from the effects of two phase flow can play a significant role in convective cooling. To date, the interaction between a rising gas bubble and a horizontal surface has received limited attention. Available research has been focused on bubble dynamics, although the associated heat transfer has not been reported. To address this, this study investigates the effect of a single bubble bouncing against a heated horizontal surface. Local heat transfer measurements have been performed for four orifice to surface distances, with a bubble injection orifice of 1 mm in diameter. High-speed photography and infrared thermography have been utilized to investigate the path of the bubble and the associated heat transfer.

引用

页数：8

共 18 条

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