The Heater Size and Viscosity Effects on Thermal Bubble Growth and Dynamics after Departure

Li Chieh Hsu; Wen Chou Huang; Guo Jhih Gao; Kai Yu Chuang; Ing Youn Chen

doi:10.4028/www.scientific.net/AMM.389.120

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 389The Heater Size and Viscosity Effects on Thermal...

The Heater Size and Viscosity Effects on Thermal Bubble Growth and Dynamics after Departure

Abstract:

A single bubble growth after boiling in square vertical tube is studied numerically to better understand bubble formation factors and as well as its moving behavior after departure. The effects of heating surface area and viscosity of fluid are investigate with nucleation time, bubble departure time, bubble dimension as well as boiling curve. The study indicate that the larger heating surface area, the smaller bubble departure diameter and higher nucleation frequency. The larger of viscosity of fluid, the smaller moving deviation from central axis after bubble departure and smaller deformation of the bubble.

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Periodical:

Applied Mechanics and Materials (Volume 389)

Pages:

120-125

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.389.120

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Online since:

August 2013

Authors:

Li Chieh Hsu, Wen Chou Huang, Guo Jhih Gao, Kai Yu Chuang, Ing Youn Chen

Keywords:

Bubble, Deformation, Growth, Pool Boiling

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