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http://dx.doi.org/10.3795/KSME-B.2003.27.2.265

Conjugate Analysis of Bubble Growth Involving Conduction in Solid  

Son, Gi-Hun (서강대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.27, no.2, 2003 , pp. 265-273 More about this Journal
Abstract
Numerical analysis of bubble motion during nucleate boiling is performed by imposing a constant heat flux condition at the base of a heater which occurs in most of boiling experiments. The temporal and spatial variation of a solid surface temperature associated with the bubble growth and departure is investigated by solving a conjugate problem involving conduction in the solid. The vapor-liquid interface is tracked by a level set method which is modified to include the effects of phase change at the interface, contact angle at the wall and evaporative heat flux in a thin liquid micro-layer. Based on the numerical results, the bubble growth pattern and its interaction with the heating solid are discussed. Also, the effect of heating condition on the bubble growth under a micro-gravity condition is investigated.
Keywords
Bubble Growth; Nucleate Boiling; Conjugate Analysis; Level Set Method;
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