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Influence of Transient Thermal Response of Solid Wall on Bubble Dynamics in Pool Boiling
Zhang L(张良); Li ZD(李震东); Li K(李凯); Li HX; Zhao JF(赵建福)
Source PublicationThe Journal of Computational Multiphase Flows
2014-12
Volume6Issue:3Pages:313-328
Abstract

 

Numerical simulation of single bubble pool boiling process including transient thermal response of solid wall is performed using the ghost fluid method and the level set method for the sharp interface representation. The results show that non-physical initial condition in the numerical simulation deeply affects the process of bubble growth, and then multi-cycle simulation is necessary to eliminate its influence. It is shown by the present results that two nucleate criteria, i.e. constant waiting time and constant nucleate superheat, for determining the appearance time for the subsequent bubble lead to the same quasi-steady process of bubble growth if they are matched with each other. A periodically expanding and receding thermal "hollow" can be observed inside solid wall underneath the growing bubble. The recovery of the temperature on the nucleate site and the thermal boundary layer near the heating surface is influenced by transient heat conduction inside solid wall, which can affect evidently bubble thermal dynamics and heat transfer.

DOI10.1260/1757-482X.6.4.361
Indexed ByEI
Language英语
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77968
Collection国家微重力实验室
Corresponding AuthorZhao JF(赵建福)
Recommended Citation
GB/T 7714
Zhang L,Li ZD,Li K,et al. Influence of Transient Thermal Response of Solid Wall on Bubble Dynamics in Pool Boiling[J]. The Journal of Computational Multiphase Flows,2014,6(3):313-328.
APA Zhang L,Li ZD,Li K,Li HX,&Zhao JF.(2014).Influence of Transient Thermal Response of Solid Wall on Bubble Dynamics in Pool Boiling.The Journal of Computational Multiphase Flows,6(3),313-328.
MLA Zhang L,et al."Influence of Transient Thermal Response of Solid Wall on Bubble Dynamics in Pool Boiling".The Journal of Computational Multiphase Flows 6.3(2014):313-328.
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