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Influence of heater thermal capacity on bubble dynamics and heat transfer in nucleate pool boiling
Zhang L(张良)1,3; Li ZD(李震东)1; Li K(李凯)1; Li HX2; Zhao JF(赵建福)1; Zhao, JF (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Nat Micrograv Lab, Beijing 100190, Peoples R China.
Source PublicationAPPLIED THERMAL ENGINEERING
2015-09-05
Volume88Issue:SIPages:118-126
ISSN1359-4311
Abstract

Using the Ghost Fluid Method for sharp interface representation, the complete single bubble pool boiling process including the transient thermal response of the solid wall is simulated numerically. Two level set functions are used for capturing the liquid-vapor-solid interfaces. Bubble dynamics and local heat transfer influenced by thickness and material parameters of the solid wall are analyzed at constant temperature on its bottom. For the same material and the same bottom temperature, growth time and departure diameter of bubble change slightly with the thickness. A clear local low-temperature region is produced inside the wall under the bubble base, which expands and recedes periodically with the movement of the three phase contact line. The movement of the local low-temperature region lags gradually comparing to that of the contact line with increasing thermal diffusivity of solid walls. Waiting time increases with decreasing thermal diffusivity of solid walls, resulting in thickened thermal boundary layer at nucleation, and then short bubble growth time and large departure diameter. (C) 2014 Elsevier Ltd. All rights reserved.;Using the Ghost Fluid Method for sharp interface representation, the complete single bubble pool boiling process including the transient thermal response of the solid wall is simulated numerically. Two level set functions are used for capturing the liquid-vapor-solid interfaces. Bubble dynamics and local heat transfer influenced by thickness and material parameters of the solid wall are analyzed at constant temperature on its bottom. For the same material and the same bottom temperature, growth time and departure diameter of bubble change slightly with the thickness. A clear local low-temperature region is produced inside the wall under the bubble base, which expands and recedes periodically with the movement of the three phase contact line. The movement of the local low-temperature region lags gradually comparing to that of the contact line with increasing thermal diffusivity of solid walls. Waiting time increases with decreasing thermal diffusivity of solid walls, resulting in thickened thermal boundary layer at nucleation, and then short bubble growth time and large departure diameter. (C) 2014 Elsevier Ltd. All rights reserved.

KeywordSingle Bubble Pool Boiling Transient Thermal Response Of Solid Wall Bubble Dynamics Heat Transfer
DOI10.1016/j.applthermaleng.2014.11.080
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000361160300013
WOS KeywordNumerical-simulation ; Microlayer Structure ; Water ; Microgravity ; Ethanol ; Surface ; Growth ; Model ; Wall
WOS Research AreaThermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS SubjectThermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
Funding OrganizationThe present study is supported financially by the National Natural Science Foundation of China under the grants of 11372327 and 10972225, and the Strategic Priority Research Program on Space Science, the Chinese Academy of Sciences under the grants of XDA04020404 and XDA04020202-04. The authors also appreciate Prof. Li Yuan (Academy of Mathematics and Systems Science, CAS), and Prof. Zai-Sha Mao (Institute of Process Engineering, CAS) for fruitful discussions.
DepartmentNML微重力两相流与燃烧
Classification一类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/56559
Collection国家微重力实验室
Corresponding AuthorZhao, JF (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Nat Micrograv Lab, Beijing 100190, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Nat Micrograv Lab, Beijing 100190, Peoples R China
2.Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
3.SNPSDC, Beijing 102209, Peoples R China
Recommended Citation
GB/T 7714
Zhang L,Li ZD,Li K,et al. Influence of heater thermal capacity on bubble dynamics and heat transfer in nucleate pool boiling[J]. APPLIED THERMAL ENGINEERING,2015,88(SI):118-126.
APA Zhang L,Li ZD,Li K,Li HX,Zhao JF,&Zhao, JF .(2015).Influence of heater thermal capacity on bubble dynamics and heat transfer in nucleate pool boiling.APPLIED THERMAL ENGINEERING,88(SI),118-126.
MLA Zhang L,et al."Influence of heater thermal capacity on bubble dynamics and heat transfer in nucleate pool boiling".APPLIED THERMAL ENGINEERING 88.SI(2015):118-126.
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