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Title: Influence of heater thermal capacity on bubble dynamics and heat transfer in nucleate pool boiling
Author: Zhang L(张良); Li ZD(李震东); Li K(李凯); Li HX; Zhao JF(赵建福)
Source: APPLIED THERMAL ENGINEERING
Issued Date: 2015-09-05
Volume: 88, Issue:SI, Pages:118-126
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.
Keyword: Single bubble pool boiling ; Transient thermal response of solid wall ; Bubble dynamics ; Heat transfer
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Zhao, JF (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Nat Micrograv Lab, Beijing 100190, Peoples R China.
Correspondent Email: jfzhao@imech.ac.cn
DOI: 10.1016/j.applthermaleng.2014.11.080
Related URLs: 查看原文
DOC Type: 期刊论文
WOS Subject: Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS Subject Extended: Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS Keyword Plus: NUMERICAL-SIMULATION ; MICROLAYER STRUCTURE ; WATER ; MICROGRAVITY ; ETHANOL ; SURFACE ; GROWTH ; MODEL ; WALL
WOS ID: WOS:000361160300013
ISSN: 1359-4311
Funder: The 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.
Rank: [Zhang, Liang; Li, Zhen-Dong; Li, Kai; Zhao, Jian-Fu] Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Nat Micrograv Lab, Beijing 100190, Peoples R China; [Li, Hui-Xiong] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China; [Zhang, Liang] SNPSDC, Beijing 102209, Peoples R China
Department: NML微重力两相流与燃烧
Classification: 一类
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Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/56559
Appears in Collections:国家微重力实验室_期刊论文

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Recommended Citation:
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.
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