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Lattice Boltzmann Study on Influence of Gravitational Acceleration on Pool Nucleate Boiling Heat Transfer
Feng Yuan1; Li Huixiong1; Zhao JF(赵建福)2,3; Guo Kaikai1; Lei Xianliang1
Corresponding AuthorLi, Huixiong(huixiong@mail.xjtu.edu.cn) ; Zhao, Jianfu(jfzhao@imech.ac.cn)
Source PublicationMICROGRAVITY SCIENCE AND TECHNOLOGY
2021-04-01
Volume33Issue:2Pages:16
ISSN0938-0108
AbstractUnder both normal gravity and microgravity conditions, pool boiling is an efficient mode of heat transfer which has been widely applied in practice. Studying the influence of gravitational acceleration on boiling heat transfer is not only of academic significance, but also helpful for the design of space equipment related to boiling. With the development of computer technology, numerical method has been a new reliable way to investigate the boiling heat transfer under different gravities. Pseudopotential lattice Boltzmann (i.e., LB) model is one of the most popular multiphase LB models, in which the phase interface could be formed, disappeared and migrated naturally. In this paper, the Multi-Relaxation-Time (i.e., MRT) pseudopotential LB model coupled with phase-change model was applied to simulate the pool boiling heat transfer under different gravitational accelerations and wall superheats. Pool boiling curves under different gravities were obtained. It's found that: 1) the pool boiling heat transfer coefficient at a given wall superheat decreases with a decrease in gravity; 2) the wall superheat, as well as heat flux, at the CHF (i.e., critical heat flux) point and ONB (i.e., onset of the nucleate boiling) decrease gradually with a decrease in gravity. In addition, based on the numerical results, a new gravity scaling model was proposed to predict the influence of gravitational acceleration on the nucleate boiling heat transfer under different wall superheats. Finally, the new gravity scaling model was proved to be capable of predicting the heat flux during the nucleate boiling under different wall superheats and gravities.
KeywordLattice Boltzmann method Pool boiling heat transfer Gravity scaling model
DOI10.1007/s12217-020-09864-2
Indexed BySCI ; EI
Language英语
WOS IDWOS:000625940000001
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Funding ProjectChinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC)[U1738105]
Funding OrganizationChinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC)
Classification二类
Ranking1
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/86300
Collection微重力重点实验室
Affiliation1.Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China;
2.Chinese Acad Sci, Inst Mech, CAS Key Lab Micrograv, Beijing 100190, Peoples R China;
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Feng Yuan,Li Huixiong,Zhao JF,et al. Lattice Boltzmann Study on Influence of Gravitational Acceleration on Pool Nucleate Boiling Heat Transfer[J]. MICROGRAVITY SCIENCE AND TECHNOLOGY,2021,33,2,:16.
APA Feng Yuan,Li Huixiong,赵建福,Guo Kaikai,&Lei Xianliang.(2021).Lattice Boltzmann Study on Influence of Gravitational Acceleration on Pool Nucleate Boiling Heat Transfer.MICROGRAVITY SCIENCE AND TECHNOLOGY,33(2),16.
MLA Feng Yuan,et al."Lattice Boltzmann Study on Influence of Gravitational Acceleration on Pool Nucleate Boiling Heat Transfer".MICROGRAVITY SCIENCE AND TECHNOLOGY 33.2(2021):16.
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