Lattice Boltzmann Study on Influence of Gravitational Acceleration on Pool Nucleate Boiling Heat Transfer

doi:10.1007/s12217-020-09864-2

	Lattice Boltzmann Study on Influence of Gravitational Acceleration on Pool Nucleate Boiling Heat Transfer
	Feng Yuan 3; Li Huixiong 3; Zhao JF(赵建福)1,2; Guo Kaikai 3; Lei Xianliang 3
刊名	MICROGRAVITY SCIENCE AND TECHNOLOGY
	2021-04-01
卷号	33 期号:2 页码:16
关键词	Lattice Boltzmann method Pool boiling heat transfer Gravity scaling model
ISSN号	0938-0108
DOI	10.1007/s12217-020-09864-2
通讯作者	Li, Huixiong(huixiong@mail.xjtu.edu.cn) ; Zhao, Jianfu(jfzhao@imech.ac.cn)
英文摘要	Under 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.
分类号	二类
资助项目	Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC)[U1738105]
WOS研究方向	Engineering ; Thermodynamics ; Mechanics
语种	英语
WOS记录号	WOS:000625940000001
资助机构	Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China (NSFC)
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/86299]
专题	力学研究所_国家微重力实验室
作者单位	1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Mech, CAS Key Lab Micrograv, Beijing 100190, Peoples R China; 3.Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China;
推荐引用方式 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.