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A comparative study on the performances of different shell-and-tube type latent heat thermal energy storage units including the effects of natural convection
Han, Guang-Shun1,2; Ding, Hong-Sheng1; Huang, Yun2; Tong, Li-Ge3; Ding, Yu-Long4
2017-11-01
Source PublicationINTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
ISSN0735-1933
Volume88Issue:NOVPages:228-235
Abstract

Numerical modeling was performed to simulate the melting process of a fixed volume/mass phase-change material (PCM) in different shell-and-tube type latent thermal energy storage units with identical heat transfer area. The effect of liquid PCM natural convection (NC) on the latent heat storage performance of the pipe and cylinder models was investigated using a 3D numerical model with FLUENT software. Result shows that NC can cause a non-uniform distribution of the solid-liquid interface, which accelerates PCM melting rate. The PCM melting rate and heat storage rate in the horizontal cylinder model are higher than those in the horizontal pipe model because of the combined effects of heat conduction and NC. A comparative study was conducted to determine the effects of horizontal and vertical shell-and-tube models with different heat transfer fluid (HTF) inlets including the effects of NC. The results indicate that the vertical model with an HTF inlet at the bottom exhibits the highest PCM melting rate and heat storage rate for the pipe models. For the cylinder models, the horizontal model and the vertical model with an HTF inlet at the bottom can achieve nearly the same completed melting time. In addition, NC has minimal effect on any model with an HTF inlet at the top.

KeywordNatural Convection Latent Heat Storage Pipe Model Cylinder Model Pcm
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.icheatmasstransfer.2017.09.009
Indexed BySCI
Language英语
WOS KeywordPHASE-CHANGE MATERIAL ; VERTICAL TUBE ; SYSTEM ; EXCHANGER ; BEHAVIOR ; CONTAINER ; PARAFFIN ; SALT ; PCM
WOS Research AreaThermodynamics ; Mechanics
WOS SubjectThermodynamics ; Mechanics
Funding OrganizationNational Natural Science Foundation of China(51206010) ; National Basic Research Program of China (973 Program)(2012CB720406)
WOS IDWOS:000414880900027
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23366
Collection多相复杂系统国家重点实验室
Affiliation1.Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Univ Sci & Technol Beijing, Sch Energy & Environm Engn, Beijing 100083, Peoples R China
4.Univ Birmingham, Birmingham Ctr Thermal Energy Storage, Birmingham B15 2TT, W Midlands, England
Recommended Citation
GB/T 7714
Han, Guang-Shun,Ding, Hong-Sheng,Huang, Yun,et al. A comparative study on the performances of different shell-and-tube type latent heat thermal energy storage units including the effects of natural convection[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER,2017,88(NOV):228-235.
APA Han, Guang-Shun,Ding, Hong-Sheng,Huang, Yun,Tong, Li-Ge,&Ding, Yu-Long.(2017).A comparative study on the performances of different shell-and-tube type latent heat thermal energy storage units including the effects of natural convection.INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER,88(NOV),228-235.
MLA Han, Guang-Shun,et al."A comparative study on the performances of different shell-and-tube type latent heat thermal energy storage units including the effects of natural convection".INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER 88.NOV(2017):228-235.
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