Numerical study on thermal performance characteristics of a cascaded latent heat storage unit

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	Numerical study on thermal performance characteristics of a cascaded latent heat storage unit
	Wang, Yifei 1,2; Wang, Liang 1; Chen, Haisheng 1; Xie, Ningning 1; Yang, Zheng 1,2; Chai, Lei 1
刊名	PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY
	2016-02-01
卷号	230 期号:1 页码:126-137
关键词	Thermal energy storage phase-change material latent heat numerical simulation enthalpy method
英文摘要	This study presents a numerical investigation on a cascaded shell-and-tube 3PCMs latent heat thermal storage unit filled with three types of phase-change materials namely, C24H50, C21H44, and C18H38. The mathematical model is based on the enthalpy method and considers the effect of the natural convection of liquid phase-change material during melting. The transient heat transfer and thermal storage characteristic of the 3PCMs unit are analyzed and compared with those of a 1PCM unit that utilizes C24H50. The influences of heat transfer fluid flow rate and inlet temperature on the efficiency, accumulated energy, and exergy of the latent heat thermal storage unit are studied. Results show that the 3PCMs unit can improve the heat transfer rate greatly and shorten the heat storage time effectively, as much as 58% more energy can be stored than the 1PCM unit at the same charging time. The increase of both inlet temperature and flow rate of the heat transfer fluid will lead to a shorter charging time, whereas the advantage of the 3PCMs unit on storage performance over the 1PCM unit becomes more insignificant.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Mechanical
研究领域[WOS]	Engineering
关键词[WOS]	PHASE-CHANGE MATERIALS ; CHANGE ENERGY-STORAGE ; DIFFERENT MELTING TEMPERATURES ; EXERGY ANALYSIS ; THERMODYNAMIC OPTIMIZATION ; MULTIPLE PCMS ; SYSTEM ; CONVECTION ; DESIGN ; MODULE
收录类别	SCI
语种	英语
WOS记录号	WOS:000368805500010
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/112351]
专题	工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位	1.Chinese Acad Sci, Inst Engn Thermophys, 11 4th Ring Rd, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Wang, Yifei,Wang, Liang,Chen, Haisheng,et al. Numerical study on thermal performance characteristics of a cascaded latent heat storage unit[J]. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY,2016,230(1):126-137.
APA	Wang, Yifei,Wang, Liang,Chen, Haisheng,Xie, Ningning,Yang, Zheng,&Chai, Lei.(2016).Numerical study on thermal performance characteristics of a cascaded latent heat storage unit.PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY,230(1),126-137.
MLA	Wang, Yifei,et al."Numerical study on thermal performance characteristics of a cascaded latent heat storage unit".PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY 230.1(2016):126-137.