Experimental Study on Thermal Performance of Xylitol in A Latent Heat Storage Combined With Sensible Heat Storage

被引：2

作者：

Saikrishnan, V. ^{[1
]}

Karthikeyan, A. ^{[1
]}

Selvaraj, B. ^{[2
]}

机构：

[1] Sathyabama Inst Sci & Technol, Sch Mech Engn, Chennai 600119, Tamil Nadu, India

[2] Karpaga Vinayaga Coll Engn & Technol, Dept Mech Engn, Padalam 603308, India

来源：

RENEWABLE ENERGY SOURCES AND TECHNOLOGIES | 2019年 / 2161卷

关键词：

PHASE-CHANGE MATERIALS; ENERGY-STORAGE; ENHANCEMENT; SYSTEM;

D O I：

10.1063/1.5127629

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

An experimental study is conducted to investigate the achievement in heat transfer and appraisal of thermal performance in a vertical cylindrical shell and axially finned tube latent heat energy storage (LHES) in conjunction with sensible heat storage (SHS). Xylitol, one of the sugar alcohols is the phase change material (PCM) and water is the SHS medium used. Thermal characteristics of xylitol from DSC analysis are compared with the energy storing experimental results. The heat transfer during melting of the PCM is found influenced by the axial fins provided on the tube surface as well as by the temperature and flow rate of heat transfer fluid (HTF) in the cylindrical shell. During melting, HTF flows upward and the results depict that the movement of melt front in PCM is from bottom to top. The results show that the axial fins, incoming HTF temperature and its flow rate influence the heat transfer. The combination of SHS with the LHES enhanced the heat stored.

引用

页数：9

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