A novel shell-and-tube thermal energy storage tank: Modeling and investigations of thermal performance

被引：35
|
作者：
Mao, Qianjun [1 ]
Liu, Ning [1 ]
Peng, Li [1 ]
Liu, Donghua [1 ]
机构：
[1] Wuhan Univ Sci & Technol, Sch Urban Construct, Wuhan 430065, Hubei, Peoples R China
来源：
APPLIED THERMAL ENGINEERING | 2019年 / 159卷
基金：
中国国家自然科学基金;
关键词：
Solar energy; Thermal energy storage (TES); Numerical simulation; Truncated cone TES tank; PHASE-CHANGE MATERIALS; LATENT-HEAT STORAGE; NUMERICAL-ANALYSIS; NATURAL-CONVECTION; ENHANCEMENT; SYSTEM; SALT; PCM;
D O I：
10.1016/j.applthermaleng.2019.113964
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Utilizing the solar energy by thermal energy storage (TES) system is an important way to solve energy shortage and environmental pollution. In this paper, the air and nitrate salt have been selected as the heat transfer fluid (HTF) and phase change material (PCM), respectively, and the aim is to investigate the heat transfer performance of the storage tank. According to analyze the disadvantages of traditional cylindrical shell-and-tube TES tank, a novel truncated cone shell-and-tube TES tank has been established, and a new parameter namely Taper has been proposed. Meanwhile, the melting process of the TES tanks have been investigated by FLUENT software, and then the optimal TES tank with a Taper of 0.2072 has been obtained by comparing with the melting process of the four kinds of the truncated cone model. This research will provide theoretical guidance for future designing optimization of TES system for concentrated solar power (CSP) pant.
引用
收藏
页数：7
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