Experimental research on heat charging and discharging performance of heat pipe phase change energy storage system

MAO Fa; ZHANG Xuelai; DING Lei; XU Weiwen

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Experimental research on heat charging and discharging performance of heat pipe phase change energy storage system

Thermal Power Generation Vol. 45, Issue 11, Pages: 48-53(2016)

更新时间：2025-09-28

- Experimental research on heat charging and discharging performance of heat pipe phase change energy storage system
- 作者机构：
  
  上海海事大学商船学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK02;TK172.4
- Published：2016
- 稿件说明：
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MAO Fa, ZHANG Xuelai, DING Lei, et al. Experimental research on heat charging and discharging performance of heat pipe phase change energy storage system[J]. Thermal Power Generation, 2016, 45(11): 48-53.
DOI：

MAO Fa, ZHANG Xuelai, DING Lei, et al. Experimental research on heat charging and discharging performance of heat pipe phase change energy storage system[J]. Thermal Power Generation, 2016, 45(11): 48-53. DOI：

摘要

选择八水氢氧化钡作为相变蓄热材料、热管作为传热元件

设计了一套热管式蓄/放热装置

并对不同工况下装置的蓄/放热性能进行了试验研究。结果表明:热管在蓄热器中均温性良好;加热流体温度、流量越高

相变材料温升越快

相变时间越短;取热流体的进口温度、流量越低

进出口温度温差越高;蓄/放热效率随着进口温度降低、进口流量提高而降低;当进口温度为18℃时

蓄/放热效率最高为89.2%

出口最高温度为49.5℃;当进口流量为0.008m3/h时

蓄/放热效率最高为87.5%

出口最高温度为47.4℃。

Abstract

By choosing Ba(OH)2·8H2O as phase change heat storage material and taking heat pipe as the heat transfer element

a heat pipe phase change energy storage system was designed.The heat storage performance of the system was explored by changing the experimental conditions.The results show that:The thermal homogeneity of the heat pipe in the regenerator is good.With an increase in the heating fluid temperature and flow rate

the temperature of the phase change material increases and the phase transformation time decreases.With an decrease in inlet temperature and inlet flow

the temperature difference of inlet and outlet fluid increases.When the inlet temperature decreases and the inlet flow increases

the heat storage efficiency decreases.When the inlet temperature is 18 ℃

the heat storage efficiency reaches up to 89.2%and the highest outlet temperature is 49.5 ℃.When the inlet flow is 0.008 m3/h

the heat storage efficiency is as high as 87.5% and the highest outlet temperature is 47.4 ℃.

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