Numerical simulation of foam metal copper/paraffin phase change thermal storage process

Hua CHEN; Xiuli LIU; Yaxing YANG; Liqiong ZHONG; Lei WANG; Na GAO

doi:10.11949/j.issn.0438-1157.20181268

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Numerical simulation of foam metal copper/paraffin phase change thermal storage process

更新时间：2020-06-24

- Numerical simulation of foam metal copper/paraffin phase change thermal storage process
- CIESC Journal Issue S1, Pages: 86-92(2019)
- 作者机构：
  
  天津商业大学天津市制冷技术重点实验室，天津 300134
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181268
  CLC： TU 831.6
- Received：29 October 2018，
  
  Revised：2018-11-15，
- 稿件说明：
移动端阅览
陈华, 柳秀丽, 杨亚星, 钟丽琼, 王蕾, 高娜. 泡沫金属铜/石蜡相变蓄热过程的数值模拟[J]. 化工学报, 2019, 70(S1): 86-92

CHEN Hua, LIU Xiuli, YANG Yaxing, ZHONG Liqiong, WANG Lei, GAO Na. Numerical simulation of foam metal copper/paraffin phase change thermal storage process[J]. CIESC Journal, 2019, 70(S1): 86-92
陈华, 柳秀丽, 杨亚星, 钟丽琼, 王蕾, 高娜. 泡沫金属铜/石蜡相变蓄热过程的数值模拟[J]. 化工学报, 2019, 70(S1): 86-92 DOI： 10.11949/j.issn.0438-1157.20181268.

CHEN Hua, LIU Xiuli, YANG Yaxing, ZHONG Liqiong, WANG Lei, GAO Na. Numerical simulation of foam metal copper/paraffin phase change thermal storage process[J]. CIESC Journal, 2019, 70(S1): 86-92 DOI： 10.11949/j.issn.0438-1157.20181268.

摘要

在装有纯石蜡的相变蓄热箱中加入泡沫金属铜，利用Fluent软件，模拟研究石蜡相变蓄热箱在加入泡沫金属铜后，箱内石蜡温度分布的均匀性、稳定性及相变蓄热的变化规律。模拟结果显示，泡沫金属铜的加入，大大提高了石蜡的蓄热性能，缩短了石蜡相变的时间；且加入泡沫铜后，石蜡内部温差明显减小，温度分布更加均匀，并且有效缓解了自然对流造成的顶部过热和底部不熔化现象。数值模拟结果与实验测试数据平均误差15.7%，与实测值吻合较好。

Abstract

The uniformity and stability of the paraffin temperature distribution in the phase change heat storage box with the addition of foam copper into the pure paraffin were predicted by Fluent software. The simulated results showed that the addition of foam copper greatly improved the heat recovery performance of paraffin and shortened paraffin phase transition time. Moreover

after adding foam copper

the paraffin inside temperature difference decreased significantly

the temperature distribution became more uniform

and top overheating and bottom un-melting caused by nature convection were effectively alleviated. The average error between the simulated results and test data were within 15.7%

which was in good agreement with the measured values.

关键词

Keywords

references

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