An Experimental Study of Thermal Insulation Structure of Al-Si Alloy Phase Change Heat Storage Device

Cheng Zi-jie; Chen Guan-sheng; Liu Liang-de; Mao Ling-bo; Luo Chao-hong; Xu Jia-meng; Xie Peng; Jin Lu; Qiao Geng

doi:10.12052/gdutxb.210137

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An Experimental Study of Thermal Insulation Structure of Al-Si Alloy Phase Change Heat Storage Device

更新时间：2026-05-27

- An Experimental Study of Thermal Insulation Structure of Al-Si Alloy Phase Change Heat Storage Device
- Vol. 40, Issue 3, Pages: 46-51(2023)
- 作者机构：
  
  1. 广东工业大学材料与能源学院,广东,广州,510006
  2. 全球能源互联网欧洲研究院,柏林,德国,10623
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.210137
  CLC： TK02;TK114
- Online First：25 May 2023，
  
  Published：2023
- 稿件说明：
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程子杰, 陈观生, 刘良德, 毛凌波, 罗超鸿, 许佳孟, 谢鹏, 金露, 谯耕. 铝硅合金相变储热装置保温结构实验研究[J]. 广东工业大学学报, 2023, 40(3): 46-51.

Cheng Zi-jie, Chen Guan-sheng, Liu Liang-de, et al. An Experimental Study of Thermal Insulation Structure of Al-Si Alloy Phase Change Heat Storage Device[J]. 2023, 40(3): 46-51.
程子杰, 陈观生, 刘良德, 毛凌波, 罗超鸿, 许佳孟, 谢鹏, 金露, 谯耕. 铝硅合金相变储热装置保温结构实验研究[J]. 广东工业大学学报, 2023, 40(3): 46-51. DOI： 10.12052/gdutxb.210137.

Cheng Zi-jie, Chen Guan-sheng, Liu Liang-de, et al. An Experimental Study of Thermal Insulation Structure of Al-Si Alloy Phase Change Heat Storage Device[J]. 2023, 40(3): 46-51. DOI： 10.12052/gdutxb.210137.

摘要

保温结构直接影响储热装置的储热性能。针对铝硅合金相变储热装置的保温问题，本文提出了4种不同的保温结构，测试了不同保温结构下储热装置的外壳温度、耗散功率及其储热效率并进行对比，得出最佳保温结构。研究结果表明，在储热体温度为600 ℃时，玻璃棉、普通气凝胶、复合气凝胶及真空夹层复合气凝胶4种保温结构的外壳温度分别为91，54，51，41 ℃，耗散功率分别为589，364，325，151 W，实测储热效率分别为0.64，0.85，0.88，0.94，真空夹层复合气凝胶的保温性能最佳。

Abstract

The heat storage performance of heat storage device is directly affected by its’ thermal insulation structure. The application of Al-Si alloy in phase change energy storage is limited by the heat loss caused by its high working temperature. Aiming at the thermal insulation problem of high temperature phase change heat storage device

four different insulation structures such as glass wool

aerogel

composite aerogel and vacuum sandwich composite aerogel

used in the Aluminum-silicon alloy phase change heat storage device with the working temperature as high as 600 ℃

are put forward. A series of heat storage

thermal insulation and thermal release experiments are carried out

the thermal insulation performance compared including the shell temperature

the dissipated power and the thermal efficiency

and the influence of thermal insulation materials and vacuum interlayer on thermal insulation performance analyzed and studied. The results show that when the heat storage temperature is 600 ℃

the shell temperatures of glass wool

aerogel

composite aerogel and vacuum sandwich composite aerogel are

respectively

91 ℃

54 ℃

51 ℃ and 41 ℃

the dissipated power is 589 W

364 W

325 W and 151 W

and the thermal efficiency is 0.64

0.85

0.88 and 0.94

respectively. The thermal insulation performance of vacuum sandwich composite aerogel is the best.

关键词

Keywords

references

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