Study on Phase-change Cold Storage Characteristics of Al_2O_3-H_2O Nanofluids

doi:10.3969/j.issn.0253-4339.2010.01.023

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Study on Phase-change Cold Storage Characteristics of Al_2O_3-H_2O Nanofluids

更新时间：2025-09-03

- Study on Phase-change Cold Storage Characteristics of Al_2O_3-H_2O Nanofluids
- Journal of Refrigeration Vol. 31, Issue 1, Pages: 23-26(2010)
- 作者机构：
- 作者简介：
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- DOI：10.3969/j.issn.0253-4339.2010.01.023
  CLC： TB61+1(制冷工程);TQ027.3(一般性问题)
- Published Online：24 May 2010，
  
  Published：2010
- 稿件说明：
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Study on Phase-change Cold Storage Characteristics of Al_2O_3-H_2O Nanofluids[J]. Journal of Refrigeration, 2010, 31(1): 23-26.
DOI：

Study on Phase-change Cold Storage Characteristics of Al_2O_3-H_2O Nanofluids[J]. Journal of Refrigeration, 2010, 31(1): 23-26. DOI： 10.3969/j.issn.0253-4339.2010.01.023.

摘要

在水介质中悬浮少量的纳米氧化铝颗粒(粒径20nm)

通过添加分散剂和超声波振荡

制备成均匀分散的Al_2O_3-H_2O纳米流体.对水和Al_2O_3-H_2O纳米流体的相变蓄冷特性进行了实验比较.结果表明

加入纳米A2O3可降低水的过冷度

缩短结冰时间:在相同的时间内

纳米流体的蓄冷量要大于纯水.

Abstract

Al2O3-H2O nanofluids with uniform dispersancy were prepared in which a spot of Al2O3 nanoparticles with a particle size of 20nm suspended in water and the dispersant and supersonic oscillating were added.The cold storage characteristics of the nanofluids and water were experimentally compared.The results show that the nanoparticles in water reduced the subcooling degree of water and the freezing time

and the cold storage capacity of the nanofluids was larger than that of water for the same time.

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references

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刘玉东.纳米复合低温相变蓄冷材料的制备及热物性研究[D].2005.

李金平.纳米流体中制冷剂气体水合物生成动力学和相平衡特性研究[D].2005.

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Seok Pil Jang,Stephen U. S. Choi.Role of Brownian motion in the enhanced thermal conductivity of nanofluids[J].Applied Physics Letters.2004,84(21).

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Related Institution

Shunde Polytechnic, Shunde

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