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Shading and cooling effects of spray on the surface of glass roof of building.

[In Chinese. / En chinois.]

Author(s) : LI M., DING Y.

Type of article: Article

Summary

Develops the experimental system of spray on the surface of glass roof. Tests the shading and cooling effects with different droplet sizes and distribution densities of micro-droplets. The results show that shading rate is between 21.3% and 38.5% under six test conditions. The smaller the size of micro-droplets is, the better the shading effect will be. The shading rate of same size micro-droplet is increased by 8% when the distribution density is doubled. When the solar radiation intensity ranges from 400 to 1000 W/ m2, both the shading amount and the shading rate increases with the increase of solar radiation intensity. The average temperature on inner surface of glass roof reduces by 16°c, and the peak temperature on inner surface of glass roof decreases from 60°c to 43.9°c.

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Format PDF

Pages: 99-102

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 30019643
  • Languages: Chinese
  • Source: HV & AC - vol. 44 - n. 298
  • Publication date: 2014/12

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