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Methodology of avoiding condensation and downdraft in displacement ventilation plus cooling ceiling system.

[In Chinese. / En chinois.]

Author(s) : WANG J., LONG W., DANG T., et al.

Type of article: Article

Summary

Puts forward the method of covering the cooling ceiling with the diathermanous film having high penetration rate for long wave radiation, and there being a layer of air vacuum between the ceiling under surface and the film. Measures the temperature, velocity and concentration fields in an office. The results show that the film temperature is equal to or greater than the average temperature of ceiling under surface and indoor air, making the condensation on the film and ceiling much less possible, the downdraft reduced, and the cooling ceiling almost kept unchangeable.

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Pages: 27-32

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2009-1213
  • Languages: Chinese
  • Source: HV & AC - vol. 39 - n. 220
  • Publication date: 2009/01

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