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Implications of coil frosting on system designs for low-temperature applications.

Author(s) : CLELAND D. J.

Summary

Using advanced models for air infiltration through doors plus standard models for other heat loads, and assuming that air cooling follows a straight line approach from the air-on condition to the saturation at the coil surface temperature, the load sensible heat ratio (SHR), coil SHR, and, hence, the balanced air relative humidity were estimated for a typical refrigerated facility with a warehouse, environmental loading area, and blast freezer. It was shown that unfavourable frost formation is likely to occur in low-temperature facilities even if ambient conditions are not that extreme and moisture entry is reduced by doorway protection.

Details

  • Original title: Implications of coil frosting on system designs for low-temperature applications.
  • Record ID : 2006-2397
  • Languages: English
  • Source: ASHRAE Transactions. 2005 Winter Meeting. Volume 111, part 1 + CD-ROM.
  • Publication date: 2005

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