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Cooling loads in laboratories.

Author(s) : WILKINS C. K., COOK M. R.

Summary

The heating, ventilating, and air-conditioning system for a laboratory must be designed with consideration for safety, air cleanliness, and space temperature. The primary safety concern is to ensure proper coordination between fume hood exhaust and makeup air supply. Air cleanliness is maintained by properly filtering supply air, by delivering adequate room air changes, and by ensuring proper pressure relationships between the laboratory and adjacent spaces. Space temperature is maintained by supplying enough cooling air to offset the amount of heat generated in the room. Each of these factors must be considered, and the one that results in the largest ventilation rate is used to establish the supply and exhaust airflows. The project described illustrates a case where cooling load is the determining factor in the sizing of the air systems.

Details

  • Original title: Cooling loads in laboratories.
  • Record ID : 2000-2172
  • Languages: English
  • Source: ASHRAE Transactions. 1999 Winter Meeting, Chicago, Illinois + CD-ROM.
  • Publication date: 1999
  • Document available for consultation in the library of the IIR headquarters only.

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