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Desiccant outdoor air preconditioners maximize heat recovery ventilation potentials.

Author(s) : MECKLER M.

Summary

Microorganisms are well protected indoors by the moisture surrounding them if the relative humidity is above 70%. They can cause many acute diseases, infections and allergies. Humidity also has an effect on air cleanliness and causes the building structure and its contents to deteriorate. Therefore, controlling humidity is a very important factor to human health and comfort and the structural longevity of a building. To date, a great deal of research has been done, and is continuing, in the use of both solid and liquid desiccants. The paper introduces a desiccant-assisted system that combines dehumidification and mechanical refrigeration by means of a desiccant preconditioning module that can serve two or more conventional air-conditioning units. It will be demonstrated that the proposed system can reduce energy consumption and provide significant cost savings, independent humidity, and temperature control and, therefore, improved indoor air quality and enhanced occupant comfort.

Details

  • Original title: Desiccant outdoor air preconditioners maximize heat recovery ventilation potentials.
  • Record ID : 1997-1046
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1995/06/24
  • Document available for consultation in the library of the IIR headquarters only.

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