HEIGHTENING THE EFFICIENCY OF UNDERFLOOR AIR=CONDITIONING SYSTEMS
1996 Volume 2 Issue 2 Pages 110-114
Details
1996 Volume 2 Issue 2 Pages 110-114
Consideration is given to the relationship between the supply and return air-flow distribution system, which uses the raised flooring and the ceiling as chambers, and energy consumption. The following four points are covered : 1) the definition of an index for evaluating the uniformity of the chambers' supply and return air-flow distribution ; 2) a proposed formula for estimating the relationship between the air-flow distribution non-uniformity rate and the chamber-aperture rates and loss of pressure ; 3) experiments using scale models to verify the accuracy of the calculation method ; and 4) clarification of how the air-flow distribution non-uniformity rate and the ventilation temperature-difference of the equipment in the room affect the energy consumption of the air-conditioning system.
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