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3745 — The Use of Heat Pipe Heat Exchangers for Enhanced Dehumidification

$7.50

Conference Proceeding by ASHRAE, 1994

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Description

The effect of a heat pipe heat exchanger (HPHX) on air conditioning performance was evaluated through a combination of a detailed HPHX thermal node model and a model for the air conditioning system implemented through performance maps. Significant increases in moisture-removal capacity and efficiency through the use of this technology were observed. The redesign of conventional evaporator produced a nominal reduction in sensible heat ratio through the reduction of sensible capacity but did not increase latent capacity or moisture-removal efficiency. This suggested that the use of an HPHX offers significant improvements in moisture control and overall efficiency when compared to the conventional practice of using a specially designed cooling coil in combination with reheat.

KEYWORDS: heat pipes, heat exchangers, dehumidifying, air conditioning, performance, calculating, run around coils, relative humidity

Citation: ASHRAE Trans. 1994, Vol.100, Part 1, Paper number 3745, 91-102, 16 figs., refs.

Product Details

Published:
1994
File Size:
1 file , 1.4 MB
Product Code(s):
D-17509