Spaced evaporative wicks within an air cooler
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Apr 30, 1996
filing date -
Aug 30, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To improve both heat transfer and evaporation in a heat exchanger (10, 25, 42) of an air cooler, there are provided a number of spaced narrow wet wicks (13) over which air flows transversely, and those wicks (13) are sandwiched between impervious spacer sheets (11, 12), the surface configuration of the spacer sheets (11, 12) being non-planar so as to increase the areas of the wicks (13) over which air flows, and also to increase air turbulence and thereby mixing, the increased mixing not only assisting in the evaporation of water from wicks (13) but also assisting in the heat transfer through the spacer sheets (11, 12) which define the air passages containing the wicks (13).
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