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Posted to alt.home.repair,sci.engr.heat-vent-ac,misc.consumers.frugal-living,alt.architecture.alternative
Rod Speed
 
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Default Swamp Cooler to Refrigeration A/C

Andrew Barss wrote
Oscar wrote


Then again, 22C is cool, but comfy (PMV = 0.007), with vel = 0.1 m/s
and clo = 1 insulation. Raising vel to 0.5 and lowering clo to 0.5 makes
35 C at 65% comfy (slightly cool, with PMV = -0.54, on a scale from
-3 = cold to +3 = hot), according to the BASIC program in the ASHRAE
55-2004 comfort standard, so he might have just used a ceiling fan on
that day... 28C at 35% with clo = 0.5 and vel = 0.5 is "slightly
warm" in the comfort zone, with PMV = 0.23.


A properly designed swamp cooler system can run with
just the fan and no water, no need for extra ceiling fans.


If you're running it with a fan and no water, it's a ... fan.


Duh.

Swamp cooling relies on the fact that water evaporation cools nearby air.


Duh.

You pull outside air into the wet medium, and pump the cooler and more
humid air through the house. It then exits the house through open windows


Duh. Pity that post was clearly suggesting ceiling
fans IN ADDITION TO A SWAMP COOLER.

(to the poster who recommended closing all the windows,
that's going to completely undermine the whole thing).


He's too stupid to be able to work that out for himself.