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Wind-chill again! How about air conditioning?.............
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School Of Hard Knock
Posted 12/6/2018 20:42 (#7154180 - in reply to #7154132)
Subject: RE: Wind-chill again! How about air conditioning?.............

just a tish NE of central ND
On old video but I dont think much has changed in principal.
Not much uhm, ....sccratch that,...... it has nothing to do with velocity, but has more to do with the change in pressure and it effecting the boiling points of the contained substance such as oxygen or LP.Both have a boiling point and designs can be used to change the physical state of the products nature at a given pressure to make it either evaporate or condense over and over in its cooling cycle when used as a refrigerant or/and/ it will cool or /absorb heat when it escapes a pressure vessel...
Boiling point of liquid air according to Wiki.....-194.35 C
Air also absorbs the heat thus giving a cooling effect when released from a pressurized vessel ....

Edited by School Of Hard Knock 12/7/2018 04:36
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