Hi You need a psychometric chart for this. Here's one off the internet https://www.researchgate.net/figure/Evaporative-Cooler-Process-on-Psychometric-Chart-where-e-Efficiency-in-percent-T-DBE_fig5_271288974
On Wed, May 20, 2020 at 2:10 AM Gary Schiltz <[email protected]> wrote: > No scientific results here, but some anecdotal experience from about 40 > years ago. I spent two summers in west Texas (near Wink, birthplace of Roy > Orbison). I was a field tech on a project studying Desert Side-blotched > Lizards. Temperatures were often over 110 F in the early afternoon, with > humidity dropping to single digits. We all lived in small sheet metal-sided > cabins with metal roofs (it was an abandoned Air National Guard base). With > no cooling, the internal temperature would have been totally unbearable, > but they had evaporative coolers. The air from them was quite chilly, at > times I would have to turn mine off or put on a sweater. Of course, at > night, the desert cooled substantially. > > On Tue, May 19, 2020 at 2:59 PM <[email protected]> wrote: > >> A technical question for you high-desert scientists: >> >> >> >> How far can one take evaporative cooling? With dewpoint temperatures in >> the teens, how far down can the output of a swamp cooler be. This relates >> to a question I asked you all in the dead of winter: given a dewpoint >> temperature way below freezing, what is the warmest shade temperature at >> which an icicle can form. >> >> >> >> This is the kind of question that a Massachusetts resident would never >> think of, let alone ponder on. >> >> N >> >> >> >> Nicholas Thompson >> >> Emeritus Professor of Ethology and Psychology >> >> Clark University >> >> [email protected] >> >> https://wordpress.clarku.edu/nthompson/ >> >> >> >> >> -- --- .-. . .-.. --- -.-. -.- ... -..-. .- .-. . -..-. - .... . -..-. . >> ... ... . -. - .. .- .-.. -..-. .-- --- .-. -.- . .-. ... >> FRIAM Applied Complexity Group listserv >> Zoom Fridays 9:30a-12p Mtn GMT-6 bit.ly/virtualfriam >> un/subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> archives: http://friam.471366.n2.nabble.com/ >> FRIAM-COMIC http://friam-comic.blogspot.com/ >> > -- --- .-. . .-.. --- -.-. -.- ... -..-. .- .-. . -..-. - .... . -..-. . > ... ... . -. - .. .- .-.. -..-. .-- --- .-. -.- . .-. ... > FRIAM Applied Complexity Group listserv > Zoom Fridays 9:30a-12p Mtn GMT-6 bit.ly/virtualfriam > un/subscribe http://redfish.com/mailman/listinfo/friam_redfish.com > archives: http://friam.471366.n2.nabble.com/ > FRIAM-COMIC http://friam-comic.blogspot.com/ >
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