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70F is unacceptably warm for business casual imo but I live in the humid rear end northeast. maybe it's different in a arid climate
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Oct 14, 2015 16:47
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my family in new mexico only has swamp coolers. i remember during the summer getting up at night and having to turn it off, you'd freeze otherwise
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Oct 14, 2015 17:10
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how is a swamp cooler different from an air conditioner
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Oct 14, 2015 17:14
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I dunno, how is a swamp cooler different than a freezer
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Oct 14, 2015 17:17
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indigi posted:as someone with experience using and building swamp coolers, that's truly a garbage method of consistent cooling. good thing they aren't swamp coolers and instead are just standard phase change cooling systems with standard cooling towers and a giant ice water bath which they cool overnight to enable thermal storage to reduce peak demand the next day.
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Oct 14, 2015 17:42
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Triglav posted:how is a swamp cooler different from an air conditioner air conditioners use refrigerant, swamp coolers use water. swamp coolers don't work well in moderate to high humidity.
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Oct 14, 2015 18:17
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kwinkles posted:swamp cooler chat from the first page my whole building is cooled by a series of swamp coolers that run a network of chilled water pipes under downtown. only in texas would they come up with district cooling
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Oct 14, 2015 19:01
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atomicthumbs posted:only in texas would they come up with district cooling 
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Oct 14, 2015 19:13
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Oct 14, 2015 19:27
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Dolomite posted:air conditioners use refrigerant, swamp coolers use water. swamp coolers don't work well in moderate to high humidity. so do swamp coolers make everything wet?
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Oct 14, 2015 20:00
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they appear to icnrease humidity
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Oct 14, 2015 20:01
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and that's how you get ants
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Oct 14, 2015 20:05
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really ppl itf don't understand evaporative cooling
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Oct 14, 2015 20:08
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i only understand it because i did physics and chemistry, before this thread though id never heard of it being used for cooling
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Oct 14, 2015 20:26
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Triglav posted:so do swamp coolers make everything wet? its not going to make a dent in single digit humidity, so no. the air coming out of the vent felt like sticking your face in a freezer right after opening the door. they're pretty loud, like a window unit a/c. the only ones i've used are just like that, they hang on the outside wall and vent into a window. the squirrel cage fan will make a racket if it isn't balanced.
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Oct 14, 2015 20:38
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ask yourself: why do you sweat when you're hot? now what happens if you apply this principle to air
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Oct 14, 2015 22:19
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it takes significantly more energy to heat water through a phase change than it does just a couple of degrees within a change enthalpy of change or something? some kind of thermodynamics bullshit
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Oct 14, 2015 22:27
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For molecules of a liquid to evaporate, they must be located near the surface, they have to be moving in the proper direction, and have sufficient kinetic energy to overcome liquid-phase intermolecular forces. When only a small proportion of the molecules meet these criteria, the rate of evaporation is low. Since the kinetic energy of a molecule is proportional to its temperature, evaporation proceeds more quickly at higher temperatures. As the faster-moving molecules escape, the remaining molecules have lower average kinetic energy, and the temperature of the liquid decreases. This phenomenon is also called evaporative cooling. This is why evaporating sweat cools the human body. Evaporation also tends to proceed more quickly with higher flow rates between the gaseous and liquid phase and in liquids with higher vapor pressure. For example, laundry on a clothes line will dry (by evaporation) more rapidly on a windy day than on a still day. Three key parts to evaporation are heat, atmospheric pressure (determines the percent humidity) and air movement. its good stuff.
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Oct 14, 2015 22:35
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so swamp coolers are just what texans call evaporative air conditioners? ive never seen "swamp cooler" before v v
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Oct 14, 2015 22:45
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sounds like it ugh this reminds of the paper I did on dissolution: it's entirely possible I am the forums leading expert on dissolution and if I'm not I pity whomever is
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Oct 14, 2015 22:49
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Swamp Cooters
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Oct 14, 2015 23:13
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inquiring minds want to know: what brand of piss lager is that woman carrying?
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Oct 14, 2015 23:56
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it looks like a jim beam premix thing to me
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Oct 15, 2015 00:26
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swamp coolers are pretty energy efficient compared to normal a/c, so if you can use one you should. their biggest downside is needing to be somewhere where you have consistently dry heat. oh, and if they're badly made and not kept clean they end up producing a smell like a swamp, hence the swamp cooler name.
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Oct 15, 2015 07:41
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no they will not posted:Fun idea I just came up with: use airbnb to rent out a bunch of rooms in your house to people and then murder them ayyy lmao http://www.laweekly.com/news/a-hotheaded-landlord-made-a-movie-about-murdering-his-tenants-then-he-knifed-one-6149402
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Oct 15, 2015 12:32
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NoneMoreNegative posted:ayyy lmao lol "I, a short baldman in my 40s, will win five Oscars. does any dare to dispute this plain fact?"
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Oct 15, 2015 12:38
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echinopsis posted:it looks like a jim beam premix thing to me the rare lucky mirrored jim beam white label & cola can
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Oct 16, 2015 11:40
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