Interested. Would evaporative cooling work _at all_ in humid climates? Perhaps with some modifications? I think not but haven't tried. Sleepbreeze.com.uk does seem to work, but that's one body, not one room.
Thanks, Lucas El 04/09/2013 08:32, "ken winston caine" <ken.winston.ca...@gmail.com> escribió: > David is right. You definitely need to have an exhaust vent. Swamp cooling > cools by moisture evaporating in dry air -- not by creating increasingly > swampy air. You must draw fresh dry air in, and let the moist air out. > > Since the moist, cooler air falls to the floor, it is best not to depend > upon a roof exhaust vent. A mid-height window, or open door will do the > trick. > > RE: your test. You didn't tell us WHERE, what region, you were conducting > the test in. Were you in a region with 30% or less relative humidity? If > so, your test would be a good indicator of the effectiveness of the > evaporative cooling, once you have the intake and exhaust set up correctly. > If you were in a higher humidity zone, there is no point in running the > test. It simply won't give you any indication of how the evaporative > cooling will work in low-humidity, desert conditions. > > Hope that helps. > > ken winston caine > > > On Tue, Sep 3, 2013 at 11:41 PM, David Kelso <david+goo...@kelso.id.au>wrote: > >> A swamp cooler needs to be constantly moving fresh air in, humid air >> out in order to keep cool. So you should aim to have a directional >> airflow path. It can go up to the roof, or out to the door. You need >> to make sure the outlets are big enough that the fan isn't fighting >> any extra pressure inside the yurt. An outlet fan would help with that >> but isn't strictly necessary >> >> The major factor in swamp cooler effectiveness is fan speed. Which fan >> were you using? >> >> For anecdotal evidence, last year I was in a 6ft stretch and was >> getting at least 30 degree F cooling throughout the whole yurt. >> >> On Tue, Sep 3, 2013 at 10:19 PM, Jason Adams >> <jasonadamspriv...@gmail.com> wrote: >> > So I setup an H12, with two swamp coolers, with insulated ducts into >> > opposite ends of my Yurt. Just cut a hole for the ducts. >> > >> > Its going to be hard to describe, but I still felt like the swamp >> coolers or >> > the yurt wasn't really cooling much. I felt like being out in the sun, >> but >> > in the breeze was way more cooling that in a h12 with two swamp coolers >> > running. The airflow really close to the duct holes was nice, but once >> you >> > got more than a foot away from duct, you didn't really feel it. >> > >> > It also felt hot inside, maybe thats just the moisture or sticky icky >> > feeling you get from releasing that much moisture in the air. >> > >> > It's definitely nice not having the intense light on you, the yurt >> certainly >> > kept alot of that sun off the ground , probably getting a cooling ground >> > effect, but I feel like I was missing some comfort. >> > >> > I feel like my options are to basically vent the yurt, or do a fan >> exiting >> > air at the top of the yurt. Which would ideally get more airflow in the >> yurt >> > -- however I feel like that would lose some of the effect of the swamp >> > cooling (after all I'm sealing the bottom to keep the cool air in >> right?). >> > >> > Maybe what I really needed was some type of airflow in the yurt, either >> up >> > the power of the swamp cooling fans -- or hang a big fan from the top >> of the >> > yurt. >> > >> > Just trying to figure out how to make this thing more comfortable, >> because I >> > honestly felt cooler under a shade structure, with some pillows and the >> > breeze coming through. >> > >> > Thoughts? >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups >> > "hexayurt" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an >> > email to hexayurt+unsubscr...@googlegroups.com. >> > To post to this group, send email to hexayurt@googlegroups.com. >> > Visit this group at http://groups.google.com/group/hexayurt. >> > For more options, visit https://groups.google.com/groups/opt_out. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to hexayurt+unsubscr...@googlegroups.com. >> To post to this group, send email to hexayurt@googlegroups.com. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to hexayurt+unsubscr...@googlegroups.com. > To post to this group, send email to hexayurt@googlegroups.com. > Visit this group at http://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "hexayurt" group. 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