here is the comfort chart. BRC is about 10-15% relative Humidity. Very Dry, so it changes the comfort zone! a slightly more humid environment is good.
but no TOO sweltering! two variables - temp -v- humidity. On Fri, Aug 16, 2013 at 3:05 PM, Steve Upstill <upst...@gmail.com> wrote: > At a guess, that would be because 1) it's easier to evaporate water at > altitude, and 2) unless the cabin is pressurized you can pretty much count > on air moving in and out. Whereas, the goal in a yurt is to minimize air > circulation (at least if you want your fresh, cool air to stay in the yurtl) > > Also, what Krusty said: it's all about evaporating water, but there are > limits to how much water the air can hold. BTW, this is why they call them > swamp coolers. When used in the Deep South as a cheaper substitute for air > conditioning, once the air becomes saturated with water (if it wasn't to > begin with) the cooler starts gasping to be effective and the warm (if not > hot), moist air makes you feel like you're in a swamp. > > Think hot, dry desert air is a challenge? Try hot air so moist your sweat > can't evaporate. > > On Aug 16, 2013, at 9:51 AM, Fabien Pichard <fabulousfabma...@gmail.com> > wrote: > > I that's true, then explain me why the general aviation uses swamp coolers > inside small planes? > > Sent from my iPad > > On 12 août 2013, at 11:38, Josh and Cody <joshandc...@gmail.com> wrote: > > the way a swamp cooler works is by evaporating water removing the latent > heat of vaporization... just like the cooling from sweat. > > Swamp coolers work best with lots of evaporation. so bringing in that hot > dry air, passing it thru the mesh with water causes the air to drop it's > temperature by evaporating water. sometimes as much as 15-20 degrees > cooler. the dryer the air, the better the effect. > > The air picks up moisture as well, so you will need and exhaust > somewhere, or you could build a very moist space in a sealed hexayurt. > > many people use a HEPA furnace filer as the "out" for the air. > > We've used these even on tent structures and they cool the air > significantly, but only if the moisture moves out! If the moisture > collects over time in the Hexayurt, it is ... not as pleasant! More humid > and damp. > > So recirculating air from the hex and back into the swamp cooler does not > really work. > > This is very different that an Air Conditioner, which strips moisture OUT > of the air, and cools it. Dry cool air feels "colder" and allows for > natural sweat cooling in a normally humid place. This is why you need > humidifiers in a house in Nevada when you run your air conditioner, it > strips the water out of already very dry air. > > > > > On Mon, Aug 12, 2013 at 9:05 AM, Vladimir Khodel <vkho...@gmail.com>wrote: > >> You can set it up in the yurt if you can duct the outside air to come >> into the swamp cooler, such as with a rectangular trash can design setting >> it with the intake at the hole in the wall. >> >> You can not get efficient cooling if you use yurt air as the source, >> since it is already 4-6 times more humid than the outside air. I guess this >> rules out the bucket design :) >> >> Cheers, >> >> Vladimir >> >> >> On Sun, Aug 11, 2013 at 6:21 PM, Robert Rubino <robertrub...@gmail.com>wrote: >> >>> So im looking at a solar panel powered attic fan and i have my solar >>> pond pump, and am building it on my bucket.... my question is, does the >>> swamp cooler have to be outside the yurt and plumed in. or can i set it up >>> in the yurt ( i sleep with a fan all the time anyway so the sound doesn't >>> bother me.) or will that not cool corectly? >>> >>> i have found plenty of info on how to build it, but not much on >>> deploying it. im probably over thinking it. >>> >>> -- >>> 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. > 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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