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Tell me about evaporative (swamp) coolers..
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<blockquote data-quote="simme" data-source="post: 1812822" data-attributes="member: 40418"><p>Misters are also used to cool cattle in hot barns at shows. My experience is they are high maintenance and wet everything. They work best if fed at a high pressure so the mist is well atomized so that the water evaporates. They need to be mounted on a high velocity (noisy) fan to keep the air moving to give time for complete evaporation of the water before the fine water mist can coalesce and drop out on the ground. They don't atomize very well at 50 psi and end up wetting everything. Hard water will also leave deposits on the nozzles and disrupt the spray pattern and cause them to spit. Filtration will be required on the water feeding the misters. Yes misters work ok around a pool, spraying people with a fine mist. I think you end up with wet floor, wet furniture and wet people on the patio in this application. Chicken houses here were built with both evaporative cooling (cool cells) and high pressure (200#+) misting nozzles 20 years ago. Misting has been abandoned due to wetting the chickens and litter. All cooling now is with cool cells and fans. Same principle as portacool, but packaged differently.</p><p></p><p>Murray knows. Maybe got one in the shop. Portacool or one of the other manufacturers of cool cell technology. Water evaporated off a large surface area on the pads. Water stays in the unit. Cool air comes out of the fan, not water mist or droplets. Get one large enough for the area. </p><p> Here is a big version:</p><p>[URL unfurl="true"]https://bigassfans.com/evaporative-coolers/cool-space-500/[/URL]</p><p></p><p>In an enclosed space, humidity increases over time from the water added by evaporative cooling. In an open outside area like the picture, that does not happen. That moisture in the air moves on to the rest of the world and the area does not saturate like an enclosed area.</p></blockquote><p></p>
[QUOTE="simme, post: 1812822, member: 40418"] Misters are also used to cool cattle in hot barns at shows. My experience is they are high maintenance and wet everything. They work best if fed at a high pressure so the mist is well atomized so that the water evaporates. They need to be mounted on a high velocity (noisy) fan to keep the air moving to give time for complete evaporation of the water before the fine water mist can coalesce and drop out on the ground. They don't atomize very well at 50 psi and end up wetting everything. Hard water will also leave deposits on the nozzles and disrupt the spray pattern and cause them to spit. Filtration will be required on the water feeding the misters. Yes misters work ok around a pool, spraying people with a fine mist. I think you end up with wet floor, wet furniture and wet people on the patio in this application. Chicken houses here were built with both evaporative cooling (cool cells) and high pressure (200#+) misting nozzles 20 years ago. Misting has been abandoned due to wetting the chickens and litter. All cooling now is with cool cells and fans. Same principle as portacool, but packaged differently. Murray knows. Maybe got one in the shop. Portacool or one of the other manufacturers of cool cell technology. Water evaporated off a large surface area on the pads. Water stays in the unit. Cool air comes out of the fan, not water mist or droplets. Get one large enough for the area. Here is a big version: [URL unfurl="true"]https://bigassfans.com/evaporative-coolers/cool-space-500/[/URL] In an enclosed space, humidity increases over time from the water added by evaporative cooling. In an open outside area like the picture, that does not happen. That moisture in the air moves on to the rest of the world and the area does not saturate like an enclosed area. [/QUOTE]
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