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Mini Seated Refrigeration Room

With thanks to Rainer Winkler for inspiration. These already exist and are ready to go. If modifications to suits turn out to be impractical maybe a small refrigerated room (Cool Room) would cool workers for a while. These can be bought or fabricated from whatever's available. One issued to each hospital. It doesnt solve the mobility issue but may offer some relief if used every 15 min for a short break.

Photo of Anthony Davis
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http://www.coolingdirect.com/Coldrooms.htm

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Photo of Rainer Winkler

Hi Anthony,
I think the cooling power should be so high, that it allows the worker to loose some of the heat energy that was not released but cauaed the body temperature to rise. With kind regards, Rainer

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Photo of Anthony Davis

Yes Rainer, it would have to be very cool, which may be a problem for diy efforts. The manufactured one would have no problem but the price tag on those is too extreme.

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Photo of Rainer Winkler

Hi Anthony, maybe it has not to be that cool. The worker will be at rest there, so his internal heat production will be smaller (Maybe 100 W, not 300 W when he was active). And if the heat transfer can be increased (venting the room to some extent, contracting the PPE to minimize isolating air layers), it should work.
I personally think it is an important idea. Better cool the worker down, than force him to do the doffing while he is critically overheated. Someone should calculate and make some tests. With kind regards, Rainer

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Photo of Anthony Davis

Good points Rainer! And also, maybe a fan inside -an average fan at 35mph in 0 deg C would equal minus 10C. I believe this system would work, but is it deployable I wonder.

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Photo of Rainer Winkler

Hi Anthony,

I am sure it is deployable. Because like all ideas it will be changed and improved. I posted already a variant of this: https://openideo.com/challenge/fighting-ebola/ideas/cooling-areas . I propose there to construct small areas that can be cooled only if a worker is inside. And all that is required is some cooling device that can deliver cool air. I also propose to keep the high tech out of the infectious area. The technique around the cooled worker could be simple. So I am sure it will work.

My personal opinion is in the moment, that there will probably be no perfect cooling solution. But take 1/3 of the cooling from things like cooling vests or their variante, 1/3 from cool areas as are discussed here and 1/3 from the activities of a specialist for cooling or some other small things that reduce the heat problem. This might not be perfect, but enough to relieve the situation in the next months.

With kind regards
Rainer