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Conundrum - oldbloke's mutterings
June 23rd, 2011
04:28 pm
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Conundrum
I have 4 gallons of liquid which was at about 90C at noon.
I'd like to cool it to 20C.
Ambient temperature is 23C.
Hmmmmm.

I'll take it down to the garage, I think.

(6 comments | Leave a comment)

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From:bellinghman
Date:June 23rd, 2011 03:30 pm (UTC)
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Water from the kitchen cold tap is probably a bit cooler.
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From:oldbloke
Date:June 23rd, 2011 03:37 pm (UTC)
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Water meter - don't want to use too much
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From:bellinghman
Date:June 23rd, 2011 03:43 pm (UTC)
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Ah. Still, some cold water would bring it down a fair bit, and you could perhaps use the warmed up water for a bit of watering in the garden.
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From:oldbloke
Date:June 23rd, 2011 03:44 pm (UTC)
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Well, I was cleaning out the demijohns' waterbath today anyway, so I'll look at it about 8 o'clock and if it's nowhere near, stick it in that with cold water and maybe some ice.
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From:k425
Date:June 25th, 2011 04:36 pm (UTC)
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Seriously, the garden needs no assistance on the watering front. I keep wanting to feed the beds but it's rained at least once every day for a week and I'll waterlog the plants if I give them any more!
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From:oldbloke
Date:June 23rd, 2011 07:51 pm (UTC)
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At 8 it was still 30C so I put it in a bath of cold water.
What I really want is a Ranque-Hilsch vortex tube and an air compressor.
I wonder what the smallest lowest-pressure one is that actually produces a reasonable cooling effect?
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