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Old 08-18-2010, 05:49 PM   #1
iBrewBeer
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I read in John Palmer's "How to Brew" book that when building an immersion wort chiller the cold water "in" should connect to the top coil, and the hot water "out" should flow out from the bottom coil. Why is that?

I never was too good at thermodynamic theory....




 
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Old 08-18-2010, 05:53 PM   #2
mariojr
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I'm going to guess that the hotter wort from the bottom will rise up and mix with the cooler wort to provide some sort of mixing action. That's my two cents, but if you have a pump and whirlpool I think it wouldn't matter how they were connected.


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Old 08-18-2010, 05:53 PM   #3
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i assume this is a counterflow chiller. i'm not so sure it matters which direction the water/wort flow, whether it be water up or water down, so long as they flow in a direction counter to each other. my cold connects to the bottom right now so that the wort drains at the bottom. This way when i'm done cooling i can just let that wort remaining in the chiller drain out, saving a few ounces. I know it's not much, but enough for a gravity reading or another half beer
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Old 08-18-2010, 05:55 PM   #4
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You have your coldest water meeting your hottest wort, theoretically providing more efficient heat transfer.
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Old 08-18-2010, 06:02 PM   #5
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Quote:
Originally Posted by nbspindel View Post
i assume this is a counterflow chiller. .....

Nope, he discusses it in the immersion chiller section.

 
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Old 08-18-2010, 06:08 PM   #6
nanofreak
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OK, what about rate of flow, turn it on full blast, or just enough to have a good full flow or what?

Sorry for thread jacking, but I thought this was the topic when I came in.

 
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Old 08-18-2010, 06:12 PM   #7
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Full blast.
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Old 08-18-2010, 08:01 PM   #8
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Quote:
Originally Posted by arturo7 View Post
You have your coldest water meeting your hottest wort, theoretically providing more efficient heat transfer.
+1 That's it!

 
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Old 08-18-2010, 08:02 PM   #9
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Quote:
Originally Posted by arturo7 View Post
Full blast.
+1 That's it again! You be on a roll now!

 
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Old 11-19-2010, 08:43 PM   #10
iBrewBeer
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Just chilled down 2.5 gallons of wort ina sink with 2 ten lb. bags of ice and a little water.

Darn if it didn't work better than the copper chiller------- doh!!!!!



 
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