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Old 03-03-2012, 09:23 AM   #11
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Originally Posted by Islandboy85 View Post
So you're pumping the wort through the outer jacket instead of the inner tube? Interesting. It's a very nice looking build.
No. The wort goes through the inner line & cooling water through the outer.
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Old 03-03-2012, 12:07 PM   #12
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Originally Posted by P-J
No. The wort goes through the inner line & cooling water through the outer.
If you anneal the tubes could you wrap them tighter? What kind of water usage are you going through to chill a 10 gallon batch?
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Old 03-03-2012, 05:43 PM   #13
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Originally Posted by thelorax121

You sure would. By definition, that is the point of a heat-exchanger, so in this case, the chiller would actually be more efficient because it is also radiating the heat into the air, rather than insulating the exchange medium (ie the water) like a rubber hose would
Well I would like to hear how well it works.
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Old 03-03-2012, 05:51 PM   #14
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sub'd

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Old 03-03-2012, 09:49 PM   #15
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Well if you're running water on the outside (A in the Fig.) then the hope is that it will be cooler than the wort line (B in Fig.). The water running in the outside line will most likely be cooler than the air also, so you're giving up cold tubing to the atmosphere rather then to the wort. I would run the wort on the outside line (A in Fig.) that way your wort has more surface area exposed to colder areas (Atmosphere and water line which would be line B in Fig.). And like another poster mentioned, rather then atmosphere being the external, you can submerge it in a bucket with water and ice and get it down probably 3x more efficiently.

Fig.
Atmosphere (A(B)A) Atmosphere

or

Icewater (A(B)A) Icewater

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Old 03-03-2012, 10:47 PM   #16
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...
I would run the wort on the outside line (A in Fig.) that way your wort has more surface area exposed to colder areas (Atmosphere and water line which would be line B in Fig.).
...
you can submerge it in a bucket with water and ice and get it down probably 3x more efficiently.
...
Icewater (A(B)A) Icewater
You could do that - however the wort path would become very difficult to clean. Along with other issues.

My experience with the chiller is the wort output temp is the same as the water input temp.
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Old 03-03-2012, 11:55 PM   #17
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I agree with PJ. Not only would the outer path be harder to clean (especially since my inner tube will be wrapped with solid gauge wire to generate turbulent flow). Also, you assumption is based on the input temperature of the water. I would argue that after the water has traveled 1 ft counterflow to the wort it heats up massively, thereby making it hotter than the atmosphere and then radiating that heat out of the system. I am by no means a fluid mechanics, or heat exchange expert, so take everything I say with a grain of salt.

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Old 03-04-2012, 01:20 AM   #18
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You could do that - however the wort path would become very difficult to clean. Along with other issues.

My experience with the chiller is the wort output temp is the same as the water input temp.
Well there is no real efficient way to clean the inside of either tube, only sanitize. I assume you the lines by only running boiling water through it? The same can be done for the outside lane.

If your flow is high enough, the out flowing water should be cooler than the wort after the first few minutes.

Best way to find out is by doing a test run with just boiling water.
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Old 03-04-2012, 01:48 AM   #19
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Well there is no real efficient way to clean the inside of either tube, only sanitize. I assume you the lines by only running boiling water through it? The same can be done for the outside lane.

If your flow is high enough, the out flowing water should be cooler than the wort after the first few minutes.

Best way to find out is by doing a test run with just boiling water.
Huh? It is a CFC (Counter Flow Chiller). It is a one pass chiller similar to a plate chiller. The difference is the wort path does not have any restrictions or catch points within it. With your suggestion the wort path would get severly restricted and near impossible to clear out.

The test run is a good idea. Build one and try it out. Let us know how you make out.
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Old 03-04-2012, 02:09 AM   #20
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Catch points? Can you elaborate?

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