Thread: Dual Pump Idea
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Unread 03-23-2004, 06:43 AM   #18
Joe Camel
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ok, here is the theory in logic steps, tell me where it goes wrong...

after trying to explain this theory of mine to a few people at work, ive come up with this:


lets make the 4 following assumpions:

1) my cold loop will have 2x the flow of my hot loop.

2) a (big) pump adds +1C (50W) to the water.

3) a WB adds +2C (100W) to the water.

4) when 2 equal amounts of water @ different temps are mixed together, the resulting temps is the average between the two.
ie 1 cup 20C + 1 cup 40C = 2 cups @ 30C.

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lets follow 10 (cm3) of water thru my setup:

--start at the water coming out of the rads, lets say its [30C]...5(cm3) goes to a pump [31C] then to WB [33C] then back to res where it mixes with the other 5 (cm3) which is still 30C [30+33=63 /2= 31.5C] then it goes to the second pump [32.5C] then into the rads.
so the rads have 32.5C water going into them.


now lets follow 10 (cm3) thru a normal loop:

--same starting point, out of rad [30C] pump [31C], WB [33C] ....rads.
so the rads have 33C water going into them....

if the 4 assumptions are true, how is the theory false? ( i know the +1C / 50W is NOT true, but it makes the math a lot easier)

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there should be lots of holes in this if the theory is wrong...right? :shrug:
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Last edited by Joe Camel; 03-23-2004 at 08:29 AM.
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