Let's hope that we can clear this up, once and for all.
I found that most people that have a hard time understanding the whole concept, or have a difficulty getting into such a discussion, have the difficulty of not being able to differentiate the starting conditions from the running (aka balanced) conditions: sure your water temp is 20 deg, when you start your PC, but it will rise.
Quote:
Originally posted by 8-ball
By increasing the flow rate, have we mysteriously added more water?
Originally posted by Graystar
That is exactly what we have done. If you can't see that then I guess there's no point in discussing it further.
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No. Twice heated, twice cooled (if you double the flow rate).
The quantity of water is irrelevant: it will reach a specific temperature (and temperature gradient) regardless: it would just take a bit more time with a larger quantity of it.
By having a lower flow rate, the water temperature will be spread over a larger range. That's your increased thermal gradient. The average temp remains the same.
Yes, there is a temp difference, within the rad, but the flow rate is such that it would be hard to measure. The average flow rate of a rig is ~50 gph, that's roughly 1 gpm (gallon per minute): think about it.