Quote:
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Originally Posted by mtbdrew
Ok I'm new to water cooling but let me see if I understand what your saying. Once the temperature has reached the "steady" point that in this case it would take an extra 279 watts to increase 1C. I could see this working in a setup with just one heat source and one rad. However, the affect of multible heat sources in series changes this calculation as the heat is increasing at each source with only one rad to cool. The water coming off the CPU is warmer than what is going in correct? If not why does it matter which direction you run the water through the block? That warmed water is then going into the GPU block. Each stage heat is added will have greater affect. If your theory applied then it also would not matter what order you ran the water Pump, CPG , GPU, RAD, Pump or Pump, GPU, CPU, RAD, Pump. You could even run Pump, RAD, GPU, CPU, PUMP. Yet the first setup is the one most people seem to use because it gives the coolest CPU temps. Atleast this is what I have seen and what others have reported online.
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well the same arguement would apply: say in this instance the 2 GPUs produced 30W each, and the pump 10W:
then the difference between the
coolest water (directly
after the rad) and the
warmest (directly
before the rad) would only be approx 0.5C... (since the total heat input is 140W)
it is better to pick the order that gets you the easiest job of routing the tubing...