I guess that I don't understand what "4-pass" and "2-pass" are actually referring to.
I thought it to mean the water went back and forth across the face of the radiator four times, or two times. Naturally that would mean more distance to travel in a 4-pass design, which means longer time spent in the radiator.
What am I missing?
Also, a tangent here, but could someone perhaps explain what C/W really is and how to determine a rough estimate of coolant temperatures after each waterblock if you know the amount of heat the block is sitting on top of?
C/W Calories/Watt? i.e. if I have a 180Watt heat source sitting on a .17C/W waterblock, is 30.6 Calories being transfered into the water?
I'm likely wrong and initially I felt like I couldn't care less about the math aspect of watercooling, but I can't stand not understanding things. :$
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