Quote:
Originally posted by bigben2k
Again, the flow rate is the same at any point in the entire rig. The velocity and pressure is different, but it depends on each component.
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Pressure is different, velocity is dependant on the cross-section area of the location the coolant is flowing through. So the velocity in the tubing everywhere in your system is the same, it may slow down/speed up as it passes through narrower/wider blocks/rads/rez's.
If the system is closed-loop (again, IMHO closed-loop means sealed well enough to hold pressure) you will have positive pressure right after the pump outlet, negative pressure just before the pump inlet, and neutral/no pressure somewhere in the middle (likely between your two most restrictive components, the block and rad)