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water swirling in loop

N

Nirad9er

2[H]4U
Joined
Feb 18, 2004
Messages
3,035
I just got my new i7 setup with water (cpu and a full block for nb/sb/vreg)

I have the loop as follows

Reservoir, pump, cpu, chipset block, radiator, back to reservoir.

I noticed between the out port of the chipset block. I chose the bottom port as the out on the EK-FB block for x58 classified), the water swirls like a vortex. I let the loop run for a few hours to get all the air out and the water continues to swirl where you can visually see it.

Is this a problem or is there a way to fix it? This is the only spot in the loop that it does this which is kind of weird.

Thanks
 
I'd bet what you're seeing is some air still trapped at that point in the system... it can take days to a week to get all the fine bubbles out of a freshly filled system. Since you chose the bottom port for the exit, it will be extra hard to get all the air out.

As long as your temps are OK, I wouldn't worry about it. But you might consider rerouting the tubing so you're using top ports as exits, not absolutely necessary but it would help get the air out faster.
 
Not a problem and an indicator of strong flow rate. And as a bonus turbulent water in the rad transfers more heat to the rad fins. Back in the days of weak pumps turbulent (non-lamiar) flow was regarded as bad as back then it was all about maze (low flow restriction) type blocks, heater cores and running the water around the loop as quickly as possbile. Not anymore.

No worries, frankly it sounds cool looking and I would be looking to put a UV LED there to highlight it.

I imagine it is caused by the water running strongly through that fairly flat channel in the chipset/mosfet block and then having to make a sharp 90 deg turn. Some water has to travel farther and faster than the water that takes the "tight" path through the turn. This difference in water speed through the "turn" likely causes the vortex as the speeds need/want to equalize as the flow rate must be constant in a section of tubing where the cross section is uniform.

OR

I could be completely wrong, about everything, but it still would not worry me a bit.
 
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