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when is an anti-cyclone needed in a tube res?

post #1 of 6
Thread Starter 
under what orientation of fittings is one needed?
post #2 of 6
If you have a tube reservoir... there is the possibly of a getting a "cyclone" in the coolant, due to the incoming or outgoing flow causing the water to spin. Kind of like you may have seen water "cyclone" when going down a drain?

If you are getting a "cyclone", then you need something that will act as a barrier and disrupt that circular motion... which will reduce noise and bubbles and ensure better flow.

If you are not getting a "cyclone", then you are probably ok... but it never really hurts to have an anti-cyclone device of some sort.

Cyclone:


Edited by cgipson1 - 3/13/14 at 5:54pm
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post #3 of 6
I'm new here, but I've done a few custom water loops in my day....

First, where is your inlet/outlet? Are they both on the bottom? Outlet top, inlet bottom? Some weird configuration I've never seen/heard of before?

From what I know, the anti cyclone is needed when your pump is running full speed, it churns up the water in the res, and thus depending on where your outlet is, you may be getting "warmer" water directly from the inlet, or it may be harder work on your pump for the outlet given the direction of the water in the tube.

As you can tell I've never used one. For this build I have a Bitspower watertank Z 250 inline with intake at top (2 inch extension fitting), outlet at the bottom, and I've never had any problem at all. (that being said the res did come with an anti cyclone fitting that I promptly took off).

I'm anxious to see what others say....you know, the ones that know all the math and science smile.gif
post #4 of 6
Quote:
Originally Posted by jb2008 View Post

I'm new here, but I've done a few custom water loops in my day....

First, where is your inlet/outlet? Are they both on the bottom? Outlet top, inlet bottom? Some weird configuration I've never seen/heard of before?

From what I know, the anti cyclone is needed when your pump is running full speed, it churns up the water in the res, and thus depending on where your outlet is, you may be getting "warmer" water directly from the inlet, or it may be harder work on your pump for the outlet given the direction of the water in the tube.

Actually... The anti cyclone is there to baffle the water per se in the res so the pump doesn't suck in air and water.
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post #5 of 6
Makes sense, never had loop designed where that was possible.

I could see it if your inlet/outlets were close. The cyclone happens, the middle of the vortex hits your outlet and you suck air.
post #6 of 6
Op... if your tube coolant is coming in like this:



It can cause a cyclone. It can also occur when the outlet is directly in the center of the bottom of the res, much like the "drain" scenario I mentioned above. The two together (incoming coolant on one side, and the bottom outlet)... can enhance each other.. and really get it going.

Hope that helps (not much of an artist, but I tried! lol!)
Edited by cgipson1 - 3/13/14 at 6:17pm
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