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What pump should I get for this loop? - Page 2

post #11 of 17
that pic is fine, rad--cpu--gpu--res--pump--rad etc
post #12 of 17
Swiftech MCP 655.
post #13 of 17
Thread Starter 
Quote:
Originally Posted by $ilent View Post
that pic is fine, rad--cpu--gpu--res--pump--rad etc
I would like to thank every one for there input. Ordering parts tonight, cant wait.
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post #14 of 17
I bet your excited, im trying to get shut of my sig atm but when I come to build again im gonna get xspc rs360 and gtx 480/580 maybe too!
post #15 of 17
Quote:
Originally Posted by liljoejoe54 View Post
Im also new to watercooling so I might be wrong on this but if you have 2 radiators, wouldnt it be better to put one before the cpu like you have but put the 2nd one between the cpu and gpus?
Theoretically, yes. You are right in that if you disperse the rads, you get warmer water flowing in to the inlet, therefore a higher water - air delta and therefore better overall cooling, rather than a lower minimum temperature. This is how things are done in places with large heat transfers, like the power plants I used to design.

However with PC water cooling the water temperature change is so small that there is no noticeable difference. In fact, the extra tubing and turns needed to plumb it that way might even have a negative effect by reducing the flow rates.

Roughly speaking it takes 250W to raise the water by 1C at 1GPM. It is a linear relationship, so double the power = double the temp rise, double the flow rate = half the temp rise.

Tl:dr: Other than res > pump, loop order is fairly unimportant as water temperature does not change by much as it flows through the loop.

OP, the loop order you drew will be good.
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post #16 of 17
Quote:
Originally Posted by GingerJohn View Post
Theoretically, yes. You are right in that if you disperse the rads, you get warmer water flowing in to the inlet, therefore a higher water - air delta and therefore better overall cooling, rather than a lower minimum temperature. This is how things are done in places with large heat transfers, like the power plants I used to design.

However with PC water cooling the water temperature change is so small that there is no noticeable difference. In fact, the extra tubing and turns needed to plumb it that way might even have a negative effect by reducing the flow rates.

Roughly speaking it takes 250W to raise the water by 1C at 1GPM. It is a linear relationship, so double the power = double the temp rise, double the flow rate = half the temp rise.

Tl:dr: Other than res > pump, loop order is fairly unimportant as water temperature does not change by much as it flows through the loop.

OP, the loop order you drew will be good.
Thanks for clearing that up. I am currently in the process of building a single loop for my CPU and was thinking of adding my HD6970 later on and get an extra radiator but now ill just add the gpu block and keep the one RX360. Thanks again.
post #17 of 17
Thread Starter 
Okay so I ordered all my parts, am I missing anything? Is a killcoil needed with that coolant? Oh will those fittings work or do I need something else. Still looking for fans. AP-14/15's are MIA.

Swiftech MCP 355 12v DC Pump
EK-Supreme HF - Acetal
XSPC Acrylic Dual 5.25” Reservoir for Laing DDC - BayRes One
SKU4113 PrimoFlex Pro LRT Clear Tubing -3/8in. ID x 5/8in. OD
EK nVidia 580 GTX VGA Liquid Cooling Block - Nickel - EK-FC580 GTX Enzotechnology Compression Fitting - 3/8" - 5/8" - Matt Black
XSPC RS240 BLACK - High Performance Copper Fin Radiator
Phobya Xtreme 200mm Radiator
Primochill PC Ice With UV Blue Dye Bomb
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