Overclock.net › Forums › Cooling › Water Cooling › WaterCooling Loop Question
New Posts  All Forums:Forum Nav:

WaterCooling Loop Question

post #1 of 9
Thread Starter 
Here are the parts for my watercooling loop:

pump:Swiftech MCP655â„¢ Series 12 VDC Water Pumps - Bare
rez:Bitspower Water Tank Z-Multi 250 - POM
cpu block:Watercool HEATKILLER® CPU Rev3.0 754/939/AM2 LT CPU Water Block
gpu block:EK waterblocks ATI radeon HD4890
rad:Black Ice Xtreme 3 High Performance Radiator - Black
tube:PrimoFlex Pro LRT Clear Tubing -1/2in. ID X 3/4in. OD
case: Corsair 700d

I was about to setup my loop as the following:
rez>>pump>>rad>>cpu>>gpu>>rez

when i started to think about the effects on the gpu when its getting water preheated from the cpu. would the loop below be better and or work ?
--------------------rez
---------------------||
-------------------pump
---------------------||
--------------------rad
---------------------||
-------------------/ /--\\ \\ <----(t-splitter)
------------------cpu---gpu
------------------||-------||
-------------------\\\\------//
--------------------\\\\----// <-------(t-splitter)
-----------------------||
----------------------rez

Any and all comments are welcome..
    
CPUMotherboardGraphicsRAM
Lapped AMD 955 Black Edition (C2) Asus M4A78T-E XFX-Radeon HD 4890 2x2GB DDR3 Mushkin 995567 @1333 7-7-7-20-27@1.94 
OSPower
Microsoft Windows 7 64bit & Various Linux Distros CORSAIR CMPSU-850TX 850W 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Lapped AMD 955 Black Edition (C2) Asus M4A78T-E XFX-Radeon HD 4890 2x2GB DDR3 Mushkin 995567 @1333 7-7-7-20-27@1.94 
OSPower
Microsoft Windows 7 64bit & Various Linux Distros CORSAIR CMPSU-850TX 850W 
  hide details  
Reply
post #2 of 9
Stick with the first configuration...res, pump, rad, cpu, gpu, res. The temperature difference will be negligible at best. Really the only thing that matters in loop order is to have the res immediately before the pump.
    
CPUMotherboardGraphicsRAM
i7 6700k @4.7ghz (from silicon lottery) Asus Maximus VIII Impact MSI GTX1080 G.Skill Ripjaws V Series 32gb @3200mhz  
Hard DriveCoolingOSMonitor
Samsung 850 EVO Swiftech Apogee XL2 Windows 10 Home 64 Bit Acer Predator Z35 
KeyboardPowerCaseMouse
Filco Multicam TKL Silverstone SFX-L 700w Lian-li PC-Q37 Logitech G303 
Audio
Creative Sound Blaster X7 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 6700k @4.7ghz (from silicon lottery) Asus Maximus VIII Impact MSI GTX1080 G.Skill Ripjaws V Series 32gb @3200mhz  
Hard DriveCoolingOSMonitor
Samsung 850 EVO Swiftech Apogee XL2 Windows 10 Home 64 Bit Acer Predator Z35 
KeyboardPowerCaseMouse
Filco Multicam TKL Silverstone SFX-L 700w Lian-li PC-Q37 Logitech G303 
Audio
Creative Sound Blaster X7 
  hide details  
Reply
post #3 of 9
Quote:
Originally Posted by _AKIMbO_ View Post
Stick with the first configuration...res, pump, rad, cpu, gpu, res. The temperature difference will be negligible at best. Really the only thing that matters in loop order is to have the res immediately before the pump.
Also, do whatever uses less tubing, with the least amount of sharp bends and kinks.
Swimmer's delight
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770k ASUS P6X58D-E 7970 Corsair XM3 6GB 8-8-8-24 
Hard DriveOptical DriveOSMonitor
2x Samsung Spinpoint F3 1TB|Seagate 700GB Sony Optiarc Black Windows 7 Professional x64 Dell U2711|U2311H|26" Insignia TV 
PowerCaseMouseMouse Pad
Corsair HX750 Corsair 800D R.A.T. 7 Albino Razer Kabuto 
  hide details  
Reply
Swimmer's delight
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770k ASUS P6X58D-E 7970 Corsair XM3 6GB 8-8-8-24 
Hard DriveOptical DriveOSMonitor
2x Samsung Spinpoint F3 1TB|Seagate 700GB Sony Optiarc Black Windows 7 Professional x64 Dell U2711|U2311H|26" Insignia TV 
PowerCaseMouseMouse Pad
Corsair HX750 Corsair 800D R.A.T. 7 Albino Razer Kabuto 
  hide details  
Reply
post #4 of 9
to get the most flow i would think you want your CPU and GPU directly after the pump and the radiator after that to cool back down the water.
3770k
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel 3770k @4.5ghz  Gigabyte Z68XP-UD4 EVGA GTX770 SC 16gb Gskill 1600mhz Ripjaws X 
Hard DriveHard DriveCoolingOS
Intel 530 SSD WD Black 1TB / Samsung 1TB F3 Corsair H110 Windows 8 
MonitorKeyboardPowerCase
27" Achieva Shimian Tempered Glass IPS LED moni... Logitech Solar Keyboard K750 PC Power & Cooling 750w NZXT S340 White 
MouseAudio
Logitech M510 Logitech z5300 
  hide details  
Reply
3770k
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel 3770k @4.5ghz  Gigabyte Z68XP-UD4 EVGA GTX770 SC 16gb Gskill 1600mhz Ripjaws X 
Hard DriveHard DriveCoolingOS
Intel 530 SSD WD Black 1TB / Samsung 1TB F3 Corsair H110 Windows 8 
MonitorKeyboardPowerCase
27" Achieva Shimian Tempered Glass IPS LED moni... Logitech Solar Keyboard K750 PC Power & Cooling 750w NZXT S340 White 
MouseAudio
Logitech M510 Logitech z5300 
  hide details  
Reply
post #5 of 9
Quote:
Originally Posted by tranman View Post
to get the most flow i would think you want your CPU and GPU directly after the pump and the radiator after that to cool back down the water.
How does that specifically get you the most flow?

It's been shown that there's very little difference in temperatures in loop order, especially since the water temperature will reach equilibrium over time. There will be hardly any difference between putting the rad before or after the CPU/GPU water blocks. What will impact performance more is the amount of tubing/kinks you have in your loop.

Also, running your blocks in parallel produces some problems. The two blocks will most likely have different resistances, so pushing the loop with a single pump will most likely lead to the inefficient cooling of one block. Just stick with cooling in series.
Swimmer's delight
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770k ASUS P6X58D-E 7970 Corsair XM3 6GB 8-8-8-24 
Hard DriveOptical DriveOSMonitor
2x Samsung Spinpoint F3 1TB|Seagate 700GB Sony Optiarc Black Windows 7 Professional x64 Dell U2711|U2311H|26" Insignia TV 
PowerCaseMouseMouse Pad
Corsair HX750 Corsair 800D R.A.T. 7 Albino Razer Kabuto 
  hide details  
Reply
Swimmer's delight
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 3770k ASUS P6X58D-E 7970 Corsair XM3 6GB 8-8-8-24 
Hard DriveOptical DriveOSMonitor
2x Samsung Spinpoint F3 1TB|Seagate 700GB Sony Optiarc Black Windows 7 Professional x64 Dell U2711|U2311H|26" Insignia TV 
PowerCaseMouseMouse Pad
Corsair HX750 Corsair 800D R.A.T. 7 Albino Razer Kabuto 
  hide details  
Reply
post #6 of 9
Quote:
Originally Posted by bfeng91 View Post
Also, running your blocks in parallel produces some problems. The two blocks will most likely have different resistances, so pushing the loop with a single pump will most likely lead to the inefficient cooling of one block. Just stick with cooling in series.
This, using a splitter will do more harm (temp wise) then good.
Old man river
(13 items)
 
  
CPUMotherboardGraphicsRAM
955 @ 4.2GHz 880GA-UD3H GTX 460(24/7 folder) Ripjaws 
Hard DriveOSMonitorPower
Caviar Blue 320GB Win 7 SR2320L XFX XXX 650 
CaseMouse
Tecnofront HWD Logitech MX-518 
  hide details  
Reply
Old man river
(13 items)
 
  
CPUMotherboardGraphicsRAM
955 @ 4.2GHz 880GA-UD3H GTX 460(24/7 folder) Ripjaws 
Hard DriveOSMonitorPower
Caviar Blue 320GB Win 7 SR2320L XFX XXX 650 
CaseMouse
Tecnofront HWD Logitech MX-518 
  hide details  
Reply
post #7 of 9
Parallel flow only works if both branches have nearly the exact same restriction, like identical GPU water blocks.
Otherwise you end up with more flow going through the less restrictive branch, potentially starving the other branch for cooling.

Quote:
Originally Posted by tranman View Post
to get the most flow i would think you want your CPU and GPU directly after the pump and the radiator after that to cool back down the water.
The flow is the same at all points in a series loop.
Grog
(21 items)
 
TC Folding Gimp
(14 items)
 
 
CPUMotherboardGraphicsGraphics
i7-950 Asus P6X58D-E Asus ENGTX470 BFG 9800GT 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT Velociraptor 3000HLFS Lite On DVD burner EK Supreme HF 
CoolingCoolingCoolingCooling
AquagraFX470 EK FC-88 Koolance RP402x2 MCP35x pumps 
CoolingCoolingOSMonitor
Phobya Extreme 200 and Quad 480 radiators. 9x Akasa Viper fans Windows 7 Ultimate Old LG Flatron 1680x1050 
KeyboardPowerCase
Logitech G15 + Logitech G13 game pad Thermaltake 850W Corsair 600T 
CPUMotherboardGraphicsRAM
Phenom x4 9650 Cheap MSI board EVGA GTX580 SC Junk PC-800 DDR2 
Hard DriveOptical DriveCoolingOS
WD Blue Generic DVD Cuplex Kryos HF CPU block, Swiftech MCW82 GPU b... Windows 7 Home Premium 
PowerCase
Antec True Power 650W >10 year old Antec something or other. 
  hide details  
Reply
Grog
(21 items)
 
TC Folding Gimp
(14 items)
 
 
CPUMotherboardGraphicsGraphics
i7-950 Asus P6X58D-E Asus ENGTX470 BFG 9800GT 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT Velociraptor 3000HLFS Lite On DVD burner EK Supreme HF 
CoolingCoolingCoolingCooling
AquagraFX470 EK FC-88 Koolance RP402x2 MCP35x pumps 
CoolingCoolingOSMonitor
Phobya Extreme 200 and Quad 480 radiators. 9x Akasa Viper fans Windows 7 Ultimate Old LG Flatron 1680x1050 
KeyboardPowerCase
Logitech G15 + Logitech G13 game pad Thermaltake 850W Corsair 600T 
CPUMotherboardGraphicsRAM
Phenom x4 9650 Cheap MSI board EVGA GTX580 SC Junk PC-800 DDR2 
Hard DriveOptical DriveCoolingOS
WD Blue Generic DVD Cuplex Kryos HF CPU block, Swiftech MCW82 GPU b... Windows 7 Home Premium 
PowerCase
Antec True Power 650W >10 year old Antec something or other. 
  hide details  
Reply
post #8 of 9
Quote:
Originally Posted by Caleal View Post
Parallel flow only works if both branches have nearly the exact same restriction, like identical GPU water blocks.
Otherwise you end up with more flow going through the less restrictive branch, potentially starving the other branch for cooling.

The flow is the same at all points in a series loop.
No flow direction is always the same in series loops. Flow rate (which i assume you were referring to) will vary after each component. Also series loops are the way to go 90% of the time.
Gaming PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 4.2 GHz Asus Rampage III Extreme ATI Radeon HD 5970 6 GB Corsair Dominator Tri-Channel 
Hard DriveOSMonitorKeyboard
32 GB OCZ SSD, 2x 150 GB WD Velociraptor 10000 rpm Windows 7 Ultimate 64 bit 2x Acer AL1622W Cyborg Eclipse 
PowerCaseMouse
850 W Corsair Modular Cool Master HAF 932 Logitec MX 518 
  hide details  
Reply
Gaming PC
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 4.2 GHz Asus Rampage III Extreme ATI Radeon HD 5970 6 GB Corsair Dominator Tri-Channel 
Hard DriveOSMonitorKeyboard
32 GB OCZ SSD, 2x 150 GB WD Velociraptor 10000 rpm Windows 7 Ultimate 64 bit 2x Acer AL1622W Cyborg Eclipse 
PowerCaseMouse
850 W Corsair Modular Cool Master HAF 932 Logitec MX 518 
  hide details  
Reply
post #9 of 9
Thread Starter 
Wow thanks for the great responses to my question...I figured that the series was the way to go, but was just wonder. Thanks all who contributed.
    
CPUMotherboardGraphicsRAM
Lapped AMD 955 Black Edition (C2) Asus M4A78T-E XFX-Radeon HD 4890 2x2GB DDR3 Mushkin 995567 @1333 7-7-7-20-27@1.94 
OSPower
Microsoft Windows 7 64bit & Various Linux Distros CORSAIR CMPSU-850TX 850W 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Lapped AMD 955 Black Edition (C2) Asus M4A78T-E XFX-Radeon HD 4890 2x2GB DDR3 Mushkin 995567 @1333 7-7-7-20-27@1.94 
OSPower
Microsoft Windows 7 64bit & Various Linux Distros CORSAIR CMPSU-850TX 850W 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Water Cooling
Overclock.net › Forums › Cooling › Water Cooling › WaterCooling Loop Question