Overclock.net › Forums › Cooling › Water Cooling › Brief question about a D5 place.
New Posts  All Forums:Forum Nav:

Brief question about a D5 place.

post #1 of 16
Thread Starter 
Hello everyone

I was planning to get a Laing D5, but for some reasons regarding the way my PC is built, it'd be much easier to make it

Radiator > pump > CPU > GPU > reservoir

than the usual recommendation of Radiator > CPU directly.

My question is, do D5s get THAT warm so I'll get a noticeable increase on the CPU temperature?
post #2 of 16
Quote:
Originally Posted by Eastrider View Post

Hello everyone

I was planning to get a Laing D5, but for some reasons regarding the way my PC is built, it'd be much easier to make it

Radiator > pump > CPU > GPU > reservoir

than the usual recommendation of Radiator > CPU directly.

My question is, do D5s get THAT warm so I'll get a noticeable increase on the CPU temperature?

nope, loop order doesn't matter except that you need to have the res right before the pump, can't have the radiator in between the two.
    
CPUMotherboardGraphicsRAM
Intel Processor Z97-PRO AMD Radeon R9 290 Series G. Skill 
Hard DriveHard DriveOptical DriveCooling
OCZ 128 Vertex 3 WD 1TB black Asus drive Corsair h100i 
OSMonitorKeyboardPower
Windows 8.1 BenQ 24 inch Rosewill rk9000 EVGA 850W GS 
CaseMouseMouse PadAudio
Corsair 540 Silver edition Steel Series Rival SS Qck+ Superlux 681 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel Processor Z97-PRO AMD Radeon R9 290 Series G. Skill 
Hard DriveHard DriveOptical DriveCooling
OCZ 128 Vertex 3 WD 1TB black Asus drive Corsair h100i 
OSMonitorKeyboardPower
Windows 8.1 BenQ 24 inch Rosewill rk9000 EVGA 850W GS 
CaseMouseMouse PadAudio
Corsair 540 Silver edition Steel Series Rival SS Qck+ Superlux 681 
  hide details  
Reply
post #3 of 16
Thread Starter 
Quote:
Originally Posted by Kainn View Post

nope, loop order doesn't matter except that you need to have the res right before the pump, can't have the radiator in between the two.

Ok, I should be able to get that done. But shouldn't the pump be able to such through the radiator? or is it just much less efficient?

Thank you for the input!
post #4 of 16
I don't have facts to back this up on my phone, but the pump shouldn't raise the temp any more than a degree I want to say.
    
CPUMotherboardGraphicsRAM
Intel Processor Z97-PRO AMD Radeon R9 290 Series G. Skill 
Hard DriveHard DriveOptical DriveCooling
OCZ 128 Vertex 3 WD 1TB black Asus drive Corsair h100i 
OSMonitorKeyboardPower
Windows 8.1 BenQ 24 inch Rosewill rk9000 EVGA 850W GS 
CaseMouseMouse PadAudio
Corsair 540 Silver edition Steel Series Rival SS Qck+ Superlux 681 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel Processor Z97-PRO AMD Radeon R9 290 Series G. Skill 
Hard DriveHard DriveOptical DriveCooling
OCZ 128 Vertex 3 WD 1TB black Asus drive Corsair h100i 
OSMonitorKeyboardPower
Windows 8.1 BenQ 24 inch Rosewill rk9000 EVGA 850W GS 
CaseMouseMouse PadAudio
Corsair 540 Silver edition Steel Series Rival SS Qck+ Superlux 681 
  hide details  
Reply
post #5 of 16
A D5 does put heat into the water but all water pumps do, there is just no way not to. In the worst case of a pump running at full speed and a very low restriction/ single block loop resulting in extreme flow, the most the pump can put out is 18 Watts heat. In a far more normal situation of a normal 1 GPM flow rate the heat is around 10 - 15 watts.
That level of heat is far too little to make a noticeable difference to water temps. Far less than a whole degree ... more like 0.1 degrees C
Edited by Jakusonfire - 6/9/13 at 1:29am
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
  hide details  
Reply
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
  hide details  
Reply
post #6 of 16
Quote:
Originally Posted by Jakusonfire View Post

A D5 does put heat into the water but all water pumps do, there is just no way not to. In the worst case of a pump running at full speed and a very low restriction/ single block loop resulting in extreme flow, the most the pump can put out is 18 Watts heat. In a far more normal situation of a normal 1 GPM flow rate the heat is around 10 - 15 watts.
That level of heat is far too little to make a noticeable difference to water temps. Far less than a whole degree ... more like 0.1 degrees C

Watts = Joules per second

Getting the heat load value in joules allows you to calculate the increase in temp, so here we go.


18 joules will increase liquids temp by 0.009degrees C (or 0.009478171376388degrees C to be exact)

WAY less than .1 degree C tongue.gif

Now lets factor in that D5s have a tenancy to dump their heat into the surroundings, rather than into the water. Seeing as how we don't know the exact % of the heat that is being dumped into the ambient air, and the % of the heat actually being added to the loop, we can only conclude the heat the pump makes will be so insignificant it won't matter in any way shape or form unless you have around 20 pumps in your loop, which is just insane.
Quote:
Originally Posted by Kainn View Post

nope, loop order doesn't matter except that you need to have the res right before the pump, can't have the radiator in between the two.

That isn't necessarily true, if his reservoirs output is above his rads input, and it's rads output is above his pumps input, and he has a really nonrestrictive radiator then there is no reason why you /couldn't/ do that, nor is the a reason you /shouldn't/ do that, however; that requires very specific circumstances in which it WILL work properly tongue.gif


In short, if possible keep it res->pump in a loop order, if that simply isn't at all possible for some odd reason, then alternatives are to be contemplated.
Edited by ZytheEKS - 6/9/13 at 1:50am
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
post #7 of 16
Quote:
Originally Posted by ZytheEKS View Post

Watts = Joules per second

Getting the heat load value in joules allows you to calculate the increase in temp, so here we go.


18 joules will increase liquids temp by 0.009degrees C (or 0.009478171376388degrees C to be exact)

WAY less than .1 degree C tongue.gif

Now lets factor in that D5s have a tenancy to dump their heat into the surroundings, rather than into the water. Seeing as how we don't know the exact % of the heat that is being dumped into the ambient air, and the % of the heat actually being added to the loop, we can only conclude the heat the pump makes will be so insignificant it won't matter in any way shape or form unless you have around 20 pumps in your loop, which is just insane.
That isn't necessarily true, if his reservoirs output is above his rads input, and it's rads output is above his pumps input, and he has a really nonrestrictive radiator then there is no reason why you /couldn't/ do that, nor is the a reason you /shouldn't/ do that, however; that requires very specific circumstances in which it WILL work properly tongue.gif


In short, if possible keep it res->pump in a loop order, if that simply isn't at all possible for some odd reason, then alternatives are to be contemplated.

Well, going on those numbers a 250 watt graphics card would only heat water by 0.125 C. I don't think you would find many people getting that result. I see roughly 1 degree C change from an overclocked 7970.

The worst case 18 Watt number is taken from Martins charts showing pump efficiency or the percentage of power going to moving water and to heat. D5's do transfer the majority of the waste heat they produce to the water flow thanks to their metal casing. You only have to touch the back of a working D5 compared to working DDC or especially a working 35X pump to feel the difference.

DDC type pumps do transfer some heat to the water as well however, they produce just as much waste heat as a D5 and even though their plastic housing might transfer it less efficiently It surely must put more heat into water flowing through it than can be simply carried away by ambient air.

Either way the numbers are small
Edited by Jakusonfire - 6/9/13 at 3:16am
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
  hide details  
Reply
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
  hide details  
Reply
post #8 of 16
Quote:
Originally Posted by Jakusonfire View Post

Well, going on those numbers a 250 watt graphics card would only heat water by 0.125 C. I don't think you would find many people getting that result. I see roughly 1 degree C change from an overclocked 7970.

The worst case 18 Watt number is taken from Martins charts showing pump efficiency or the percentage of power going to moving water and to heat. D5's do transfer the majority of the waste heat they produce to the water flow thanks to their metal casing. You only have to touch the back of a working D5 compared to working DDC or especially a working 35X pump to feel the difference.

DDC type pumps do transfer some heat to the water as well however, they produce just as much waste heat as a D5 and even though their plastic housing might transfer it less efficiently It surely must put more heat into water flowing through it than can be simply carried away by ambient air.

Either way the numbers are small

Let me rephrase: It would add 0.009478171376388degrees Celsius per pass tongue.gif and a 250watt card would increase liquid temps 0.131641266710 per pass.
http://www.conversion-website.com/energy/joule_to_Celsius_heat_unit_IT.html
Radiators need a dT before they can work, and with a delta-temperature of .2 degrees difference from ambient..... It's just not going to happen tongue.gif
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
post #9 of 16
What do radiators have to do with anything? We are talking about before and after temps ... thats all.

eg. 27C before card/ pump and 28C after card/ pump
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
  hide details  
Reply
Kusanagi
(21 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Asus Sabertooth Z77 EVGA GTX 780 SC Corsair Vengeance Pro CMY16GX3M2A2133C11 16GB 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 256GB X2 EK Supremacy Aqua Computer Aquaero 6 Pro Aqua Computer D5 USB 
CoolingCoolingCoolingCooling
Aquacomputer MPS 400 flow meter EK-CoolStream PE 360 EK-Coolstream PE 240 Noiseblocker Eloop B12-PS 
CoolingCoolingCoolingCooling
EK Vardar F2 EK-FC Titan Acetal & Nickel EK-RAM Monarch X4 Clean CSQ - Acetal+Nickel EK-D5 X-RES 140 CSQ 
OSMonitorMonitorPower
Win 8.1 Pro 64 bit Samsung S27A750d LG E2290V-SN Silverstone Strider Plus 850W ST85F-P 
Case
Corsair Obsidian 750D 
  hide details  
Reply
post #10 of 16
Quote:
Originally Posted by Jakusonfire View Post

What do radiators have to do with anything? We are talking about before and after temps ... thats all.

eg. 27C before card/ pump and 28C after card/ pump

I was talking about heat added to the loop (per pass)tongue.gif and failed to consider that heat will stay in the loop until a certain dT is reached biggrin.gif

Anyways back the point we were making: To the OP, the heat a single pump makes is so insignificant it shouldn't really be an issue unless you have upwards of 10-20 pumps biggrin.gif
Edited by ZytheEKS - 6/9/13 at 4:08am
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
The Laboratory
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8350 Vishera 8-Core 4.0GHz Asus Crosshair V Formula-Z Radeon R9 290X Generic 1333MHz R.A.M. 
Hard DriveOptical DriveCoolingOS
Wester Digital 5400RPM HP CH20L "The Russian Winter" Windows 8 
KeyboardPowerCase
Steel Series Merc Fatal1ty 1000Watt PSU DIY Rig 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Water Cooling
Overclock.net › Forums › Cooling › Water Cooling › Brief question about a D5 place.