Overclock.net › Forums › Cooling › Water Cooling › Will smaller diameter tubing really have much impact?
New Posts  All Forums:Forum Nav:

Will smaller diameter tubing really have much impact? - Page 2

post #11 of 20
Temp's transfer to water better at higher velocity...It causes turbulence in the blocks and in the rad...Thats basic WC'ing 101 there...You want your flow moving as fast as possible, after a certain point it doesn't help much, but I would put that point at around 2-2.5 gpm....Low flow sucks...
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8600 4545Mhz*9 w/1.29V DFI DK P45 XFX 8800 GS D9GKX & D9GMH 
Hard DriveOptical DriveOSPower
2x Seagate 160 Perp. RD-1 2x Asus Vista Premium Corsair HX 620 
Case
Open Bench 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8600 4545Mhz*9 w/1.29V DFI DK P45 XFX 8800 GS D9GKX & D9GMH 
Hard DriveOptical DriveOSPower
2x Seagate 160 Perp. RD-1 2x Asus Vista Premium Corsair HX 620 
Case
Open Bench 
  hide details  
Reply
post #12 of 20
Speaking of high velocity, this Stinger DP actually has better flow than the D-tek Fuzion,
which was the least restrictive block I own.
  
Reply
  
Reply
post #13 of 20
Quote:
Originally Posted by Dryadsoul View Post
Speaking of high velocity, this Stinger DP actually has better flow than the D-tek Fuzion,
which was the least restrictive block I own.

Yeah it looks nice...I'm going to have to get a all metal one when he starts producing them...
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8600 4545Mhz*9 w/1.29V DFI DK P45 XFX 8800 GS D9GKX & D9GMH 
Hard DriveOptical DriveOSPower
2x Seagate 160 Perp. RD-1 2x Asus Vista Premium Corsair HX 620 
Case
Open Bench 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8600 4545Mhz*9 w/1.29V DFI DK P45 XFX 8800 GS D9GKX & D9GMH 
Hard DriveOptical DriveOSPower
2x Seagate 160 Perp. RD-1 2x Asus Vista Premium Corsair HX 620 
Case
Open Bench 
  hide details  
Reply
post #14 of 20
I'm with you on that one, the budget plexi hold downs suck due to lateral play
via oversized barb holes. Full metal jacket WB's for me.
  
Reply
  
Reply
post #15 of 20
Still polishing this up, but I've nearly got V 1.3 ready to go. It has a whole bunch more components to pick from and I have a new components graphing tool that lets you turn on and off curves for different things to better compare them.

In the end it's not so much does tubing size matter, it is restrictive. It just depend what else you have in your system and what pump. If you run some highly restrictive blocks, small tubing may be enough to be really important. Most common setups with a good DDC or D5 pump usually don't have a problem and could easily run 3/8" tubing. But if you decide you want to run a swiftech storm and a pair of D-tek GFX blocks..you're going to have flow rate problems.

Attached is my beta 1.3 estimator for Excel
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
  hide details  
Reply
post #16 of 20
Great work there Martin! I may not get that V8 headed you direction till after the 1st.
BTW can you use a Bonnie core? Have an extra that's yours if so.
  
Reply
  
Reply
post #17 of 20
Quote:
Originally Posted by Dryadsoul View Post
Great work there Martin! I may not get that V8 headed you direction till after the 1st.
BTW can you use a Bonnie core? Have an extra that's yours if so.
No problem I still have some pressure drop tests I havn't finished up, taking a little break from the testing and playing around with this estimator.

Yeah I could use the core , I've been thinking about a third loop for a while now and I could also run a pressure drop curve on it just to throw in the mix. Let me know if you want something for it, I'll put it in the box on the way back with the V8.
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
  hide details  
Reply
post #18 of 20
First off...will it really do that much to have a second pump right after the first pump?

I had a similar experience when I added quick disconnects to my loop. the fittings were the same but the internal parts shrink down in diamiter a fair amount.

I did the how long to pump a gallon and I found out with the water going through my QDs it took about 1.3 seconds longer to move a gallon of water. I figured that wasn't that big of a deal so I put them in my loop and it made my temps rise on my CPU and GPU by about 2°C...that's about a hour under a full load...but when I added the second radiator it dropped way more than that and made up for it.

The convience made it worth it since I like to take my rig to a LAN every now and then. I sort of have a water cooling docking station set up. I can go with all internal water cooling on a single 120mm radiator on the road with about +15° temps which is still ok and then when I get home I snap in a one gallon resavior and an additional 2x120mm radiator to keep it nice and cool at my full over clock. works pretty sweet if you ask me.
My System
(16 items)
 
  
CPUMotherboardGraphicsGraphics
2600K @ 4.7GHz Asus P8P67 B3 GTX 580 EVGA Hydro Copper 2 GTX 580 EVGA  
RAMHard DriveOptical DriveOS
4x4GB G.Skill Ripjaws bunch of 'em Blu-Ray For movies Windows 8.1 
MonitorMonitorKeyboardPower
24.4" Hans G HH251 X2 Yamakasi DS270  Blah 1000watt Super Flower 
CaseMouseMouse PadAudio
Built into Desk Microsoft SideWinder X8 Comfy one... Creative Extreme Gamer 
  hide details  
Reply
My System
(16 items)
 
  
CPUMotherboardGraphicsGraphics
2600K @ 4.7GHz Asus P8P67 B3 GTX 580 EVGA Hydro Copper 2 GTX 580 EVGA  
RAMHard DriveOptical DriveOS
4x4GB G.Skill Ripjaws bunch of 'em Blu-Ray For movies Windows 8.1 
MonitorMonitorKeyboardPower
24.4" Hans G HH251 X2 Yamakasi DS270  Blah 1000watt Super Flower 
CaseMouseMouse PadAudio
Built into Desk Microsoft SideWinder X8 Comfy one... Creative Extreme Gamer 
  hide details  
Reply
post #19 of 20
Quote:
Originally Posted by Vagrant Storm View Post
First off...will it really do that much to have a second pump right after the first pump?
You can check that in my estimator as well, just put 2 in for the pump you've picked. It typically results in 15 to 30% more flow rate depending on has steep your pump and systems curves are.

The other benefit of running series is redundancy. I tested flow rate on accident with a series test and forgot to plug in one pump. To my suprise I hardly lost any flow rate over running a single pump. So if you ran series and one pump failed, you'd still have one happily plugging along, the harder part would be having something in place to let you know it died. That could be RPM monitoring software, or a pressure guage.
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
3930K ASrock X79 Ext7 Evga GTX570 CORSAIR Vengeance 16GB 
Hard DriveOptical DriveOSMonitor
Phoenix SSD+2TB Seagate drives ASUS DVD-RW combo Windows 7 28" Hanns-G HZ281 
KeyboardPowerCaseMouse
MS Natural Corsair TX650 Danger Den Torture Rack Logitech MX518 
Mouse Pad
Desk 
  hide details  
Reply
post #20 of 20
Thread Starter 
Thanks for everybody's comments .

I scrounged around and found enough bits in my tool boxes to integrate the two 1000lph (US 264gph) pumps without having to spend any money at all, so I went ahead with the existing 6mm ID tubing .

After I got everything in, I ran some benchmarks and found that my load temps (under ORTHOS) are 2°C lower with these two pumps in, than with my old single 720lph (US 190gph) pump. This is 2°C lower, with all the bubbles currently circulating my loop, so no-doubt temps will improve a tiny bit when all/most of the bubbles are gone .



I'm amazed at just how quiet these pumps are as well . They are a bit noisier than my old pump, but there are two of them and they are a bit more powerful. I intend to add some noise dampening foam to the box they're in, soon, to cut their sound emissions down below that of my old pump, so they'll be virtually inaudible at some point .

Now I just need a 3x120 radiator and perhaps a D-TEK FuZion CPU block and I'll have even better cooling performance .

According to “Martin's Flow Rate Estimator v1.3” the effect of the different tubing sizes seems to be a lot less than the effect of the CPU/GPU blocks and rads on flow rate, so I figure 6mm ID tubing is fine with the set-up I currently have and should continue to be OK when I replace my 2x120 rad with a 3x130 one, especially so if a get a D-TEK FuZion CPU block, which almost undoubtedly has less resistance than my existing CPU block .

Anyway, thanks again for everybody's input, it's been interesting .

REPs for those of you that tried to help .

Highly-Annoyed



    
CPUMotherboardGraphicsRAM
Q6600 @ 3.6GHz (400x9) Gigabyte EP45-DS3P HD4850 512MB 630/1000 4GB DDR2-800 OCZ Gold Rv.2 
Hard DriveOptical DriveOSMonitor
700GB SATA300 Storage Sony: 1x DVDROM, 1x DVDRW XP Home SP3 17" LCD (Black/Silver) 
KeyboardPowerCaseMouse
Dell Quietkey Spacesaver Corsair TX 750W Antec SLK3700-BQE (Black) Logitech RX250 USB 
Mouse Pad
Black Generic 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Q6600 @ 3.6GHz (400x9) Gigabyte EP45-DS3P HD4850 512MB 630/1000 4GB DDR2-800 OCZ Gold Rv.2 
Hard DriveOptical DriveOSMonitor
700GB SATA300 Storage Sony: 1x DVDROM, 1x DVDRW XP Home SP3 17" LCD (Black/Silver) 
KeyboardPowerCaseMouse
Dell Quietkey Spacesaver Corsair TX 750W Antec SLK3700-BQE (Black) Logitech RX250 USB 
Mouse Pad
Black Generic 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Water Cooling
Overclock.net › Forums › Cooling › Water Cooling › Will smaller diameter tubing really have much impact?