How would one achieve this C/W?

[joeswm8]

How would someone reach this thermal resistence?

Thermal Resistance: 0.032 C/W @ 1.5 GPM
Pressure Drop: 1.639 PSI @ 1.5 GPM

http://www.newegg.com/Product/Product.asp?Item=N82E16835108093


does it automatically achieve .032 C/W at 1.5GPM? what if it goes to 5GPM? what effect does the pressure drop have?

 

[Cromewell]

The pressure drop indicates how much head pressure the pump has to have to be able to pump water through the block. I think that if you went to 5GPM it would have a similar rating. If you had an unlimited supply of cold water then it would be a different story.

 

[joeswm8]

so would this pump achieve that C/W:
http://www.dangerden.com/store/product.php?productid=230&cat=4&bestseller

i see it says maximum head is 3.5 PSI but how do you regulate this?

And what do you mean by the unlimited supply of cold water would be a different story?

 

[Cromewell]

With all the cold water in the world you could pump it through as fast as possible and in theory cool it better.

I don't know about that pump, I found AC pumps are better than DC ones. IMO this is one of the best pumps you can get http://www.dangerden.com/store/product.php?productid=37&cat=26&page=1 It's as close to silent as you can get, even when air bubbles go through it it doesn't make much sound. The 1250 and 1260 are good as well but cost more.

 

[joeswm8]

ok so with either of those pumps then i can achieve that C/W?

how does it apply that pressure though and what does the pressure head mean?

 

[Cromewell]

Either pump should get it close enough for government work (nothing is perfect, the C/W is probably measured in an ideal environment)

Basically, if a pump has a 1.5m pressure head, it can pump water straight up 1.5m.

 

[joeswm8]

cool

so maybe instead of .032 like .05?

 

[Cromewell]

Sure...I don't know what the exact range would be. It depends on so many things. You can probably assume you're going to be +/- 5% or so of the C/W they specify.