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Custom 62mm TEC Water block - Page 25  

post #241 of 680
Well yeah but even 10% would be pretty good, 30% is a lot.
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theonering
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post #242 of 680
Thread Starter 
Now i have 1mm deep holes in the bottom ! it works awesomely !
i"ll try them at 0.5 deep and if there better i'll post it

Man the calculations are taking ages now, and i'm using to much mem i have end a whole bunch of tasks to get it to run now ...
I really need a 64bit OS




LL
LL
LL
post #243 of 680
Lookin' good! I'm thinking that you should also put some of those holes in the center, I imagine that they would work especially well with all the turbulence in that area.
    
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post #244 of 680
wow, those holes work way better than i ever imagined... i think you can double the amount by putting em right inside the cutouts... but i wouldnt do that untill later... we know they work now, so id save the effort till later.
post #245 of 680
Thread Starter 
Quote:
Originally Posted by ChielScape View Post
wow, those holes work way better than i ever imagined... i think you can double the amount by putting em right inside the cutouts... but i wouldnt do that untill later... we know they work now, so id save the effort till later.
yeah the holes did work better than i thought too

Ok i tried them at 0.5mm but cooling was better at 1mm

I also put them closer together and increased the number BUT i got better temps with less spread out more. SOOOOO the above pic is what i'll be using i think ....

However i need a general block redesign .... by they way 30% gain may actually be possible now. Oh and man it's going to take a life time to machine this block
post #246 of 680
what are you thinking of when you say general redesign?
post #247 of 680
Quote:
Originally Posted by Ultrasonic2 (muffy) View Post
Now i have 1mm deep holes in the bottom ! it works awesomely !
i"ll try them at 0.5 deep and if there better i'll post it

Man the calculations are taking ages now, and i'm using to much mem i have end a whole bunch of tasks to get it to run now ...
I really need a 64bit OS
Relax the convergence criteria and/or reduce the control volume mesh density. Once things get this tough on your PC with CFD you have to start making sacrifices unless you want to start investing in a crazy rig or distributed cluster.

Is this Solidworks your using I assume from searching around. Do you know which solver this uses? Does it uses Finite Volume Method or Finite Element Method or Finite Difference Method, or some other method I haven't mentioned? If your unsure about any of these terms, you probably should start finding out about them, otherwise the validity of your results up until now will be dubious unless your sure that the results are converging and your running a nice uniform Mesh. And you can also expect having to start waiting millenia for your results to finish with these more turbulent, but possibly more effective designs!

alk

edit: Heat flux contours of the last design please
Edited by alk - 8/1/09 at 3:09am
    
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post #248 of 680
Thread Starter 
Quote:
Originally Posted by ChielScape View Post
what are you thinking of when you say general redesign?
Well i want to put the seal into the Copper, which will help with some issues i have .. To do that i need to make the area for the fins and channels narrower. However it dont want to decrease the fins and channels width as they are laid out now . SO I can turn the Fin Channel layout 90 degrees then i can take a bit off their length which i think wil have little impact on the performance of the block ... it will help increase the flow rates actually since the path will be shorter

ALSO .. i want to put some cut outs on the 180 turns to do this i would reduce the length of them. This would also have the benfit of reducing the distance the water has to travel which will help to increase flow rates too
post #249 of 680
sounds good.
post #250 of 680
man with adding those bumps this is a pretty sweet block . Not that it wasn't before but it's better now .
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