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Water Block Design / Construction Building your own block? Need info on designing one? Heres where to do it |
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10-09-2002, 08:46 PM | #1 |
Cooling Savant
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A different kind of spiral...
OK, this was "inspired" by jaydee16 in this thread here.
He was a bit frustrated, but I think I got his drift. Comments? Criticisms? (I have my own re: manufacturability!) Bob first pic:
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10-09-2002, 08:48 PM | #2 |
Cooling Savant
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In at the bottom, out at the top.
second pic:
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10-09-2002, 09:37 PM | #3 |
Cooling Neophyte
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Excuse my awful English. I find the center of its block too fine. I have built one similar but without helix.
More details can be seen in: http://www.arkania.org/~jordimarch/i...ewlang=spanish I don't have elements for of carrying out good mensurations. 36ºC cpu 21ºC atmosphere measured with MBM 20 minutes CPU-Burn ECSk7s5a XP1800@1643 |
10-09-2002, 09:55 PM | #4 |
Cooling Savant
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Aitor... that looks sweet...
You are almost at the same temps I'm at (36.3ºc-Core in 24.1ºC air) what kinda radiator are you using there... and what is you fluid temps to get that.... that coil looks awesome man... but one problem... Manufacturing it...
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10-09-2002, 10:25 PM | #5 | |
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Re: A different kind of spiral...
Quote:
Nice looking block aitor! |
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10-09-2002, 10:41 PM | #6 |
Cooling Neophyte
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Sort of like the Innovatech...
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10-10-2002, 03:08 AM | #7 |
Cooling Savant
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That is very good idea Bob, do try to make one and test it. Also flow rate shouln't be restricted too much because of the spirall, now the only thing is what would be the optimal cross section of the chanell and the step of thet helix.
aitor, yes sweet looking waterblock you have there, good job
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10-10-2002, 03:51 AM | #8 |
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How about a 'triple' thread, three chanels opening together?...
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10-10-2002, 06:33 AM | #9 | |
Cooling Savant
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Quote:
Bob
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10-10-2002, 08:17 AM | #10 |
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Hmmm?, a double thread would be like slipping two springs into each other from the side, two parralel channels for the water to run up. you could hve three or more but i't be harder the more you had.
Get a pencil and two bits of string, then wrap them around the pencil without them overlaping, think of them as the water channels. PS, I though of three at first cause thats the height (in threads) of the inlet. |
10-10-2002, 09:16 AM | #11 | |
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Quote:
Bob Hey! My 100th post!
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10-10-2002, 12:02 PM | #12 | |
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Quote:
Bob
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10-10-2002, 12:16 PM | #13 |
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IMO, it would perform dismally:
Since the water would be forced into a circular path (already restrictive), the centripedal forces would push the heavier water out the sides. By "heavier water" I mean cold water, since hot water has a lower density. I think you'd get better performance shooting water around a central post, even a screw or bolt! my .02... |
10-10-2002, 12:20 PM | #14 | |
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Quote:
edit: just saw temps: 36C isn't bad, but for what CPU, and what OC? |
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10-10-2002, 12:41 PM | #15 | |
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Quote:
Comprised of 3 helixes rotated 120 degrees. Problem with this is the dead spots caused by the single opening slot. Perhaps a plenum-type inlet/outlet....hmmm Here's the pic:
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10-10-2002, 12:45 PM | #16 | |
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Quote:
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10-10-2002, 12:57 PM | #17 | |
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10-10-2002, 01:07 PM | #18 |
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PROBLEM
It looks cool, but I suspect you'll get very poor flow where you need it the most--at the base.
At a glance, it looks like water feeds in on several 'ramps' in parallel at the bottom, and goes merrily along to the top, where it exits the ramps. But it won't work that way. The water on the bottom ramp has to merge with the water entering the second, and they both have to merge with the water coming in on the third...and since water is incompressible, it has to move faster to move a greater volume of water. I don't see any way of balancing it, either. For an analogy, think of the parking garages in big cities, and how much of a pain in the butt it is for everyone on the different levels to merge onto the spiral ramp. Cool looking design, though. <edit>Also, since water is a fluid, it's going to take the easiest path. The path with the least resistance due to direction changes/centrifugal force, etc. is the one where the water enters the highest input, and exits at the lowest output. The path with the least resistance due to friction between the water and the block, and also between the water and itself also happens to be that same shortest path. In effect, it's basically only going to touch the middle of the block, and leave stagnant hot water at the base. Now convection will counteract this, but not by much, I suspect. </edit> |
10-10-2002, 10:55 PM | #19 |
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Regarding the requested values I apologize for not being able to give more data but I don't have probes neither thermometers to be able to carry out any mensuration type. The values of temperature of the cpu and voltages were measured with the mother monitor. The temperature of the water with a fishbowl thermometer.
Athlon xp1800+@1643(143*11.5) Full= 36ºC (20 minutes CPU-Burn) idle= 30ºC Temp. H2o = 26ºC Temp. room =21ºC Pump Regent ?????l/h ????psi Radiator = car Fiat147 (71/4"x5"x1") 1 Sunon 120m.m. utabintarbo my suggestion in the figure (difficult mechanized) aitor |
10-11-2002, 04:30 AM | #20 |
Thermophile
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I think a single 'Course' thread, (like a woodscrew rather than a bolt) might have a chance of cooling. but it's ignoring the bottom where all the heat is, saying that Inovatech get along all right don't they?:shrug: ...
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10-11-2002, 06:53 AM | #21 | |
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Quote:
Bob
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