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bigben2k: Calculating the pressure drop of two CPU blocks in parallel seems rather pointless to me.
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Only if you don't HAVE two CPU blocks! The system I'm working on will have a Tyan 2468UGN (Thunder K7) mobo. This is a dual Athlon MP based board, so I will have two CPU's to deal with...
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The actual application would be composed of a CPU block, and a GPU and/or NB block,
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Sorry BB2k, you need to go back up and re-read my original posts again. Perhaps I wasn't clear enough, though others seem to have gotten it.
The ACTUAL application I was asking about will consist of
TWO CPU blocks, and several smaller blocks (exact number unknown as yet) for hard drives, possibly NB, probably not GPU (I'm not into fancy video, so won't have a GPU that needs it).
I was asking about putting the CPU blocks on one or two loops, with the small blocks on an additional loop. I only had one loop in mind for the small blocks, but if that doesn't work well, I might split them up a bit (probably 3-4 small blocks per small block loop)
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both of which should be far less restrictive, which dictates the use of a valve. I'll admit however, that the GPU and NB should be in series.
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What makes you think the smaller blocks would be less restrictive? I am assuming, and basing my design setup on the idea that they would be far MORE restrictive!
Here's why:
- My CPU blocks will use 1/2" plumbing. My small blocks will use 1/4" or 3/8" plumbing.
- The loop(s) for the CPU blocks will be as short as I can easily manage. The loop(s) for the small blocks will be far longer.
- The CPU blocks may end up in series or parallel, but they will be the only items in their loop. The small blocks will probably all end up in one or two loops depending on how many of them there are. (If I split them into smaller loops, there will still be 2-3 blocks / loop.)
- The CPU blocks I'm planning to make with passage cross sections (1/2") at least as large as the plumbing for low restriction. The small blocks will likely be made with 1/4" copper tubing, and lots of bends.
I can't see ANYTHING that would make my small block loop less restrictive than the CPU blocks!
Gooserider