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Originally Posted by Ozymand
I have always wondered if it would of been possible to improve upon that design by using copper to aid in thermal transfer (mostly because I'm hoping to find more of a narrow/tall design for a external water-cooling unit rather than a short/wide form factor.. Xice initially interested me but then lost out when the performance was sub-par).
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After seeing some setups of varying degrees of sophistication, from downright ghetto to high art, I figure it's worth a shot. Rather than use a single run like Xice did, I'd think parallel runs would reduce restriction a lot. Regardless, the Swifty 6000 is a block that makes sense in a lot of ways, not just low flow performance. It is complex in its simplicity rather than simple in its complexity.
Check out the bottom of
thread.
Relevent info from lolito__fr: 50m of 4/6mm coiled LDPE pipe, 28 parallel runs coupled with 16/18mm copper manifolds. Total surface area: 0.94m2. Preliminary tests indicate very low flow resistance, and 7°C delta T at 45W (slightly worse than the hoped 5°C) -- and it is an open frame setup with 1mm wall plastic tube!
Also see
Medusa. Looks like the pictures are gone, though.
Despite it being in a 3 TEC system relevent info, 38c water 50m 8mm microbore soft copper tubing (whatever that is) in completely open still air setup, dropped to 26c water when unspecified domestic fan blown over it, which seemed to match or exceed the performance of his Saab heater core in a cooling tower.
I also saw in a post here, but cannot find, what looked like an evap bong but was a coiled tube forced air radiator that the owner claimed performed better than a heater core.
I think there is plenty of room for experimentation with long parallel runs of copper tubing/piping for passive with a chimney or forced air. I guess the rub is that with automotive heater cores being so cheap the majority of enthusiasts aren't interested, and even if you came up with something that worked well it would still be likely to be bigger than what would fit in a case, and even if it was the size of a small briefcase and had a handle for the guys that want to move their systems around, nobody would want to make it a product because of the materials cost and shipping weight
Bill A made a comment, probably off-hand, about having some ideas about radiator design for w/c, but nothing more developed out of it (at least in this forum, the only w/c forum I lurk in). I doubt he'd be working in the same paradigm, language barrier aside
