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Originally Posted by dean.collins
what are zalman resrators made from?
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Aluminum
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I've been reading about galvanic corrosion but don't know what material I should be specifying these tanks to be made from.
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If you use aluminum, be sure to use a corrosion inhibitor in your coolant. If you're having a tank built, why not use brass or copper sheet? I'd guess you'd be better off with fins folded from the tank material rather than soldered on (solder's pretty bad for heat transfer)
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also is there any reason why no one replied or do most people here no own 19" racks so it's an unusual design.
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Most folks here do not use reserators (AFAIK). It's tricky and we mostly
know we don't know. For instance, air flowing up the side of your tank as it warms will likely be moving very slowly, which means it will probably stay in a thin layer alongside the tank ("laminar" flow). How important is this? I dunno - maybe a lot.
I keep thinking that the right passive design would look a lot like those pipe and fin arrangements in hot-water-heat registers (but wider fin spacing - that stuff is for a 30C temp differential).