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- Newsgroups: comp.arch
- Path: sparky!uunet!mole-end!mat
- From: mat@mole-end.matawan.nj.us
- Subject: Re: question on computer systems using Alpha ... (cooling)
- Message-ID: <1992Aug19.094652.11356@mole-end.matawan.nj.us>
- Summary: A note on dissipation
- Organization: :
- References: <1992Aug10.202955.4254@talon.ucs.orst.edu> <JAN.92Aug14135936@pallas.neuroinformatik.ruhr-uni-bochum.de>
- Date: Wed, 19 Aug 1992 09:46:52 GMT
- Lines: 21
-
- In article <JAN.92Aug14135936@pallas.neuroinformatik.ruhr-uni-bochum.de>, jan@pallas.neuroinformatik.ruhr-uni-bochum.de (Jan Vorbrueggen) writes:
- > Why doesn't anyone (to my knowledge!) use heat pipes, and/or stirling
- > engines for cooling big chips like the alpha?
-
- > Look at the design of the GC machines from parsytec. ...
-
- > Actually, cooling shouldn't be much of a problem ... For a 16k
- > processor GC machine, parsytec expects it to dissipate about 430kW.
- > Sounds like a lot? Now look at a 400 horse power truck motor. 400 hp
- > is roughly equivalent to 300kW, and the motor dissipates at least
- > twice that in heat (efficiemcy is around 30%). No problem, all you
- > need is a nice 60 km/h air flow into your computer room...
-
- But much of the truck's waste heat goes out the exhaust pipe. I don't
- know of any way to pull the heat out of either the bitbucket or the
- power line.
- --
- (This man's opinions are his own.)
- From mole-end Mark Terribile
-
- mat@mole-end.matawan.nj.us, Somewhere in Matawan, NJ
-