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Total 8 documents matching your query.

1. New technology for A/C Retrofit (score: 1): Author: "Carlo Roberto Bernardino M.D." <crbernardino@mac.com>; Date: Mon, 25 Jul 2005 11:13:39 -0400; Thought the group would be interested in this news bit - a new A/C system developed without freon. Uses chips and ultimately would be a great idea for retrofitting to tight quartered Tigers and Alpin; /html/tigers/2005-07/msg00176.html (7,428 bytes)
2. RE: New technology for A/C Retrofit (score: 1): Author: "Theo Smit" <theo.smit@dynastream.com>; Date: Mon, 25 Jul 2005 09:49:01 -0600; Hi Carlo, Sorry to burst this bubble... The Peltier cooling chips upon which their "invention" is based, are typically 5 to 10 percent efficient (i.e. it takes 100 watts of power input to produce 5 t; /html/tigers/2005-07/msg00178.html (8,990 bytes)
3. RE: New technology for A/C Retrofit (score: 1): Author: "Theo Smit" <theo.smit@dynastream.com>; Date: Mon, 25 Jul 2005 15:03:15 -0600; Hi all, Looks like I was unnecessarily pessimistic on one count there... The basic raw efficiency of Peltier coolers (such as are used in high-performance CPU cooling systems) is actually up in the 6; /html/tigers/2005-07/msg00181.html (7,795 bytes)
4. Re: New technology for A/C Retrofit (score: 1): Author: DJoh797014@aol.com; Date: Mon, 25 Jul 2005 18:53:30 EDT; A few years back a Purdue University grad student came up with a new AC unit based upon compression and expansion of air in a chamber. Purdue is now looking into commercially vending the unit. The d; /html/tigers/2005-07/msg00184.html (7,683 bytes)
5. Re: New technology for A/C Retrofit (score: 1): Author: "Tom Witt" <wittsend@jps.net>; Date: Mon, 25 Jul 2005 16:17:20 -0700; Also of note, back when the TV show "Screen Savers" was actually worth watching they would often overclock CPU's. As best I recall it was actually a liquid system that they used to dissipate the grea; /html/tigers/2005-07/msg00185.html (9,467 bytes)
6. Re: New technology for A/C Retrofit (score: 1): Author: stubrennan@comcast.net; Date: Tue, 26 Jul 2005 00:38:28 +0000; Might that Purdue AC unit be the acoustic one I remember hearing about? It worked, but the principles involved the compression and expansion of air using sound waves. It worked, but it was noisy as h; /html/tigers/2005-07/msg00186.html (7,394 bytes)
7. RE: New technology for A/C Retrofit (score: 1): Author: "Theo Smit" <theo.smit@dynastream.com>; Date: Tue, 26 Jul 2005 10:06:55 -0600; This is getting off topic a little, but I found a link by searching "acoustic refrigeration": http://www.light-science.com/cosound.html 173 dB... Ouch. In other news, I also read somewhere that Toyot; /html/tigers/2005-07/msg00188.html (7,551 bytes)
8. Re: New technology for A/C Retrofit (score: 1): Author: Drmoonstone@aol.com; Date: Tue, 26 Jul 2005 23:44:17 EDT; You can find info at http://www.tetech.com/assys/air.shtml http://www.siliconchip.com.au/cms/A_30311/article.html http://jchemed.chem.wisc.edu/Journal/Issues/1996/Oct/abs940.html http://www.heatsink-; /html/tigers/2005-07/msg00190.html (7,729 bytes)

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