RE: Request info about on Rad Batteries

[Andrew Buchan <Andrew.Buchan@ehs.ucsb.edu>]

They are also called Pelletier(sp?) junctions, and small 
ones can be found at computer stores/shows because they are 
now used to cool chips. This might be a cheaper alternative 
than getting one of those heater/cooler units.

regards
Andrew




On Thu, 20 Jul 2000 11:39:24 -0500 (CDT) "Neil, David M" 
<neildm@id.doe.gov> wrote:

> As mentioned a few weeks ago on a similar subject, the portion of the
> Radioactive Thermal Generator (RTG) that converts the decay heat to
> electrical energy is an array of Josephson junctions, sometimes called a
> Josephson pile.  If your student has access to one of those 12V picnic
> cooler/warmers, they contain one which could be used for a demonstration,
> with some sort of temperature differential. (They work both ways; electrical
> > thermal and thermal > electrical )
> 
> Dave Neil		neildm@id.doe.gov

-----------------------------------
Andrew Buchan     tel: 805-893-7256
UC Santa Barbara  fax: 805-893-8659
email: Andrew.Buchan@ehs.ucsb.edu
The above are my opinions and not neccesarily those of UCSB. 

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