Yes - I know.....

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Subject: Yes - I know.....
Name: Celstk855
Date: 7/13/2002 10:58:14 AM (GMT-7)
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In Reply to: Re: Anyone been playing with Peltiers lately? posted by ludicrous

but all the tube would be is a sheet - say 4x4 formed into a cylinder and possibly - not joined...if that is required for electical integrity.

As far as thermal losses go a cylinder would be a good idea in some respects to the point you noted.
As you increased the diameter of a cylinder the heat loss increases realative to the heat input flux of the inside. Unfortunately that may require a significantly thicker peltier and hence thermal conductivity problems may result.

Bottom line - I guess they are inefficient - but they may improve this.

aka - reverse thermocouple effect=peltier....understood.

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