Quote:
Originally Posted by deathtrain
personally I dont see this working at all. but haveing a positive attitude to anyones ideas and willingness to try it. if I read this right the bigger the heat differance the higher the out put. OK heat side against the exhaust right we get that. How about installing a CPU heat sink (with out fan) on the coolside. then it will "air cool" while the car is moving.
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This is the method I was thinking about trying... mount it on the exh manifold with a big CPU tower heatsink with air directed across it and right out the hood.
Anyway, these things are terribly inefficient. My company makes TE Refigerators for aircraft applications (No moving parts). They are astoundingly inefficient compared to a compressor cycle, and astoundingly expensive as well. They can't deal with the ~800-1500 deg temperature delta you'd get from the "hot" parts of your exhaust system.
Several manufacturers have tried to create a thermoelectric catalytic converter, but it hasn't proven to be cost effective at all.