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Re: Oct 11 - Part IV: Current Hot Topic 1: Energy Harvesting – Using Energy Harvesting to Power Wireless Sensors
bwilson2001   10/11/2012 2:52:35 PM

The TEG is usually thermall connected to the heat source and the other side is exposed to the cooler ambient air & uses a heat sink to create the temp differential.

Some systems use the temp differential a heating system warm air in the heat plenum and the cooler ambient air of the environment. The reverse could also be used.

Also the differential between hot and cold pipes in a hot water heat system...

The key is the thermal coupling for many of these applications.

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