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Solar & Thermal Systems, Inc. |
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The Light is Green |
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Condenser |
The condenser is where the unrecoverable heat is removed from the working fluid. Regardless of how efficient the expander is, there will be a portion of the heat from the input stream that passes out of the expander. In order to continue the cycle, this vapor must be returned to the liquid state. The temperature and quantity of this waste-heat determines its usefulness. A large coal fired power plant far from a population center may dump 60% of the heat in the coal into the atmosphere, because there is simply no market for it. The nuclear plant on a submarine uses seawater for the same purpose. A small CHP system, might preheat the makeup air going into the HVAC system on a chilly day. Regardless of where the waste-heat goes, and just like the boiler, the heat sink has nothing to do with the ORC. |
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