Yes - that is exactly why I mentioned a particular organic Rankine cycle Turbine which can provide close to 15% thermal efficiency at 500 C :
http://www.infinityturbine.com/ORC/ORC_Waste_Heat_Turbine.html There are others, but the Stirling is in a lower range of efficiency. Since Infinity Turbine is obviously in production now, there is not wait on their end. As for the TEG - there is no thermoelectric generator available as a commercial item which will guaranteed 5% efficiency today. Wiki says the best is 3%. Even at 3% you get no guarantee, and they fail easily. Rossi knows not waste his time with thermoelectrics, which BTW was his most recent and glaring "failure to deliver". His vaunted TEGs - built at US taxpayer expense, were a gigantic disappointment - since Rossi claimed to get 20+ %, but in actual testing averaged 1%. That should be a warning of what to expect from the E-Cat, as well. Jones. -----Original Message----- From: Angela Kemmler > JR: Years ago a lot of money was put into OTEC generation, which has very > small temperature differences. Those techniques could be revived. Yes, why not. But please consider the practical efficiency: 3%. That is a value you reach also with thermoelectric elements. The theoretically highest value you may reach with OREC is around 6% (having sea water at 26/6 degrees C). But it is unclear if one day someone will reach these 6%. If I remember it correctly, Rossi wanted to guarantee 6 times more heat than input power. That's 16%, much higher than 3 or 6%. So, it will not work. --
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