I think vapor alone could do it. Make it pass through a turbine and cool it down the stream down to 100C and heat it again. It is how it is done in nuclear power plants.
2014-10-17 23:51 GMT-03:00 James Bowery <jabow...@gmail.com>: > Active cooling would work as well as active heating so you don't need to > worry about carnot efficiency. Start it up and then keep it just hot > enough by pumping a liquid, under controlled rates, with an appropriately > high boiling point and decent specific heat and conductivity through the > system at 1200C. Liquid metal of an appropriate amalgam or even some > liquid salts would do. > > -- Daniel Rocha - RJ danieldi...@gmail.com
