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Caption: SWE - Proceedings of the First International Conference of Women Engineers and Scientists
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TABLE 14 Operating temperatures for large-scale direct generators, compared with certain flame temperature and refractory properties Temperature 8,500 7,800 7,000 Generator Flame Oxygen-cyanogen Hydrogen-fluorine Material Hafnium carbide melts Carbon evaporates Alumina melts Iron melts Magnetoplasmadynamic Thermionic Thermoelectric Fuel cells Modern steam turbine 6,000 5,000 (4,000 to 3,000 2,000 (1,800 to (1,500 1,200 Oxygen-acetylene Oxygen-hydrogen Blast furnace Kitchen range Source: "Electricity without Dynamos" J.W. Gardner 1963 111-32
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