"Stirling engines." . . "Turbogenerators." . . . . "Rankine cycle." . . "Space power reactors." . . "Reactor design." . . . . . . . . . . . "Megawatt Class Nuclear Space Power Systems (MCNSPS) conceptual design and evaluation report. Volume III, Technologies II, power conversion"@en . . . . . . . "Brayton cycle." . . "Energy conversion." . . "Spacecraft power supplies." . . "Thermionic converters." . .