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Light Weight Space Power Reactors for Nuclear Electric Propulsion
A Nuclear Electric Propulsion (NEP) unit capable of propelling a manned vehicle to MARS will be required to have a value of a (kg/kWe) which is less than five. In order to meet this goal the reactor mass, and thus its contribution to the value of a will have to be minimized. In this paper a candidate for such a reactor is described. It consists of a gas cooled Particle Bed Reactor (PBR), with specially chosen materials which allow it to operate at an exit temperature of approximately 2000 K.doi:10.13182/fst91-a11946931 fatcat:acykhjdygfcvzdrw3dwl2wr6li