Engine List 2 - Atomic Rockets
This open-cycle coolant is expanded through a hydrogen-cooled nozzle of refractory metal to obtain thrust. The efficiencies are 96% thermal, 76% frozen-flow (mainly H 2 dissociation, less recombination in the nozzle), and 96% nozzle. A 940 MW th heat exchanger yields a thrust of 134 kN, and a specific impulse of 1 ksec, at a power density of ...
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