This paper presents an outline of a conceptual design of a small solar power generation system for a space experiment using a Stirling engine as a thermodynamic power converter. This system produces 3 kWe of rated electric power continuously in low earth orbit. This power has the following two features. (1) It employs a thermal energy storage system on the hot side of a stirling engine in order to work continuously in the course of eclipse as well as insolation. Latent heat of molten LiF is utilized for thermal energy storage. (2) The stirling engine consists of one displacer driven by an electric motor and two free power pistons moving in the opposite direction from each other. This leads to a reduction of weight, size and vibration. A preliminary study of the LiF unit and the linear induction generator have been almost completed. A protomodel of the stirling engine generator was integrated in 1987 and tested from 1988. Experiment in orbit is scheduled for 1994 using the space flyer unit.
Conceptual design of a solar dynamic power generation system for a space experiment
Entwurfskonzept fuer eine thermodynamische Sonnenkraftanlage fuer das Raumexperiment
Space Power ; 7 , 3/4 ; 227-234
1988
8 Seiten, 7 Bilder, 1 Quelle
Aufsatz (Zeitschrift)
Englisch
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