In space power applications where solar inputs are the primary thermal source for the power system, energy storage is necessary to provide a continuous power supply during the eclipse portion of the orbit. Because of their potentially high storage density, flywheels have been given consideration for use as the storage system on the proposed orbiting space station. Use of improved graphite fibers in experimental flywheel rims has resulted in ultimate storage densities of 878 kJ kg-1 being achieved. With these high-strength fibers, operational storage densities for flywheel storage modules applicable to the space station storage need could reach 200 kJ kg-1. This module would also be volumetrically efficient, occupying only about 1 m3. Because the size and mass of the flywheel storage module are controlled by the storage density, improvements in fiber strength can have a significant impact on these values. With improvements in fiber strength that are anticipated, operational storage densities of the order of 325 kJ kg-1 may be possible for the flywheel module
Application of advanced flywheel technology for energy storage on space station
Anwendung fortgeschrittener Schwungrad-Technologie zur Energiespeicherung in Raumstationen
Space Electrochemical Research and Technology Conference, 14-16 April 1987, Cleveland, OH, USA ; 313-320
Journal of Power Sources ; 22 , 3-4
1988
8 Seiten, 5 Quellen
Aufsatz (Zeitschrift)
Englisch
Advanced flywheel energy storage system
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