Sandia composite-rim flywheel development
Conference
·
OSTI ID:6554860
A series of flywheel spin tests completed in March, 1978 and the status of Sandia's current rotor development program are discussed. Two designs incorporating a 20 in. OD graphite/epoxy rim were tested. Each design utilizes a different method of attaching the rim to an aluminum hub with Kevlar 49/epoxy bands. Data on rotor performance, dynamics, and failure modes were gathered. Two rotors with a pin-wrapped hub design were spun to top speeds in excess of 2500 ft/sec. This corresponds to an energy density, based upon total rotor weight, of approximately 20 Wh/lb. These tests have helped identify areas requiring further research. In particular, there is a need for predictive dynamic analysis for this class of flywheel.
- Research Organization:
- Sandia Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- EY-76-C-04-0789
- OSTI ID:
- 6554860
- Report Number(s):
- SAND-78-1865C; CONF-781046-3
- Country of Publication:
- United States
- Language:
- English
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