Bulk Water Flow to Power Marine Beacons
Publication: Journal of Energy Engineering
Volume 109, Issue 3
Abstract
A system has been designed which will convert the energy of bulk water flows, such as those found in tidal channels, estuaries, or large rivers. An immersed rotor of the Savonius type is used to drive an electrical generator. Results from model testing are presented, and scaled up to form predictions for a prototype. These suggest that sufficient power for marine beacons or similar applications would be produced in flows with a mean velocity of 1.6 ft/s (0.49 m/s) and higher, a requirement which is commonly met. Present indications are that the performance of the system might substantially be improved by ducting to guide the flow through the rotor; further studies, therefore, are required.
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References
1.
Alder, G. M., “The Aerodynamic Performance of the Savonius Rotor,” Proceedings, International Symposium on Wind Energy Systems, Amsterdam, Netherlands, 1978.
2.
Betz, A., “Das maximum der theoretisch moglichen Ausnutzung des Windes durch Windmotoren,” Zeitschrift fur das gesamte Turbinen wesen, Vol. 17, 1920.
3.
Manser, B. L., and Jones, C. N., “Power from Wind and Sea—the Forgotten Panemone,” Proceedings, Thermo‐fluids Conference on Energy: Transportation, Storage and Conversion, Brisbane, Australia, 1975.
4.
Sabzervari, A., “Power Augmentation in a Ducted Savonius Rotor,” Proceedings, International Symposium on Wind Energy Systems, Amsterdam, Netherlands, 1978.
Information & Authors
Information
Published In
Journal of Energy Engineering
Volume 109 • Issue 3 • September 1983
Pages: 142 - 151
Copyright
Copyright © 1983 ASCE.
History
Published online: Sep 1, 1983
Published in print: Sep 1983
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