Analytical Model for Water Inflow of an Archimedes Screw Used in Hydropower Generation
Publication: Journal of Hydraulic Engineering
Volume 139, Issue 2
Abstract
Archimedes screws have become increasingly popular throughout Europe to drive hydropower plants using residual flow from a stream or river. This heightened usage of such screws during the past few years is attributable to their robustness, simplicity, and fish friendliness. Presently the dimensioning of a hydropower site equipped with an Archimedes screw is dependent mainly on the experience of the design engineer. This is so because there is no appropriate theory for the optimal hydraulic design of screws used at hydropower sites, especially for the water-inflow conditions. In this paper, a new analytical model for the water inflow is derived, and the optimal values of the inflow parameters are determined to achieve a planned inflow to the screw.
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Acknowledgments
This work was supported generously by the Deutsche Forschungsgemeinschaft Grant No. NU294/1-1. The authors are also grateful to Professor Moshe Kam and Professor Leonid Hrebien of the ECE Department of Drexel University for providing research facilities for this project.
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Information
Published In
Journal of Hydraulic Engineering
Volume 139 • Issue 2 • February 2013
Pages: 213 - 220
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Feb 8, 2012
Accepted: Jul 6, 2012
Published online: Jul 23, 2012
Published in print: Feb 1, 2013
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