Some Novel Concepts in Approach to Harnessing Tidal Power

by Alexander M. Gorlov, Northeastern Univ, United States,
Ran Zuo, Northeastern Univ, United States,



Document Type: Proceeding Paper

Part of: Ocean Energy Recovery

Abstract:

The worldwide tidal energy potential remains undeveloped because of its low power density and high cost of constructing conventional hydroturbine power plants. The objective of this paper is to explore some new ideas in the approach to harnessing tidal energy, namely: (a) The hydropneumatic method which is based on converting the energy of the tidal current into the energy of an air jet for operation with air turbines instead of conventional hydroturbines. (b) The magnetohydrodynamic method (MHD) for direct conversion of the energy of the tidal current into electric energy by means of MHD generators, positioned along the watercourse. (c) Utilizing a light flexible barrier ('water sail') instead of a conventional rigid dam.

Subject Headings: Power plants | Hydro power | Electric power | Tides | Renewable energy | Energy conversion | Hydrodynamics

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