Results 171 to 180 of about 680 (206)
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The effects of pumping on the energy potential of a tidal power barrage
Proceedings of the Institution of Civil Engineers - Engineering Sustainability, 2003Low head, doubly-regulated (Kaplan) axial flow turbines are well suited to working in reverse as pumps. For good efficiency in both operations, the generating and pumping heads must be complementary. The Rance tidal power scheme in Brittany has been carrying out matched generating and pumping operations to good effect since it was commissioned in 1966.
T. L. Shaw, M. J. Watson
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Simplified Tidal Barrage for Small-Scale Applications
Journal of Energy Engineering, 1997The performance of a tidal barrage with no gates and continuous flow through its turbines has been investigated by simulation. Double-effect generation could be achieved with an axial-flow turbine that reverses direction after each half of the tidal cycle.
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The Effect of the Tidal Barrage on the Flows and Mixing in the Tees Estuary
1999Abstract The Tees estuary has recently been transformed by the construction of a barrage which has reduced the tidal length from 44 km to 18 km. The barrage now restricts the upstream movement of the salt resulting in the formation of a new freshwater region to landward. Surveys undertaken before and after construction of the barrage,
A M Riddle, R E Lewis
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Tidal Velocities Across a Partly-Completed Barrage
Journal of the Hydraulics Division, 1967The maximum velocities occurring over a partly-completed barrage during each tide cycle are considered. A simplified mathematical model is proposed and solutions using this model can readily be obtained using a computer. It is shown that results obtained (using the proposed model) for a given shape of tide curve can be generalized using a ...
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Engineering aspects of tidal power barrages: Their influence on the environment
Hydrobiological Bulletin, 1978A tidal power barrage will locally reduce the rise and fall of water level in the reservoir it creates when it produces electricity from the energy of the tides. This Paper sets out the character and principal effects of such a physical change, and indicates the possible influence of these changes on a range of environmental issues. The presentation is
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The optimum position for a tidal power barrage in the Severn estuary
Journal of Fluid Mechanics, 2009G. I. Taylor's approximate analytical solution for the tidal flow in the Severn estuary is extended to find the optimum location for a tidal power barrage, from the power point of view. It appears to be at the lowest point in the estuary, between Ilfracombe and Gower – contrary to earlier computations.
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Optimal control of tidal barrages considering economic factors
Proceedings of the European Wave and Tidal Energy ConferenceTidal barrage power plants generate power by virtue of the variations of the tidal elevation throughout the day. A tidal barrage consist of a dam, with turbines and sluice gates, that separates an inner basin from the sea, creating a hydraulic head between the inner basin water level and the sea water level. This head drives water through the turbines,
Agustina Skiarski +2 more
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“Firm” power from an integrated tidal barrage network
International Journal of Ambient Energy, 1994SYNOPSIS It is convenient, in the present period of (more than) adequate conventional electricity generation, to accept renewable sources of supply as merely “providers” of the commodity “as and when” the renewables' prime movers receive the necessary impetus to generate. The Non-Fossil Fuel Obligation (NFFO) stimulates this view by seeking to maximise
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Annals of the New York Academy of Sciences, 1994
MICHAEL J. ABRAHAMS, ALEX MATLIN
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MICHAEL J. ABRAHAMS, ALEX MATLIN
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