The Physics of Tides
what is the effect of the moon on tides?, why are there two tides per day?, where are the highest tides in the world, what about earth tides?, what about tides on the moon?, frequently asked question about tides, tidal trivia, why are there no ocean tides at the equator?, why are ocean tides so different everywhere?, exactly how did the earth and moon get locked into synchrony?, how is it that the sun tide is percent of the moon tide?, exactly how does tidal friction cause the lunar orbit to change?, how do you calculate the magnitude of the lunar tidal bulge?, why aren't the atlantic and pacific coast tides the same?, when will the proxigean tides arrive between 1999-2020?, what is a proxigean spring tide?, if the moon were to escape, what would happen to the earth's ocean?, why does the moon produce two water tides on the earth and not just one?, what causes the tides?, moon tides, how the moon affects tides.
data collection approach and sources, tidal resouce potential, applicable technologies, figure of aquantis ocean energy system, ocean energy system characteristics, energy production estimates, tidal power plant, tidal energy in colvos passage, one typical tidal cycle mid channel in colvos passage, environmental considerations.
Tidal Energy Overview
introduction to the technology, current market position and future potential, competitiveness of EU manufactures, market barries, technical development status, current RTD, future RTD needs, diagram of cross section of a tidal barrage.
Tidal Hydraulic Turbines LTD
tidal hydraulic generators LTD, animation still of the rig as viewed from the seabed, deployment of turbine hub leg assembly: general arrangement of pontoon, leg and turbine on test rig: dynamometer assembly, platform, counter weight, drive shaft, leg, pantoon, hub gearbox, turbine blades.
neap tides and spring tide : solar tide, lunar tide, state of the art/ current status, the tidal barrage, the follwing diagram is a simplified version of a tidal barrage: suice gates, barrage, turbine, estuary floor, low water mark, high water mark, bulb turbine, rim turbine, the power available from the turbine at any particular instant is given by : tidal streams, tidal fences and tidal turbines, impression of tidal turbine farm.
energy of tides, extracting tidal energy: traditional approach, aerial view of the la Rance tidal power plant, utilizing electric energy from tidal power plants, double helix turbine with electric generator for underwater installation, artist rendition of the floating tidal power plant with vertical triple helix turbines for uldolmok strait.
Wave and Tidal Power
wave power sea based devices, operation of the salter duck , shore based systems, OWC schematic, construction of OWC, installing an OWC unit, power from tidally generated coastal currents, tidal fences, tidal turbines,
Puget Sound Tidal Power LLC
renewable, distributed, constant, predictable, zero impact energy
Harvesting Energy From Tides
concept, materials, preparation, procedure, acitivity, explanation, extension, tidal dam design: tunnel, pressure from the flowing water spins the turbine, at high tide, water flows from the sea to the basin, basin side, ocean at high tide, ocean side.
basic science of tides, historical aspects, new technology from an old idea, la rance case study, seven project will there ever be a barrage?, long island sound barrage case study for the future, funday bay case study, environmental impacts of tidal energy, economics of tidal energy, policy concerns, other tidal schemes, a more futuristic approach, artificial reef turbine program.