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NASA patented a type of solar-powered Stirling engine on August 3, 1976. It used solar energy to pump water from a river, lake, or stream. [1] The purpose of this apparatus is to “provide a low-cost, low-technology pump having particular utility in irrigation systems employed in underdeveloped arid regions of the earth…[using] the basic principles of the Stirling heat engine“.
State-of-the-art AWG for home use. An atmospheric water generator (AWG), is a device that extracts water from humid ambient air, producing potable water. Water vapor in the air can be extracted either by condensation - cooling the air below its dew point, exposing the air to desiccants, using membranes that only pass water vapor, collecting fog, [1] or pressurizing the air.
The Kelvin water dropper, invented by Scottish scientist William Thomson (Lord Kelvin) in 1867, [1] is a type of electrostatic generator. Kelvin referred to the device as his water-dropping condenser. The apparatus is variously called the Kelvin hydroelectric generator, the Kelvin electrostatic generator, or Lord Kelvin's thunderstorm.
He states "only water molecules can pass the semipermeable membrane. As a result of the osmotic pressure difference between both solutions, the water from solution B thus will diffuse through the membrane in order to dilute solution A". [10] The pressure drives the turbines and power the generator that produces the electrical energy.
SIMEC Atlantis Energy Ltd (now just SAE) is a renewable energy company which is developing the MeyGen tidal array in the Pentland Firth between the Scottish mainland and Orkney. Since 2017, this has operated with 4× 1.5 MW tidal turbines, making it the largest tidal-stream array worldwide.
Two types of Tidal Stream Generators Evopod - A semi-submerged floating approach tested in Strangford Lough with SeaGen in the background.. A tidal stream generator, often referred to as a tidal energy converter (TEC), is a machine that extracts energy from moving masses of water, in particular tides, although the term is often used in reference to machines designed to extract energy from the ...
In October 2010, the newly named "MeyGen" tidal project from the nearby Castle of Mey and "Gen" for generation was created by a consortium of Atlantis Resources Limited, Morgan Stanley and received operational lease from the Crown Estate to a 400 MW project for 25 years. [6] In 2011 Norwegian partners Statkraft pulled out of the project. [7]
Ankerlig Power Station (previously known as the Atlantis OCGT power station) is one of five gas turbine power plants in South Africa and has the capacity to produce 1338 Megawatts. The plant name is derived from the Afrikaans form of the expression "raise the anchor" (Afrikaans "lig die anker"); it is intended to connote a community that ...