Energy conversion Energy conversion An alternator is an electromechanical device that converts mechanical energy to alternating current electrical energy. Most alternators use a rotating magnetic field. Different geometries - such as a linear alternator for use with stirling engines - are also occasionally used. In principle any AC generator can be called an alternator, but usually the word refers to small rotating machines driven by automotive and other internal combustion engines. ...more on Wikipedia about "Alternator"
The aquanator is a proprietary device using aquafoils (an underwater version of airfoils) to generate electricity from water currents. These devices can be likened to underwater windmills. Unlike traditional tidal power, no weir is used to obstruct the flow of water. Such weirs can potentially disrupt the marine ecology. ...more on Wikipedia about "Aquanator"
The Bull Run Hydroelectric Project is a Portland General Electric development in the Sandy River basin in U.S. state of Oregon. Originally built between 1908 and 1912 near the town of Bull Run, it supplies electrical power for the Portland area. The project uses a system of canals, tunnels, wood box flumes and diversion dams to feed a remote storage reservoir and power house. The entire project is slated for decommissioning, starting in the summer of 2007, due to rising environmental costs. ...more on Wikipedia about "Bull Run Hydroelectric Project"
In a combined cycle power plant, or combined cycle gas turbine (CCGT) plant, a gas turbine generator is combined with a steam turbine generator with the objective to increase the efficiency of electricity generation. ...more on Wikipedia about "Combined cycle"
Condenser refers here to the shell and tube heat exchanger installed at the outlet of every steam turbine in Thermal power stations of utility companies generally. These condensers are heat exchangers which convert steam from its gaseous to its liquid state, also known as phase transition. In so doing, the latent heat of steam is given out inside the condenser. ...more on Wikipedia about "Condenser (steam turbine)"
A Deaerator is a device for air removal. In industry it is used to remove dissolved gases (an alternate would be the use of water treatment chemicals) from water to make it non-corrosive. With reference to a thermal power station, the word deaerator generally implies not only the deaerator but also the feed water tank below where deaerated water is stored and fed to the suction of boiler feed pumps. The description herein is mainly with reference to its use in thermal power stations. See also feedwater heating. ...more on Wikipedia about "Deaerator"
Dye-sensitized solar cells are photoelectrochemical cells that use photo-sensitization of wide-band-gap mesoporous oxide semiconductors. These cells were invented by Michael Graetzel et al.1) in 1991 and are also known as Graetzel cells. ...more on Wikipedia about "Dye-sensitized solar cells" Things Go Better with www.shortopedia.com.
An electric motor converts electrical energy into mechanical motion. The reverse task, that of converting mechanical motion into electrical energy, is accomplished by a generator or dynamo. In many cases the two devices differ only in their application and minor construction details, and some applications use a single device to fill both roles. For example, traction motors used on locomotives often perform both tasks if the locomotive is equipped with dynamic brakes. ...more on Wikipedia about "Electric motor"
Electricity generation is the first process in the delivery of electricity to consumers. The other three processes are electric power transmission, electricity distribution and electricity retailing. ...more on Wikipedia about "Electricity generation"
In physics and engineering, energy conversion is any process of converting energy from one form to another. Energy found in fossil fuels, solar radiation, or nuclear fuels needs to be converted into other energy forms such as electrical, propulsive, or cooling to be useful. Machines are used to convert energy from one form to another. The efficiency of a machine characterizes how well it can convert the energy from one form to another. ...more on Wikipedia about "Energy conversion"
Father Eugenio Barsanti (born Pietrasanta, October 12th 1821; died Searing, Belgium, April 19th 1864), also named Nicolò, was the Italian inventor of the Internal combustion engine. ...more on Wikipedia about "Eugenio Barsanti"
Fluidized bed combustion (FBC) is a technology used in the design of so-called clean coal power plants. FBC can also be used for other solid fuel power plants, such as biomass plants. Fluidized beds suspend solid fuels on upward-blowing jets of air during the combustion process. The result is a turbulent mixing of gas and solids. The tumbling action, much like a bubbling fluid, provides more effective chemical reactions and heat transfer. ...more on Wikipedia about "Fluidized bed combustion"
The Francis turbine was developed by James B. Francis. It is an inward flow reaction turbine that combines radial and axial flow concepts. ...more on Wikipedia about "Francis turbine"
A fuel cell is an electrochemical device similar to a battery, but differing from the latter in that it is designed for continuous replenishment of the reactants consumed; i.e. it produces electricity from an external fuel supply of hydrogen and oxygen as opposed to the limited internal energy storage capacity of a battery. Additionally, the electrodes within a battery react and change as a battery is charged or discharged, whereas a fuel cell's electrodes are catalytic and relatively stable. ...more on Wikipedia about "Fuel cell"
Gasification is a process that converts carbonaceous materials, such as coal, petroleum, petroleum coke or biomass, into carbon monoxide and hydrogen. ...more on Wikipedia about "Gasification"
Geothermal heating is a method of heating and cooling a building. It takes advantage of the natural stable warmth stored in the earth. Normally the earth temperature is around 55°F (12.8°C)at depths of 10ft (3m). This is accomplished by one of a number of methods. A heat pump uses the extracted water or transfer fluid as a heat source in winter and a heat sink in summer. Some heat pumps provide heating and cooling via forced air distribution others through the heating (or chilling ) of water for radiant type systems. Some systems are used to heat domestic hot water. ...more on Wikipedia about "Geothermal heating"
Geothermal power is the use of geothermal heat for electricity generation. It is a form of renewable energy. ...more on Wikipedia about "Geothermal power"
Homogeneous Charge Compression Ignition, or HCCI, is a form of internal combustion in which well mixed fuel and oxidizer (typically air) are compressed to the point of auto-ignition. As in other forms of combustion, this exothermic reaction releases chemical energy into a sensible form that can be translated by an engine into work and heat. ...more on Wikipedia about "HCCI"
In engineering and thermodynamics, a heat engine performs the conversion of heat energy to mechanical work by exploiting the temperature gradient between a hot " source" and a cold " sink". Heat is transferred to the sink from the source, and in this process some of the heat is converted into work. ...more on Wikipedia about "Heat engine"
Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. Less common variations make use of water's kinetic energy or undammed sources such as tidal power. Hydroelectricity is a renewable energy source. ...more on Wikipedia about "Hydroelectricity"
Hydropower is energy obtained from flowing water. Energy in water can be harnessed and used for this usefulness, in the form of motive energy or temperature differences. The most common application is the dam, but it can be used directly as a mechanical force or a thermal source/sink. ...more on Wikipedia about "Hydropower"
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In the technology of the steam engine, the indicator diagram was a device developed by James Watt and his employee John Southern to improve the efficiency of engines. ...more on Wikipedia about "Indicator diagram"
The internal combustion engine is a heat engine in which combustion occurs in a confined space called a combustion chamber. Combustion of a fuel creates high temperature/ pressure gases, which are permitted to expand. The expanding gases are used to directly move a piston, turbine blades, rotor(s), or the engine itself thus doing useful work. ...more on Wikipedia about "Internal combustion engine"
A jet engine is any engine that accelerates and discharges a fast moving jet of fluid to generate thrust in accordance with Newton's third law of motion. This broad definition of jet engines includes turbojets, turbofans, rockets and ramjets, but in common usage, the term generally refers to a gas turbine used to produce a jet of high speed exhaust gases for propulsive purposes. ...more on Wikipedia about "Jet engine"
In physics, nuclear fusion is the process by which two (or more) nuclei join together to form a heavier nucleus. It is accompanied by the release or absorption of energy depending on the masses of the nuclei involved. Iron and nickel nuclei have the largest binding energies of all nuclei and therefore are the most stable. The fusion of two nuclei lighter than iron or nickel generally gives off energy while the fusion of nuclei heavier than them absorbs energy. ...more on Wikipedia about "Nuclear fusion"
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