This energy trapped in the reactor is used as a heat source to drive a steam turbine and create electricity. |
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In the late 1990s Honda was developing turbine engines for aircraft, and composite airframes. |
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Our wind turbine and hydro worked virtually without hiccup, making our lives sensitive to fluctuations between energy abundance and paucity. |
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Also, since solar power is not produced at night, a wind turbine can provide the electricity at this time. |
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A Danish engineer, Johannes Juul, was the first to connect a wind turbine with an AC generator to the electrical grid. |
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Danish wind turbine builders subsequently increased their lead over competitors. |
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One wind turbine can supply the electricity needs of more than 650 homes and cuts the amount of harmful greenhouse gases in the environment. |
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He praised Hongkong Electric's plan for a wind turbine on Lamma, and urged the territory's largest energy company, CLP Power, to try to catch up. |
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Every kWh of energy demand supplied by a wind turbine reduces the demand on conventional power stations, and therefore reduces carbon emissions. |
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The centre is built entirely of sustainable materials, and produces its own energy through a wind turbine and solar panel. |
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I am considering installing a wind turbine to generate the electricity for my small rural home. |
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The state-of-the-art equipment was originally designed to examine rocket motor assemblies and turbine blades. |
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The Tucano is meant to handle like a jet engine and, despite its propellers, it also has a turbine engine. |
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The bottom side looked like turbine blades in a jet engine, but they were moving slow enough to see. |
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Video shows the moment when lightning struck a wind turbine during the so-called weather bomb on Wednesday. |
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The sandbank area could accommodate up to 200 turbine bases, and the construction project will create an anticipated 420 new jobs. |
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Basically, it appeared it would be easier to get permission to build a nuclear reactor in downtown Toronto then raise a wind turbine. |
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The turbine powered three batteries to provide heat, lighting, and hot running water for the facilities. |
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These are used in aerospace engineering, turbine manufacture, and power generation. |
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Gas turbine engines have a great power-to-weight ratio compared to reciprocating engines. |
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Water from the Ouse will be diverted through a turbine and returned to the river after generating up to 450 kilowatts of electricity. |
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Eight steam turbine generators each produce 8,000 kilowatts of electrical power, enough to serve a small city. |
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The wind turbine drives the pump at varying speeds, pumping more in high winds than in low winds. |
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Water power will again turn the mill wheel and drive the turbine to provide electricity to light the building. |
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The reactor unit is on the left, the turbo compressor units are in the centre and the generator, power turbine and recuperator on the right. |
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The heat is not wasted but is used to make steam that drives a turbine that generates electricity. |
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Gases passed through the supercharger and out the wastegate, after driving the turbine bucket wheel. |
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The town is also installing a wind turbine this month next to the sewer plant as another element in its renewable-energy initiatives. |
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There is a robust replacement market or aftermarket, involving turbine repairs or rebuilding. |
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The sound of the rotary is unmistakably unique, somewhere between a jet engine and a turbine. |
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One day last winter, the tiny cups on an anemometer that measures wind speed on the turbine began gathering ice. |
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It was a tiny machine to which an Italian engineer applied a turbine to each of its four wheels, two for forward running, two for reverse. |
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To produce electricity, natural gas is burned in a turbine similar to a jet engine, and the turbine runs a generator. |
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The Archimedean screw turns as falling water from the top of the dam flows through it, activating a turbine and generating power. |
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She had to return to Southampton and have the turbine rotors completely redesigned and rebuilt. |
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In conjunction with the West Wales Eco Centre, Keith Knight is hoping to supply the electricity from his wind turbine to local people at a cheap rate. |
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Similar incentives convinced siemens to expand its wind turbine factory in Fort Madison Iowa. |
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This encourages us to constantly consider alternatives, such as the employment of a reciprocating engine in lieu of a turbine for power generation. |
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Should they malfunction or prove insufficient to slow the rotor in high winds, a large disk brake mounted on the generator shaft can smoothly bring the turbine to a halt. |
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The Union government has raised the administered prices of kerosene, liquefied petroleum gas, and aviation turbine fuel while leaving diesel and petrol untouched. |
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Looking farther into the future, the Army has a requirement for and has begun concept development of a future utility rotorcraft equipped with an advanced gas turbine engine. |
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That means the road, installation of the turbine and getting it going. |
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But this year there are high hopes for the Mill, an 18th century water-powered cotton and latterly saw mill believed to house the only surviving example of a Thompson turbine. |
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The heated oil is then used to boil water into steam, which turns a turbine that drives an electrical generator. |
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As the pressure differences are compensated, a turbine is spun creating energy. |
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Biomass energy can be produced from combustion of waste green material to heat water into steam and drive a steam turbine. |
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This design reduced the length of the engine, and the length of the drive shaft connecting the compressor and turbine, thus reducing weight. |
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They use steel monopole foundations driven in by a hydraulic hammer and each turbine has a landing platform for boat access. |
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A wind turbine is a device that converts the wind's kinetic energy into electrical energy. |
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Considerable development of these designs started after World War II, but at the time the aircraft industry favored the use of turbine engines. |
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The UK designs also had better materials such as the Nimonic alloys for turbine blades. |
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Conservation of mass requires that the amount of air entering and exiting a turbine must be equal. |
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Further inefficiencies, such as gearbox losses, generator and converter losses, reduce the power delivered by a wind turbine. |
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Vertical turbine designs have much lower efficiency than standard horizontal designs. |
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Any solid object produces a wake behind it, leading to fatigue failures, so the turbine is usually positioned upwind of its supporting tower. |
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In upwind designs, turbine blades must be made stiff to prevent the blades from being pushed into the tower by high winds. |
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It is also an advantage when the turbine is integrated into a building because it is inherently less steerable. |
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When a turbine is mounted on a rooftop the building generally redirects wind over the roof and this can double the wind speed at the turbine. |
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Another type of vertical axis is the Parallel turbine, which is similar to the crossflow fan or centrifugal fan. |
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Another turbine of the same type with an observation deck is located in Swaffham, England. |
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Airborne wind turbine designs have been proposed and developed for many years but have yet to produce significant amounts of energy. |
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Currently, digital image correlation and stereophotogrammetry are used to measure dynamics of wind turbine blades. |
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Lately, there has been some development in hybrid power plants where the steam turbine is used together with gas engines. |
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Such beaters are driven by a separate electric motor or a turbine which uses the suction power to spin the brushroll via a drive belt. |
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If the turbine has a difficult access road, a containerized crane can be lifted up by the internal crane to provide heavier lifting. |
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However, the energy harvested from the turbine will offset the installation cost, as well as provide virtually free energy for years after. |
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However, most electric power is generated using steam turbine plant, so that indirectly the world's industry is still dependent on steam power. |
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For every bird killed by a wind turbine in the US, nearly 500,000 are killed by each of feral cats and buildings. |
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The key to a practical jet engine was the gas turbine, used to extract energy from the engine itself to drive the compressor. |
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A turbine is a turbomachine with at least one moving part called a rotor assembly, which is a shaft or drum with blades attached. |
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Benoit Fourneyron, a former student of Claude Burdin, built the first practical water turbine. |
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The resulting impulse spins the turbine and leaves the fluid flow with diminished kinetic energy. |
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Before reaching the turbine, the fluid's pressure head is changed to velocity head by accelerating the fluid with a nozzle. |
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The pressure of the gas or fluid changes as it passes through the turbine rotor blades. |
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For compressible working fluids, multiple turbine stages are usually used to harness the expanding gas efficiently. |
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In practice, modern turbine designs use both reaction and impulse concepts to varying degrees whenever possible. |
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A steam turbine often exhausts into a surface condenser that provides a vacuum. |
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A turbine rotor is also only capable of providing power when rotating in one direction. |
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The first patent for using a gas turbine to power an aircraft was filed in 1921 by Frenchman Maxime Guillaume. |
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Velocity triangles can be used to calculate the basic performance of a turbine stage. |
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These tools have led to steady improvements in turbine design over the last forty years. |
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The compressor is powered by the turbine, which extracts energy from the expanding gas passing through it. |
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This number describes the speed of the turbine at its maximum efficiency with respect to the power and flow rate. |
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All the air ingested by the inlet is passed through the compressor, combustor, and turbine, unlike the turbofan engine described below. |
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A major pioneering innovation in marine engineering was the steam turbine, invented by Charles Algernon Parsons. |
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With an air chamber integrated into the device, swells compress air in the chambers forcing air through an air turbine to create electricity. |
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There is also some concern regarding low levels of turbine noise and wave energy removal affecting the nearfield habitat. |
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This pressure difference is usually used to produce flow, which drives a turbine and electrical generator. |
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From 1907 onward, all torpedo boats were constructed using turbine engines. |
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After the 1973 oil crisis and subsequent rise in fuel costs, gas turbine locomotives became uneconomical to operate. |
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The introduction of the turbine led to much higher performance, as well as taking up less room and thereby allowing for improved layout. |
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Particularly high efficiencies can be achieved through combining gas turbines with a steam turbine in combined cycle mode. |
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Ram powered jet engines are airbreathing engines similar to gas turbine engines and they both follow the Brayton cycle. |
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The 1994 festival also introduced a 150 kW wind turbine which provided some of the festival power. |
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In 1969, the team spent a lot of time experimenting with a gas turbine powered car, and, after four wet races in 1968, with four wheel drive. |
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A similar design, called the autogyro boat, uses a wind turbine without the propellor, and functions in a manner similar to a normal sail. |
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The conventional way of inspecting the blades is for workers to rappel down the blade, taking a day per turbine. |
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An important factor of turbine siting is also access to local demand or transmission capacity. |
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On 6 September 2012, Denmark launched the biggest wind turbine in the world, and will add four more over the next four years. |
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The exact position of each turbine matters, because a difference of 30m could potentially double output. |
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In such wind farms, there is usually from each type to be tested only a single wind turbine. |
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Leading wind power companies in China were Goldwind, Dongfang Electric, and Sinovel along with most major foreign wind turbine manufacturers. |
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Wind turbine blades using stealth technology are being developed to mitigate radar reflection problems for aviation. |
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As well as stealth windfarms, the future development of infill radar systems could filter out the turbine interference. |
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The Wave Dragon concept combines existing, mature offshore and hydro turbine technology. |
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In the Wave Dragon, the Kaplan turbine is being tested at the Technical University of Munich. |
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The ram air turbine, capable of generating 100 kVA, is supplied by Hamilton Sundstrand and located in the lower surface of the fuselage. |
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He was involved with the introduction of turbine engines to replace reciprocating engines, and the introduction of oil fuelling to replace coal. |
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The mine exploded some distance from the ship, making a small hole on the starboard side and temporarily knocking a turbine out of action. |
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Hydroelectric power comes from water driving a water turbine connected to a generator. |
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Nearly all modern airliners are now powered by turbine engines, either turbofans or turboprops. |
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The heat produced by an incinerator can be used to generate steam which may then be used to drive a turbine in order to produce electricity. |
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Some turbine engines commonly used in helicopters can also use biodiesel instead of jet fuel. |
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It was founded in 1945, and as of 2013, it is the largest wind turbine company in the world. |
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In October 2009, Vestas and QinetiQ claimed a successful test of a stealth wind turbine blade mitigating radar reflection problems for aviation. |
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In December 2010 Vestas were developing the V164 7 MW offshore turbine, with a 164 m rotor diameter. |
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In October 2011, Vestas participated in the deployment of a floating wind turbine offshore of Portugal. |
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An elevated turbine is submerged under water in a location that enables its movement with tidal cycles. |
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As the blades of the turbine move they create energy that powers an electric generator at the base. |
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Gas turbine engines operate efficiently at much higher altitudes, are more reliable than piston engines, and produce less vibration and noise. |
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Other important alloys are used in high temperatures, such as steam turbine blades, and stainless steels for corrosion resistance. |
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The invention of Parson's steam turbine made cheap and plentiful electricity possible and revolutionized marine transport and naval warfare. |
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By the time of Parson's death, his turbine had been adopted for all major world power stations. |
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Unlike earlier steam engines, the turbine produced rotary power rather than reciprocating power which required a crank and heavy flywheel. |
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Technological advances had moved the open water wheel into an enclosed turbine or water motor. |
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The introduction of the steam turbine fundamentally changed the economics of central station operations. |
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Much of the original internal structure remained, including the cavernous main turbine hall, which retained the overhead travelling crane. |
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A bridge built across the turbine hall on level 4 to provides an upper access route. |
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A precursor of the steam turbine, the steam wheel allowed the wheel to be directly turned by the pressure of the steam moving through it. |
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Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. |
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When the demand becomes greater, water is released back into the lower reservoir through a turbine. |
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Water exiting a turbine usually contains very little suspended sediment, which can lead to scouring of river beds and loss of riverbanks. |
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Since turbine gates are often opened intermittently, rapid or even daily fluctuations in river flow are observed. |
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Also in 2002, GE Wind Energy was formed when GE bought the wind turbine manufacturing assets of Enron Wind after the Enron scandals. |
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In 1870, commercial electricity production started with the coupling of the dynamo to the hydraulic turbine. |
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Almost all commercial electrical power on Earth is generated with a turbine, driven by wind, water, steam or burning gas. |
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The turbine drives a generator, thus transforming its mechanical energy into electrical energy by electromagnetic induction. |
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Siemens and Vestas are the leading turbine suppliers for offshore wind power. |
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Gas turbine and ram powered engines differ, however, in how they compress the incoming airflow. |
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Each propeller for a 15kW water turbine uses five cast aluminum blades fixed to its axle. |
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Balmoral workers will replace an old water turbine with one more than double its size. |
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Consumers Energy has completed installation of a new water turbine on Unit 3 of its Hardy Dam on the Muskegon River near Oxbow, Michigan. |
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There are now longer and lighter wind turbine blades, improvements in turbine performance and increased power generation efficiency. |
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By then De Pretto had been sold and the water turbine section, severely reduced in size, belonged to Vatech Hydro. |
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The Aerogenerator X is a new 10 MW wind turbine designed for off-shore use combining the best of horizontal axis and vertical axis designs. |
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The two-bladed turbine is being engineered by Aerogenerator at the New and Renewable Energy Centre in Blyth. |
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Rather, each wind turbine proposal is assessed on a case by case basis according to its impacts. |
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The Aerogenerator Project, from Blyth, which designed a new wind turbine on a horizontal axis, won the Shell Springboard Prize. |
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Wind turbine design is the process of defining the form and specifications of a wind turbine to extract energy from the wind. |
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The air flow at the blades is not the same as the airflow far away from the turbine. |
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So if you live in Buchan or Moray be prepared for a flush of turbine reapplications. |
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The very nature of the way in which energy is extracted from the air also causes air to be deflected by the turbine. |
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You can imagine how dirty a handpiece turbine can get if the debris is not flushed out of the head prior to autoclaving. |
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In addition the aerodynamics of a wind turbine at the rotor surface exhibit phenomena that are rarely seen in other aerodynamic fields. |
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Storm Smith, who runs Eshott Airfield in Northumberland, has objected to plans for the 67-metre turbine near the landing strip. |
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And bats die when their lungs are ruptured by barotrauma caused by air pressure changes from the turbine blades. |
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Sir Charles Parsons invented the steam turbine in 1884, and developed an important local company. |
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Sheikh Hassan forgets we have more seat time in racing a turbine Mystic offshore boat than anyone. |
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In the working blades of the gas turbine engines, the 'fir tree' tailpiece is also an important part in comparison with the blade. |
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Applicant D Woodhead, of Lane Head Farm at Shepley, lodged a plan to erect a 15m microgeneration turbine on green belt land. |
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After the steam turbine has expanded and partially condensed the steam, the remaining vapour is condensed in a condenser. |
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There wasn't much I could tell him, earplugged, but I crawled into turbine number 3 and waved him on in. |
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The purpose of the steam turbine is to convert the heat contained in steam into mechanical energy. |
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The engine house with the steam turbine is usually structurally separated from the main reactor building. |
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It is so aligned to prevent debris from the destruction of a turbine in operation from flying towards the reactor. |
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In the case of a pressurized water reactor, the steam turbine is separated from the nuclear system. |
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The generator converts mechanical power supplied by the turbine into electrical power. |
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The nozzle size, together with the area of the turbine nozzles, determines the operating pressure of the compressor. |
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A lease has been granted for developing two wind turbine sites in the bay, one at Walney Island and the other at Cleveleys. |
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Methane is important for electricity generation by burning it as a fuel in a gas turbine or steam generator. |
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Only some of this air taken from the compressors returns to the turbine flow to contribute to thrust production. |
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One is the Joule or Brayton cycle which is a gas turbine cycle and the other is Rankine cycle which is a steam turbine cycle. |
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The steam power plant gets its input heat from the high temperature exhaust gases from gas turbine power plant. |
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The low loss from the propelling nozzle of a turbojet is added to with extra losses due to inefficiencies in the added turbine and fan. |
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An open circuit gas turbine cycle has a compressor, a combustor and a turbine. |
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The gas is then sent by onshore pipeline to PowerGen's combined cycle gas turbine power station at Connah's Quay. |
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Maximum supplementary firing refers to the maximum fuel that can be fired with the oxygen available in the gas turbine exhaust. |
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Yet, civil aircraft designers wanted to benefit from the high power and low maintenance that a gas turbine engine offered. |
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The use of large supplementary firing in Combined Cycle Systems with high gas turbine inlet temperatures causes the efficiency to drop. |
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Thus was born the idea to mate a turbine engine to a traditional propeller. |
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Temperature limits at the gas turbine inlet force the turbine to use excess air, above the optimal stoichiometric ratio to burn the fuel. |
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Often in gas turbine designs part of the compressed air flow bypasses the burner and is used to cool the turbine blades. |
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A single shaft combined cycle plant comprises a gas turbine and a steam turbine driving a common generator. |
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Having only one large steam turbine and heat sink results in low cost because of economies of scale. |
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A larger steam turbine also allows the use of higher pressures and results in a more efficient steam cycle. |
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This is achieved by evaporative cooling of water using a moist matrix placed in front of the turbine, or by using Ice storage air conditioning. |
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The system utilizes gas and steam turbines, the steam turbine operating off of the heat left over from the gas turbine. |
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Thermodynamic benefits are that daily steam turbine startup losses are eliminated. |
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The advent of the steam turbine in central station service, around 1906, allowed great expansion of generating capacity. |
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Most commonly, exhaust gases from a gas turbine are used to generate steam for a boiler and a steam turbine. |
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One local resident has also objected because he believes siting the turbine near a mini roundabout will be a distraction for motorists and could lead to crashes. |
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Griffith had already started construction of his own turbine engine design and, perhaps to avoid tainting his own efforts, he returned a somewhat more positive review. |
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Turbofans differ from turbojets in that they have an additional fan at the front of the engine, which accelerates air in a duct bypassing the core gas turbine engine. |
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Whereas gas turbine engines use axial or centrifugal compressors to compress incoming air, ram engines rely only on air compressed through the inlet or diffuser. |
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For example, composite materials, combining metals with ceramics, have been developed for HP turbine blades, which run at the maximum cycle temperature. |
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A turbofan typically has extra turbine stages to turn the fan. |
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Mount Vernon will support complete packaging of the Gas turbine. |
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It was, however, superseded by the British invention steam turbine where speed was required, for instance in warships, such as the dreadnought battleships, and ocean liners. |
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Virtually all nuclear power plants generate electricity by heating water to provide steam that drives a turbine connected to an electrical generator. |
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A limited number of steam turbine railroad locomotives were manufactured. |
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The Rankine cycle is sometimes referred to as a practical Carnot cycle because, when an efficient turbine is used, the TS diagram begins to resemble the Carnot cycle. |
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A related development is the gas turbine locomotive in which the turbine drives the wheels without an intermediate electrical device, at the cost of mechanical complexity. |
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Gropius was the son of the official state architect of Berlin, who studied before the war with Peter Behrens, and designed the modernist Fagus turbine factory. |
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The cost has reduced as wind turbine technology has improved. |
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The strength of wind varies, and an average value for a given location does not alone indicate the amount of energy a wind turbine could produce there. |
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Typically the hot coolant is used as a heat source for a boiler, and the pressurized steam from that drives one or more steam turbine driven electrical generators. |
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After further processing, the gas is sold to Uniper, for their combined cycle gas turbine power station at Connah's Quay, on Deeside, in Flintshire. |
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The steam generated thus can be used to drive steam turbine. |
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The low pressure steam is supplied to the low temperature turbine. |
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A fresh air fan which makes it possible to operate the steam plant even when the gas turbine is not in operation, increases the availability of the unit. |
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The HRSG can be designed with supplementary firing of fuel after the gas turbine in order to increase the quantity or temperature of the steam generated. |
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Gas turbine power plants can generate tens to hundreds of megawatts. |
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Despite these diverse developments, developments in fossil fuel systems almost entirely eliminated any wind turbine systems larger than supermicro size. |
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It is a calculation of the mean annual power available per square meter of swept area of a turbine, and is tabulated for different heights above ground. |
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Prestressed concrete has been increasingly used for the material of the tower, but still, requires much reinforcing steel to meet the strength requirement of the turbine. |
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However, for large wind farms distances of about 15 rotor diameters should be more economically optimal, taking into account typical wind turbine and land costs. |
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Over 1,500 tons of carbon dioxide per year can be eliminated by using a one megawatt turbine instead of one megawatt of energy from a fossil fuel. |
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The work produced by a turbine can be used for generating electrical power when combined with a generator or producing thrust, as in the case of jet engines. |
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Classical turbine design methods were developed in the mid 19th century. |
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Vector analysis related the fluid flow with turbine shape and rotation. |
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Formulae for the basic dimensions of turbine parts are well documented and a highly efficient machine can be reliably designed for any fluid flow condition. |
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The primary numerical classification of a turbine is its specific speed. |
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The specific speed is derived to be independent of turbine size. |
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Given the fluid flow conditions and the desired shaft output speed, the specific speed can be calculated and an appropriate turbine design selected. |
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All cruisers were equipped with turbine engines from 1908 onwards. |
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The turbine represents just one third to one half of costs in offshore projects today, the rest comes from infrastructure, maintenance, and oversight. |
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Wind speeds above those limits result in the wind turbine adjusting its blade angles to reduce generator speed or in some cases shutting down entirely. |
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The energy per sea area is roughly independent of turbine size. |
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Necessary data includes water depth, currents, seabed, migration, and wave action, all of which drive mechanical and structural loading on potential turbine configurations. |
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Onshore turbine installations in hilly or mountainous regions tend to be on ridgelines generally three kilometres or more inland from the nearest shoreline. |
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This turbine uses a siphon inlet whereas the next 6 turbines to be installed will be equipped with a cylinder gate to start and stop water inlet to the turbine. |
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Water is also used in many industrial processes and machines, such as the steam turbine and heat exchanger, in addition to its use as a chemical solvent. |
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In some situations an overshot wheel is preferable to a turbine. |
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The condensate from steam engines was contaminated with oil and could not be reused, while condensate from a turbine is clean and typically reused. |
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Some months later American inventor Charles F Brush built the first automatically operated wind turbine for electricity production in Cleveland, Ohio. |
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Electricity production from solar energy either directly through photovoltaic cells or indirectly such as by producing steam to drive a steam turbine generator. |
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Investigation of flow in a radial turbine using laser anemometry. |
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The liquids are heated to 350 F and injected with atomizing nozzles into the turbine chamber, where they are immediately absorbed by the resin powder. |
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A driver can either be an electric motor or a water turbine. |
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The aim was to develop an efficient heat storage range which would make use of the water turbine installed by the inventor and Mill's owner, Ossie Goring. |
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Following the completion of a detailed commissioning process, a water turbine is now harvesting energy from the River Wear, which is driving the 100kw generator. |
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The fund has helped groups across the country with projects such as solar-powered heating systems in a wildlife park and a water turbine at a school. |
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To that end, REpower has temporarily suspended plans to build a wind turbine manufacturing plant in the Valley East Industrial Park in Greater Sudbury, and create 90 jobs. |
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In addition, Howmet also has been awarded sole-source contracts with Pratt and Whitney Aircraft for all six of the turbine airfoils in theJSF main engine. |
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Even though dual-fuel reciprocating engines are gaining a significant foothold in this market, the turbine plant remains popular with some owners. |
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Fuel cells and electric motors will not replace jet engines on commercial transports, but they could one day replace gas turbine auxiliary power units. |
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Its principal products are vertical turbine line shaft and submersible pumps as well as centrifugal pumps, high pressure booster pumps and packaged pump station systems. |
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During takeoffs and landings, water can be injected into the turbine section of the AV-8B's engine to provide an additional 1,500 pounds of thrust if required. |
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