Sentences with phrase «gas turbines at»

IFPC alleged that the engineering work related to two natural gas turbines at a power generating station was negligently performed.

Before working for The Motley Fool, David spent more than a decade as an engineer, designing and developing gas turbines at both Rolls - Royce and General Electric.

Light permanent fires in seams too deep for conventional mining and, engineers hope, they can siphon off the resulting vapours as fuel for gas turbines at the surface.

Not exact matches

Avista owns a 15 - per - cent - stake in two of the four units at the Colstrip plant in Montana — a major coal - mining state — and plans to use them for electricity production until 2035, said a spokesperson for the company that also operates hydroelectric dams, natural gas and biomass generating plants and wind turbines.

Governor Nyesom Wike of Rivers state has said N13bn ($ 43.4 m, N23m and # 27,000) found by the Economic and Financial Crimes Commission at the Osborne Towers, Ikoyi, Lagos, belongs to the Rivers state government claiming that investigations by the government revealed that the money was the proceed from the sale of gas turbines by the immediate past Governor Rotimi Amaechi.

Also at 11:30 a.m., the Sheridan Hollow Alliance for Renewable Energy, ally organizations and local residents will gather at the site of two new proposed fracked gas turbines to call on Cuomo to halt the proposal and reissue a request for proposals for renewable energy solutions, 79 Sheridan Ave., Albany.

A mixture of gas turbine and diesel generators should be used, he says, and water and air cooling systems should both be considered for diesel generators in case a shortage of air or water might be an issue at the generator location.

Fill the cavern with high - pressure gas and then at night release it again to get a high - pressure gas that turns the turbine that creates energy — electricity.

So during the day you compress gas, and then at night, you release the gas and the gas turns the turbines and you produce electricity.

But so is the cost of any method of reducing greenhouse gas emissions enough to make a similar difference — whether it's doubling the fuel efficiency of every single car and truck on the road (which would cost a few trillion dollars and take at least 15 years) or building scores of new wind turbines for each turbine already turning today or erecting hundreds of new solar cell arrays for every array in use today.

Although solar thermal collectors are better than photovoltaic panels or wind turbines at generating reliable power around the clock, solar thermal power is also expensive; at present energy costs, it would require government subsidies to compete with coal and natural gas, which can generate electricity much more cheaply.

At higher temperatures, gas turbines produce more electricity.

In an H - class gas turbine, combustion takes place within 6 - foot - long chambers at high temperature and pressure.

The extreme conditions make it one of the most difficult processes to test at GE's gas turbine facility in Greenville, South Carolina.

«The world desperately needs higher - efficiency gas turbines because the end result is millions of tons of carbon dioxide that's not going into the atmosphere,» said Citeno, noting that in the last 2 years, more than 50 percent of gas turbines manufactured at GE's Greenville plant were exported to other countries.

GE's H - class heavy - duty gas turbines are currently the world's largest and most efficient gas turbines, capable of converting fuel and air into electricity at more than 62 percent power - plant efficiency when matched with a steam turbine generator, a setup known as combined cycle.

The primary power source for the Patriot is a twin spool gas turbine like those found in jet engines, which runs at 100 000 revolutions per minute in its high - speed stage, and 50 000 rpm in its low - speed stage.

At the same time, old, inefficient «peaker» units — so - called because they run no more than 77 hours a year when electricity demand in the state is at its highest — will be shut down or replaced by newer natural gas — fired turbineAt the same time, old, inefficient «peaker» units — so - called because they run no more than 77 hours a year when electricity demand in the state is at its highest — will be shut down or replaced by newer natural gas — fired turbineat its highest — will be shut down or replaced by newer natural gas — fired turbines.

Research at University West is conducted in close collaboration with aircraft engine manufacturer GKN Aerospace (formerly Volvo Aero) and Siemens Industrial Turbomachinery, which makes gas turbines.

(2) in phase II, to develop the conceptual design for advanced high efficiency gas turbines that can achieve at least 65 percent combined cycle efficiency on a lower heating value basis.

(B) to develop and demonstrate the technology required for advanced high efficiency gas turbines that can achieve at least 62 percent combined cycle efficiency on a lower heating value basis; and

(A) to develop the conceptual design of advanced high efficiency gas turbines that can achieve at least 62 percent combined cycle efficiency on a lower heating value basis; and

The exhaust streams arrive at the turbine wheel through physically separate channels — for optimised gas cycles.

In variable output systems such as automobile engines, exhaust gas pressure at idle, low engine speeds, or low throttle is usually insufficient to drive the turbine.

Gas turbines operate at extremely high RPM by comparison, and exhibit narrow powerbands, and poor throttleability and throttle response.

This lets the engine efficiently use exhaust scavenging techniques, which decreases exhaust gas temperatures and NOx emissions, improves turbine efficiency, and reduces turbo lag evident at low engine speeds.

The exhaust streams arrive at the turbine wheel through physically separate channels — for optimized gas cycles.

Veloster's twin - scroll turbo has superior handling of exhaust gas separation at the turbine leading to improved low - end torque and faster transient torque response.

Earlier versions of the Gas Turbine engine were shown at the Tokyo Motor Show in 1975 (in the Toyota Century)[10] and 1977 (free standing).

The twin - scroll turbocharger design has several other advantages over traditional, single - scroll turbocharging systems, including: • Improved combustion efficiency • Low engine - speed efficiency • Kinetic exhaust gas energy is not wasted or trapped • Cooler cylinder temperatures • Lower exhaust temperatures • Leaner air / fuel ratio • Better pressure distribution in the exhaust ports and more efficient delivery of exhaust gas energy to the turbocharger's turbine Veloster's twin - scroll turbo has superior handling of exhaust gas separation at the turbine leading to improved low - end torque and faster transient torque response.

Thanks to their variable turbine geometry, the full flow of exhaust gas always passes through the turbine, so the chargers respond slickly — even at low engine speeds — and operate very efficiently.

The HP turbine is located directly at the exhaust manifold and initially allows exhaust gas to flow through it; it then rotates at up to 215,000 revolutions per minute.

Downstream of the HP turbine, the two exhaust gas streams join up again, and any remaining exhaust gas energy drives the HP turbine at a maximum speed of up to 185,000 revolutions per minute.To protect against overloading, the LP turbine is also equipped with a bypass, which is opened or closed by means of a wastegate.

Santa Fe Sport 2.0 T's twin - scroll turbo has superior handling of exhaust gas separation at the turbine, leading to improved low - end torque and faster transient torque response.

The sound of the turbine - like 300 - hp six - cylinder gas engine and eight - speed automatic are almost unnoticeable; the 255 - hp turbodiesel six is virtually as quiet at speed.

Toyota Sports 800 Gas Turbine Hybrid concept vehicle, the starting point for Toyota's development of hybrid vehicles, exhibited at the 22nd Tokyo Motor Show

Other highlights include an integrated exhaust manifold built into the cylinder head — which delivers a shorter flow path for hot exhaust gases and allows the catalytic converter to heat up faster for reduced cold start emissions — and a turbine speed sensor which allows its turbos to spin at up to 240,000 rpm (220,000 minimum) for higher torque and horsepower output.

Our seas will need to have tens of thousands to these wind turbines deployed at several per week to do the job in time and only shallow offshore is viable at the present time and that is inline with existing baseload fossil fuel coal and gas fired power plants along with existing nuclear ones to.

With a methane economy we could heat and cool our homes, produce electric power at home using a small gas turbine generator, and fuel our vehicles all from our own home tank at far lower cost than using gasoline.

Electricity from new installations — which are being erected at a pace of roughly one turbine every two and a half hours around the country — sells for less than 6 cents per kWh, a price competitive with natural gas.

Even at 650 — 800 kg CO2 / MWh, ultra-supercritical plants are about twice as emissions intensive per MWh as the latest combined - cycle gas turbines.

To avoid over-estimation, electricity reference prices were capped at the levelised cost of a combined - cycle gas turbine (CCGT) plant.

This can be met with open - cycle gas turbines, which can be rolled out with lead times of 18 - 30 months, at costs of ~ 60 cents / watt.

The open cycle consists of the following steps: (i) flash evaporation of a fraction of the warm seawater by reduction of pressure below the saturation value corresponding to its temperature (ii) expansion of the vapor through a turbine to generate power; (iii) heat transfer to the cold seawater thermal sink resulting in condensation of the working fluid; and (iv) compression of the non-condensable gases (air released from the seawater streams at the low operating pressure) to pressures required to discharge them from the system.

Orders for GE's newest, large gas - fired turbines have fallen 35 percent in the two years since the deal closed, and industry estimates show demand for conventional plants is unlikely to hit 2017 levels again for at least a decade.

GWP could buy solar panels from other companies in the US and complete the manufacturing doing only the back - end of the panels at Grayson, use only the new technology gas turbine built in 2003 and invest in storage.

Converting light into electricity with no moving parts is a profoundly different enterprise than turning a turbine to make power — the technology that is at work in coal, natural gas, nuclear, hydropower plants and, most visibly to the public, at wind farms.

(A) to develop the conceptual design of advanced high efficiency gas turbines that can achieve at least 62 percent combined cycle efficiency on a lower heating value basis; and

(B) to develop and demonstrate the technology required for advanced high efficiency gas turbines that can achieve at least 62 percent combined cycle efficiency on a lower heating value basis; and

We must «Recognise that wind power implies building the same capacity twice over — once as gas - fired power stations to provide conventional back - up; and again, at far greater expense, for the wind turbines.