The heat is e.g. condensing heat from steam turbines or hot flue gases exhausted
from gas turbines, for industrial use, buildings or district heating.
Italian company EXERGY has secured a contract for waste heat recovery
from gas turbines in Thailand.
Take, for example, CO2 emissions
from gas turbines.
It generates power
from a gas turbine as well as a steam turbine.
How CHP works is by using the heat that would otherwise be wasted in exhaust gases from fossil combustion systems, such as flue gases from a coal - or biomass - fueled boiler or exhaust
from a gas turbine or reciprocating engine, to produce steam and / or hot water for various industrial or commercial needs.
We explain the evolution of the microgrid in this excerpt
from Gas Turbine Microgrids: Reliability and Sustainability through Intelligence.
Waste heat
from the gas turbine is recovered to create steam which drives a steam turbine, producing more electricity — hence a combined cycle system.
He has litigated cases involving technologies ranging
from gas turbine engines, to military equipment, to computer technology.
Not exact matches
One positive result: GE's
gas turbine business shifted its model
from selling upgrades over time to committing to future changes upfront, a customer - friendly approach.
Additionally, late last year, GE agreed to purchase subsea drilling technology
from Oceaneering International, and subsequently inked an agreement to purchase Alstom's
gas and steam
turbine business for approximately $ 17 billion.
TransCanada
Turbines Ltd. is considered a world leader in repairing and overhauling industrial and marine gas turbines; it moved to Airdrie from Calgary
Turbines Ltd. is considered a world leader in repairing and overhauling industrial and marine
gas turbines; it moved to Airdrie from Calgary
turbines; it moved to Airdrie
from Calgary in 2011.
VG investigated what happened after the wanted man
from Norway and the prince
from Dubai acquired ten
gas turbines for Ghana for 510 million US dollars.
The tunnel boring machine
from Germany is being used to construct a 1.2 km pipeline for sea water intake to be used as a cooling system for the Combined Cycle
Gas Turbine power plant.
Speaking with newsmen in Port Harcourt on Friday night, Wike said the $ 43m was part of the proceeds
from the sale of a
gas turbine by the immediate past administration, adding that the
gas turbine was initially built by the Peter Odili administration.
«Part of the money
from the sale of the
gas turbine was used to fund the All Progressives Congress campaign.
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.
From the date of sale of the gas turbines to May 29, 2015, the money depleted from $ 319 million to $ 204,
From the date of sale of the
gas turbines to May 29, 2015, the money depleted
from $ 319 million to $ 204,
from $ 319 million to $ 204,000.
In the months before design and construction takes place for the new 16MW microgrid — a locally sourced power grid consisting of two
gas turbine generators — to be located in the downtown neighborhood of Sheridan Hollow, community groups are reaching out in search of concrete answers
from project planners.
Dakuku explained that the money realised
from sale of
gas turbines were paid into the account of Rivers state and the money used for projects.
Dakuku, an All Progressives Congress, APC, stalwart in Rivers State, while speaking with newsmen in Port Harcourt, dismissed Wike's claimed that the money found in Lagos were part of proceeds the Rivers State Government realised
from sale of
gas turbines by the Rotimi Amaechi's administration.
Nigeria Politics Online had earlier reported that the Rivers state government has claimed that its investigations revealed that the money was the proceed
from the sale of
gas turbines by the immediate past Governor Rotimi Amaechi.
Gas turbines are also attractive because natural gas is relatively cheap and abundant, due in part to the introduction of hydraulic fracturing technology, or fracking, which uses high - pressure water to extract hydrocarbons from previously inaccessible shale deposi
Gas turbines are also attractive because natural
gas is relatively cheap and abundant, due in part to the introduction of hydraulic fracturing technology, or fracking, which uses high - pressure water to extract hydrocarbons from previously inaccessible shale deposi
gas is relatively cheap and abundant, due in part to the introduction of hydraulic fracturing technology, or fracking, which uses high - pressure water to extract hydrocarbons
from previously inaccessible shale deposits.
The efficiency gains
from using ultrahigh temperature materials in
gas turbines and jet engines could have a real impact on CO2 emissions and global warming.»
Their main complaints are that the
turbines are so inefficient that they actually increase carbon dioxide emissions, and so unreliable that they require constant backup
from conventional coal and
gas - fired stations.
A single percent increase in
gas turbine efficiency equates to millions of dollars in saved fuel costs for GE's customers and tons of carbon dioxide spared
from the atmosphere.
The aerodynamics of the
turbine blades affects the efficiency of the engine, while the heat transfer
from the extremely hot
gas to the
turbine blades is harmful to the life - span of the
turbine.
The distillers say that with
gas turbines, they could increase their generating capacity
from the present 200 megawatts to 3000 megawatts within 15 years.
In addition to charging its current customers $ 3.73 a month for the construction of this reactor until costs are recovered Southern received an $ 8.3 - billion loan guarantee
from the federal government to help make up the cost difference compared with building a natural
gas — fired
turbine, for example.
Torrid exhaust
gases from the
turbine are captured and used to heat water, which is fed to a separate steam
turbine to yield another 125 megawatts.
Often these sites generate electricity as a byproduct of other industrial processes such as using
gas from landfills to drive
turbines.
As part of its strategy to reduce greenhouse
gas emissions to prevent global warming
from exceeding 2 °C (3.6 °F), the Obama administration unveiled a plan in September to build wind farms off of nearly every U.S. coastline by 2050 — enough
turbines to generate zero - carbon electricity for more than 23 million homes.
The company plans to recover some of this energy by fitting a
turbine inside the tailpipe: the fast - moving exhaust
gases coming straight
from the engine drive the
turbine, generating electricity.
Unique to NuScale, NuFollowTM holds the promise of expanding the deployment of renewables without backup
from fossil - fired generating sources, such as natural
gas - fired, combined cycle
gas turbines (CCGTs).
A dual - volute turbocharger with electronic boost control sourced
from BorgWarner uniquely sends high - pressure exhaust
gas through opposite sides of the turbocharger housing to spin the
turbine.
The micro
gas turbines from Bladon Jets generate enough electricity to extend the range of the car to 900 km (559 mi) while producing 28 grams of CO2 per kilometre on the EU test cycle.
Other vehicles were released between the Model 6 and the 1950s, but one of the most influential innovations
from Chrysler came with their the commissioning of a
gas turbine engine program, which helped the company develop cars that ran as smoothly and powerfully as a jet engine.
The dual - scroll turbocharger delivers nearly instant response, as dual exhaust passages
from the engine to the
turbine housing guide exhaust
gas to the
turbine.
Through adaptation of
turbine flow characteristics to match the operating points, an exhaust -
gas turbocharger with variable
turbine geometry presents the opportunity to provide very high
turbine output and thus high charge pressure
from low engine speeds.
When combined with modern - day turbocharging — which uses waste energy
from the exhaust
gas to drive the
turbine — direct injection provides the best of both worlds: the responsiveness of a larger - displacement engine with fewer trips to the
gas pump.
Rather than a single spiral chamber (volute) feeding exhaust
gas from the exhaust manifold to drive the
turbine on the turbocharger, the dual volute design has a pair of separate chambers with two exhaust
gas inlets and two nozzles to drive the
turbine.
Plenty of opposition to the
turbines themselves has appeared, even in rural areas, but robust opposition to building new conduits for getting energy
from sources to markets, whether the medium is pipelines carrying natural
gas or wires for electrons, has been seen for decades.
This is a valuable long - view chart
from the Energy Information Administration showing how natural
gas plants and wind
turbines have been the dominant sources of new electricity generation capacity in the United States in recent years.
Reuters is reporting that in Spain the cost of producing a megawatt - hour of energy
from wind
turbines now is 80 - 85 euros, versus 80 euros / MWh for
gas - fired plants and 85 euros / MWh for oil - fired plants.
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.
Fossil fuel electric generation: Electric generation in which the prime mover is an internal combustion engine or a
turbine rotated by high - pressure steam produced in a boiler or by a hot exhaust
gas produced
from the burning of fossil fuels.
Based on John Morgan's post, this may well be feasible well before conversion to fuel, and might well be cost - effective running on a 50 % basis to balance the intermittent emissions
from the backup
gas turbines.
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.
But Siemens, a supplier, gave some examples for a typical combined - cycle natural
gas power plant, one that burns the fuel in a
gas turbine to drive one generator, then makes steam
from the exhaust to drive a second generator.
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.