Not exact matches
Long Island Power Authority Chief Executive Officer Thomas Falcone sits
in front of some
models of offshore wind
turbines at the utility's offices
in Uniondale, N.Y.
in July.
Stephen Rose and colleagues from Carnegie Mellon University
in Pittsburgh, Pennsylvania,
modelled the risk hurricanes might pose to
turbines at four proposed wind farm sites.
The kite and cable
model is designed to facilitate placing tidal
turbines in deep water, where the stronger current has the potential for providing greater power but also makes it extremely difficult to plant a
turbine in the seabed.
Long - term data from a wind farm at San Gorgonio, California, confirmed his earlier
model predictions: surface temperatures behind the wind
turbines were higher than
in front during the night, but as much as 4 °C lower by day.
From computer
models, he found that counter-rotating vertical
turbines could be arranged
in such a way that a vertical wind farm has a higher power output per unit of area than a horizontal farm, upward of 10 times the energy density.
Advances
in high - temperature components and improved system
modeling, combined with the potential for conversion costs an order of magnitude lower than those of
turbines, suggest that TPV could offer a pathway for efficiently storing and producing electrical power from solar thermal sources, a new study suggests.
Such enhanced
modeling and simulation capabilities held the potential to dramatically accelerate future product development cycles and could provide GE with new insights into
turbine engine performance earlier
in the design process instead of after testing physical prototypes.
Colin Palmer, a graduate student at the University of Bristol, arrived at this conclusion by employing his expertise as a
turbine engineer to carry out first - of - a kind tests on
models of pterosaur wings
in a wind tunnel.
Like older
models, they will use uranium fission to heat water and drive a
turbine, but these reactors will be smaller, simpler to build, and each will add more than 1100 megawatts of capacity to the region's power grid when they come online
in 2016 or 2017 — without emitting carbon dioxide.
For example, when learning about the concepts behind wind
turbines, which involves physics and maths, students can create a 3D digital
model, print it on a 3D printer
in order to study the construction, test its ability to generate wind energy and adjust accordingly.
Note: Before beginning the lesson with students, the instructor should have constructed his / her own
turbine to use as a
model in guiding students to develop their own designs.
For the first time
in a 3 Series
model, the 335i and 335i xDrive Coupes» dual exhaust system runs at both sides of the vehicle - logical, as each contains its own turbocharger
turbine and therefore requires extra space.
Another optional extra available for both
models is an acoustic pedestrian warning, which makes it easier for pedestrians to notice the vehicle when driving at low speeds
in all - electric mode by generating a distinctive identifying sound similar to the noise from a
turbine.
In the S -
model, Porsche also uses a turbocharger with variable
turbine geometry.
Nineteen - inch light - alloy rims
in aerodynamically optimised ten - spoke
turbine wheel design created exclusively for BMW ActiveHybrid 7 as well as
model designations on the luggage compartment lid, the C - pillars behind the side windows and on the door cutouts clearly set aside the hybrid
models from their «regular» counterparts right from the start.
The ActiveHybrid 7 comes standard with 19 - inch light - alloy rims
in an aerodynamically optimized ten - spoke Aero
turbine wheel design, unique to this
model.
BMW ActiveHybrid comes as standard with
model - specifi c 19 - inch light - alloy rims
in aerodynamically optimised ten - spoke
turbine wheel design.
The dashboard draws inspiration from larger
models such as the E-Class and S - Class, offering a free - standing Widescreen display, air vents
in a sporty
turbine - look, 64 - color ambient lighting, as well as improved materials and new color combinations.
21,567 Chevrolet Sonic 2012
model year compacts equipped with a six - speed automatic transmission and a 1.8 - liter four - cylinder engine for a condition
in which the transmission
turbine shaft may fracture as a result of a supplier quality issue.
A single - stage turbocharger with variable nozzle
turbines is used
in the E 200 CDIBlueEFFICIENCY
model.
S3 three - door and Sportback Black Edition
models combine the new colour - coding with 18 - inch five - arm
Turbine design wheels, while S3 Saloon Black Edition
models upgrade to a 19 - inch five - arm Wing design corresponding
in size with the 19 - inch wheel used by «standard» S3 Saloon
models.
Made of high - quality PVC and
modeled from actual
in - game 3D files, the Revenant stands on an LED - lit base with internal, slow - spinning
turbine from the UAC facility on Mars.
Massachusetts - based
Turbine was an early adopter of the free - to - play
model, with Dungeons & Dragons and Lord of the Rings converting to free - to - play
in 2009 and 2010, respectively.
Even if the SUMR's titanic
turbines pass the subscale
modeling tests
in 2019, Loth said it would take «probably 10, 15 years» before the first facility would be up and running.
Using data without a safety margin, such as mean values for a given
turbine model, measurements from a single
turbine, or «best guess» for future
turbines gives
in principle a probability of 50 per cent that the actual erected
turbines will emit more noise than assumed and that noise limits will be exceeded.»
«Across all
model specifications, we find no statistical evidence that home prices near wind
turbines were affected -LSB-...] There is no statistical evidence that homes
in either the PAPC [post-announcement, pre-construction] or PC [post-construction] periods that sold near
turbines (i.e., within a mile or even a half mile) did so for less than similar homes that sold between 3 and 10 away miles
in the same period.»
Turbines come
in all different sizes and
models and can be designed to fit
in your unique community.
Modeling has also shown that it's relatively inexpensive to increase the reliability of the total wind output to a level equivalent to a coal - fired power station by adding a few low - cost peak - load gas
turbines that are opearated infrequently, to fill
in the gaps when the wind farm production is low (Diesendorf 2010).
«Our findings show that China's underperformance is also driven by suboptimal
turbine model selection (31 % of the gap), wind farm siting (23 % of the gap), and
turbine hub heights (6 % of the gap)-- factors that have received less attention
in the literature and, crucially, are locked -
in for the lifetime of wind farms,» explain the authors, who were supported by Harvard University, US, and are now at the University of Minnesota, US, Florida State University, US, and Cambridge University, UK.
These rankings highlight that design choices such as location, tower height and
turbine model play a major role
in whether a project meets its objectives.
Infrasound from wind
turbines is sufficiently correlated to the A-weighted sound emissions to allow an A-weighted
model to be used to predict how much infrasound is present
in homes.
perhaps golden plovers will decline more
in line with the
models now that the RSPB backs wind
turbines
Alliant Energy and GE are making a real difference for consumers
in Iowa and we are delighted to be providing our 2MW class
turbines, including our brand new 2x 127m
model.»
Fifty - four small
turbine models are offered commercially
in the United States for applications including homes, schools, commercial and industrial facilities, telecommunications, farms and ranches, and communities.
In FY2011, the DOE invested $ 6.7 million to develop
modeling tools for designing higher performance
turbine designs.
To design and build the Haliade - X platform, GE Renewable Energy is relying on an unprecedented collaboration across the GE portfolio, leveraging the knowledge of GE's Onshore wind team, with 50,000
turbines in the field; the blade expertise of LM Wind Power; the GE Power and GE Aviation engineers for peer reviews of component and systems design; the Global Research Center for control systems and component validation; and GE Digital for supporting digital
modelling, analytics and app development.
What that means is that natural gas is coming
in the
models and also
in reality
in order to meet single - event episodes where you need to turn on a gas
turbine to replace a renewable system that might not be available at that time rather than running continuously and profitably over time.
In particular, depending mainly on (i) exactly how much abatement might be required over 2019 - 23, (ii) the amount and availability of combined - cycle gas - turbine (CCGT) generation capacity with the required efficiency levels, and (iii) the evolution of commodity prices between now and 2021, the carbon price required to plug the supply gap could be lower or higher than the levels we have imputed from our modelling of the supply - demand dynamics in the EU - ETS over 2019 - 23, and the fuel - switching price levels implied by current forward curve
In particular, depending mainly on (i) exactly how much abatement might be required over 2019 - 23, (ii) the amount and availability of combined - cycle gas -
turbine (CCGT) generation capacity with the required efficiency levels, and (iii) the evolution of commodity prices between now and 2021, the carbon price required to plug the supply gap could be lower or higher than the levels we have imputed from our
modelling of the supply - demand dynamics
in the EU - ETS over 2019 - 23, and the fuel - switching price levels implied by current forward curve
in the EU - ETS over 2019 - 23, and the fuel - switching price levels implied by current forward curves.
In the case of Katrina, Jacobson's
model revealed that an array of 78,000 wind
turbines off the coast of New Orleans would have significantly weakened the hurricane well before it made landfall.
In light of these recent model studies and in the aftermath of hurricanes Sandy and Katrina, he said, it was natural to wonder: What would happen if a hurricane encountered a large array of offshore wind turbine
In light of these recent
model studies and
in the aftermath of hurricanes Sandy and Katrina, he said, it was natural to wonder: What would happen if a hurricane encountered a large array of offshore wind turbine
in the aftermath of hurricanes Sandy and Katrina, he said, it was natural to wonder: What would happen if a hurricane encountered a large array of offshore wind
turbines?
Smaller scale
turbines used to power a home or business are available and new
models for rooftop installations are also
in production, including vertical - axis
turbines that have a smaller, lower profile than horizontal axis
turbines.
To get there, we are continuing our
in - house R&D projects, and also planning a larger fuel powered R&D
model, a heat exchanger prototype and a
turbine prototype.
The blanket - exemption treatment is based on increasingly questionable assertions that wind
turbines reduce atmospheric carbon dioxide levels that supposedly cause global warming, climate change, extreme weather events and an amazing number of dog, people, Italian pasta, prostitution and other exaggerated or imaginary problems, plus others that exist only
in computer
models whose forecasts and scenarios bear no resemblance to Real World conditions or events.
Blades are
modeled on the principles use
in aviation props or blades
in turbine engines.
The 2.0 MW platform of Vestas is the amongst the most robust WTG
model in the market with over 16000
turbines installed globally.
The Bluebird / Bluefish autonomous
model (s) measure: 2300 mm x 825 mm x 735 mm (90.5» x 32.5» x 29») with the
turbines in a mid position.
The
model «incorporates the addition of previously committed gas ‐ fired generation
in the region
in 2018» and cites the «CPV Valley unit, at 650 MW; and a generic combustion
turbine unit at 90 MW».
The 65 - foot - tall VolturnUS 1:8 prototype is a small - scale
model of the giant 6 - megawatt
turbines the University of Maine's Advanced Structures and Composites Center and its partners
in the DeepCWind Consortium hope to have
in the water someday.
Researchers from Kingston University
in London used a viaduct
in the Canary Islands for reference
in computer
models and simulations that showed that the wind blowing between the pillars on these infrastructures can move wind
turbines and produce energy.
While domestic
turbine manufacturers have mostly been limited to producing
turbines 1.5 MW
in size or smaller, plans have been purchased for larger
models and Chinese development of domestic prototypes is beginning.