Sentences with phrase «of nacelle»

According to Deutsche WindGuard, demands for the inclusion of nacelle - mounted Lidar for power curve test in turbine agreements occur in about half of the projects.

Nacelle fires which are inaccessible to fire fighters due to the height of the nacelle plus the burning debris drifting for kilometres down wind are the second major fault of wind turbines next to blade failures.

The rear part of a nacelle casing on an Adwen M5000 turbine broke off and fell in the sea at the 60MW Alpha Ventus wind farm (pictured) in the German North Sea.

Even some traditional cleaning chemicals are high in volatile organic compounds (VOCs) which, when evaporated in the confines of the nacelle or hub, can cause respiratory irritation and trigger asthmatic attacks.

Several vessels helped recover parts of the nacelle casing and operators of nearby wind farms were warned of the possible parts floating in the area.

The Siemens 6 MW prototype even has a helicopter - hoisting platform integrated in the back of the nacelle to allow easy access for service technicians.

Once the NAS is pulled up and attached to the side of the nacelle, it uses a number of cables to hoist the crane itself.

Not exact matches

Blacking out the lower center makes the car seem slimmer than it really is and gives the impression of a central nacelle around the engine compartment.

One wonders if so much frontal - inlet area is necessary, but these front - quarter grilles allow a central nacelle much like racing cars of yore, before ugly wings became necessary.

Sharp separation of top of trunk and tail panel also transitions from convex surface above, concave below, with a little inset nacelle to present the Nissan badge.

EU ODS Regulations * No change to halon critical use list but EC chaired regulatory committee given authority to change the list and / or set time limits * DG Environment proposal contains the following end dates for aviation critical uses o Cargo compartment fixed systems — can not be installed on new aircraft after 2015, end of critical use exemption is 2030 o Cabin / crew compartment portables — 2010, 2015 o Engine nacelles and APU — 2010, 2030 o Lavatory (potty bottles)-- 2008, 2015 o Dry bays — 2010, 2030; Inert fuel tanks — 2008, 2030

VAWTs offer three main advantages: a lower turbine center of gravity; reduced machine complexity (they don't need a control system to rotate the nacelle and point it in the direction of the wind); and better scalability to very large sizes.

One architecture studio has an idea about how to house all of those technicians while they're out inspecting offshore wind farms - by building apartments inside the nacelle of the turbines.

For instance, since no U.S. ship was capable of hoisting the 400 - ton nacelles, or generators, 330 feet to the tops of the Block Island turbine towers, Deepwater Wind had to lease a Norwegian vessel to do the job.

Installation of the Block Island Wind Farm's turbine towers, blades and nacelles is scheduled to begin in early August at the project site, roughly three miles off the coast of Block Island, Rhode Island.

In the Australian context with our very inflammable environment right across SE australia where by far the bulk of the turbine farms are located, the almost guaranteed likelihood of turbine nacelle fires might well be a very major and an ultimately disastrous life destroying fault of wind turbines as they begin to age and become more prone to mechanical failure and electrical failures in the nacelles.

Unfortunately, if I can put it that way, I am waiting / dreading the consequences of a major bush fire being started by a wind turbine nacelle fire.

I have seen the steel stairs leading to the doors of turbines bowed and broken by ice falling from the nacelle.

As the blades of a wind turbine turn, the kinetic energy of the wind is converted into mechanical energy, which is transmitted through a drive shaft to an electrical generator in the nacelle.

What is more, nacelle - Lidars become increasingly relevant as the power ratings and rotor diameters of offshore wind turbines keep growing.

Eventually, nacelle - Lidar power curve verifications are expected to be generalized on all operating wind farms to improve the understanding of potential turbine underperformances globally.

For this project built 23 kilometers off the coast of Suffolk in England, a Wind Iris was installed on a nacelle.

Although nacelle - Lidar measurements are not yet covered by IEC standards, developers are requesting that nacelle - mounted LIDARs be selected as a cost - effective alternative to met masts as part of the Turbine Supply Agreement.

Since 2013, the German independent consulting firm highlighted that power curve warranties based on two - and four - beam nacelle Lidar power curve verification already have been successfully created by three of the leading turbine suppliers.

The campaign concluded that the Wind Iris nacelle - Lidar was able to measure wind speed out to 454 meters, with a precision similar to that of a met mast.

The cranes must be equally capable of lifting 400 - to -500-ton nacelles 110 meters in the air and positioning them atop the towers.

Deepwater Wind, an American offshore wind developer, used Fred Olsen Windcarrier's foreign - flagged Brave Tern, a state - of - the - art heavy - lift jack - up vessel, which ferried five nacelles from France, to construct its five - turbine, 30 - MW wind farm with the assistance of U.S. - flagged feeder vessels.

Save the Eagles International (STEI) has posted photographs of raptors perched on nacelles or nonmoving blades, and ospreys building a nest on a decommissioned turbine.

The failure of retaining bolts led to a nacelle casing falling off an Adwen M5000 turbine at the 60MW Alpha Ventus offshore wind farm in the German North Sea, according to the project's co-operator EWE.

Upon promise of payment of many pigs, a Tanna or Ambrym Bigfella would erect a DC - 3 mock - up out of shrubbery, making up for the absence of engines in the woven wicker nacelles by having his entourage of virtual graduate students copy and append aerodynamically correct propeller blades, carved out of tree fern trunks.

Your points are fine but they don't address the point, by the way it seems that you're unaware of the degree to which the CFD designs are relied on without further testing, e.g.: «Design decisions were made from CFD because powered nacelle wind tunnel testing could not be performed in time» Mark Goldhammer, Manager, 777 Aerodynamics Development

Similarly, a variety of other components, including the blades and nacelles, will be shipped from Europe for assembly on site.

The operator of the 60MW German offshore wind test field Alpha Ventus is preparing to exchange the nacelle of an Adwen AD 5 - 116 turbine, part of which for still unknown reasons fell into the North Sea in early April.

In addition enormous low loaders will be coming and going delivering massive mechanical parts, towers, nacelles, generators, gearboxes, transformers, power cables and blades from hundreds or thousands of miles away.

* Turbine blades are formed of durable and lightweight composites * Rotational molding processes used with high - strength thermoplastic materials * Standard construction practices used to inexpensively build, deploy, and maintain nacelles * Assembled with carefully selected off - the - shelf drive and generating components including brushless generators, high reliability gear trains, and double graphite / ceramic face seals for rotor shafts * Self - cleaning screen for horizontally deflecting debris and fish away from turbine blades (also designing screenless, debris immune, and more fish - friendly turbine) * Yaw bearing for bidirectional operation in tidal waters

Production and installation costs should also be lower once production of direct drive turbines scales up; the example above about the 3 MW turbine nacelle weighting 12 tons less than the 2.3 MW nacelle makes a big difference when you have to ship and install hundreds of turbines...

Design hardware components of engine nacelles for Airbus, Boeing, Embraer, Bombardier, Mitsubishi