A recent form of the Jonval turbine is shown in fig.
This turbine was designed to give 1250 H.P. with a fall of 25 ft.
at 150 revolutions, each turbine will have a nominal horsepower of woo.
Another turbine which has come into extensive use is the " Francis," an exceedingly efficient turbine on a low fall with large quantities" of water.
99, p. 167), using Froude's turbine to obtain the highly resisting spiral vortices, and arranging passages in the casing for the entry of water at the hub of the wheel and its exit at the circumference.
In July 1888 the Societe Metallurgique Suisse erected plant driven by a 500 h.p. turbine to carry out Heroult's alloy process, and at the end of that year the Allgemeine Elektricitais Gesellschaft united with the Swiss firm in organizing the Aluminium Industrie Actien Gesellschaft of Neuhasen, which has factories in Switzerland, Germany and Austria.
2 The following statistics of turbine construction in Switzerland are taken from Schweizerische Bauzeitung (1901), p. 128, which, in the same volume at p. 53, contains a valuable article on the most important improvements in turbines and their regulation shown in the Paris Exhibition of 1901: - of one of these, which gave an efficiency of 87% at full load and 70% at about three-fifths full load.
In turbine engines this method is inapplicable.
Another turbine of the mixed flow type is the " Victor," which consists of three parts - the outer guide case, and, inside this, the register gate, and the wheel.
The turbine FIG.
p. 467, " Some Large Turbine Installations."
Tests of a turbine of this slow-moving type showed an efficiency of 82% at full gate, and one of 75% when half of the passages in the guide-blades were closed by the shutters, as described above.
In the " Hercules " turbine, shown in fig.
This difficulty may be overcome by using Rateau's arrangement of a low-pressure turbine between the engine and the condenser.
efficiency of the Francis turbine being in this case 86% at full load and 77% at half load.
Charles Algernon Parsons, born on the 13th of June 1854, is famous for his commercial development of the steam turbine.
The engine alternator is 50 amps and we have an Ampair 100 wind generator with optional water turbine.
The second EDEN is a turbine torpedo-boat destroyer, launched at Hawthorn Leslie's Yard in 1903.
He invented a steam turbine engine to drive a dynamo to generate electricity.
- ` Hercules " Turbine.
- Jonval Turbine.
They have had steam turbine cogeneration for some time.
Restructuring led to a number of gas turbine cogeneration projects.
Knowledge of the phenomena involved can assist with the design of gas turbine combustors.
Wind turbine costs have fallen dramatically in the last few years making wind power much more competitive.
Later development produced a more advanced turbine engine that used an axial flow compressor.
If you do some contortions you may glimpse a turbine at the bottom of the chamber at the entrance end.
However, when the 100 kW turbine is second, both 30 kW induction couplers are used, starting in sequence.
They are spaced at intervals around the perimeter of the engine exhaust duct near the turbine exit.
The final project is looking at the dynamic response of the system where hydrogen is being produced by electrolysis powered by a wind turbine.
Juvenile fish such as coarse fish fry small enough to pass through the screen will pass through the turbine with minimal effect on mortality.
gas turbine 's health at any given point in time.
Turbine hybrid systems can be used to utilize the energy of the exhaust gases.
gas jeteasurements were performed in the complex environment of a transonic annular cascade, which simulates the flow in the gas turbine jet engine.
Becomes a commissioned officer 1929 Develops the initial idea of the jet engine - using a gas turbine to produce a propelling jet.
WR21 Advanced Cycle gas turbine - includes the gas turbine, combined gas turbine and alternator baseplate, engine controller and acoustic enclosure.
operating an industrial gas turbine is not done for pleasure; it is a means to an end.
The design and development testing of a new gas turbine defines initially how often and to what extent these interventions ought to take place.
Rolls Royce will provide the WR21 advanced cycle gas turbine.
gas turbine combustor design could be improved using automated optimization techniques.
gas turbine engines.
gas turbine combustion chambers.
gas turbine blade.
gas turbine plant operates all of its potential hours for a given period, then availability is 100% .
gas turbine power station was subsequently given the green light by the Department of Trade and Industry in November 2000.
hydro electric turbine was installed on the royal estate in the 1920s to provide Balmoral Castle with electric light.
Your community could club together and have its own micro hydro power station or even a wind turbine.
impulse turbine in which pairs of cup-shaped buckets are mounted around a wheel.
Actually, the temperature at the turbine inlet is the important consideration.
instantaneous snapshot during the interaction of incoming wake with gas turbine blade showing dynamically adapted mesh & turbulence kinetic energy distribution.
megawatts of wind turbine capacity in the Tees Valley are already well advanced.
megawatts from this turbine, but you do get tens and you get it quite quickly.
micro hydro power station or even a wind turbine.
The compressed air supply in the turbine nacelle is only used to release the mechanical brake on a ` start ' command.
The design is an ISCC involving the operation of a parabolic trough solar plant and a combined-cycle gas turbine using naphtha.
onshore turbine is expected to recover over 80 times the input energy required.
penstock gates, self cleaning trash racks and the first submersible bulb type turbine to be installed in Scotland.
A cockpit mounted electric potentiometer sets desired power turbine speed.
The 10 thermocouple probes protrude into the gas stream at the power turbine entrance (station 45 ).
grid reinforcement The electrical grid near the wind turbine must be able to receive the electricity produced by the turbine.
repositioned when the mill was apparently rebuilt to take the turbine.
rooftop wind turbine to generate power for individual homes.
The size refers to the diameter of the turbine rotor.
seaworthy, turbine engined ships, such as HMS Swift of 1907.
stator blades is being designed for this turbine.
high-pressure steam from this combustion process expands out a rocket nozzle or drives a turbine that turns a propeller screw.
steam turbine driven ship.
The Discovery Museum tells the city's story and houses the Turbinia, the world's first steam turbine driven ship.
subsonic turbine flows.
superalloy turbine blades helps to make them resistant to creep?
The mechanical connection from the turbine shaft may be through an engine-mounted gearbox or through a power takeoff shaft to a remotely mounted gearbox.
A fire station in Hayes, west London, has become the first to install a turbine to harness wind power.
A novel ducted wind turbine has been developed by Strathclyde University.
The energy recovery for an offshore turbine is expected to be higher due to higher energy outputs over a longer lifetime.
Over an operating lifetime of 20 years, an onshore turbine is expected to recover over 80 times the input energy required.
South West Water's new hydro turbine has been successfully commissioned at Littlehempston water treatment works to generate enormous amounts of environmentally friendly energy.
turbine blade can be seen at the end of the walkway.
Turbine rotor -- rotating portion of a turbine rotor -- rotating portion of a turbine engine.
turbine combustor design requires consideration of many, often contradictory, objectives.
turbine inlet is the important consideration.
turbine steamers and several hundred paddlers.
Whether a gas turbine is quieter than a diesel engine, I do not know.
They allow the turbine shaft to spin with less friction than the fluid bearings used in most turbochargers.
turbojet Engine: The simplest form of a gas turbine engine.
The edge of the saucer shaped object was thick and had vanes spaced about every foot, like buckets on a turbine wheel.
The Gilkes Vortex turbine was manufactured in Kendal and drove a 6kw dynamo generating 110 volts.
The vortex patterns correspond to the intersection of the laser sheet with the trailing, helical vortices from the turbine blades.
yawing mechanism and tail fin to direct the turbine into the wind.
The accumulator, which is similar in principle to the thermal storage system of Druitt Halpin, is a closed vessel completely filled with water, which condenses the excess of steam during the winding period, and becoming superheated maintains the supply to the turbine when the main engine is standing.
When complete the turbine weighed about 140 tons.
Grid Reinforcement The electrical grid near the wind turbine must be able to receive the electricity produced by the turbine.
The timbers of the mill have been removed or repositioned when the mill was apparently rebuilt to take the turbine.
Already British Gas is piloting a rooftop wind turbine to generate power for individual homes.
The 2.5 kW wind turbine has a 3.5 meter rotor diameter.
Hub Height: The distance from the turbine base to the rotor shaft.
These ships rapidly developed into the much more powerful and seaworthy, turbine engined ships, such as HMS Swift of 1907.
The turbine then drove the spur wheel directly by means of a cast iron gear.
A new set of stator blades is being designed for this turbine.
High-pressure steam from this combustion process expands out a rocket nozzle or drives a turbine that turns a propeller screw.
The Discovery Museum tells the city 's story and houses the Turbinia, the world 's first steam turbine driven ship.
It is concluded that the present method is accurate for quantitative predictions of unsteady heat transfer in subsonic turbine flows.
Which of the following features of Ni superalloy turbine blades helps to make them resistant to creep?
The turbine is silent except for a swishing sound in strong winds, says Stephens.
South West Water 's new hydro turbine has been successfully commissioned at Littlehempston water treatment works to generate enormous amounts of environmentally friendly energy.
Turbine rotor -- rotating portion of a turbine engine.
In the 135 years between 1812 and 1947 there were 11 Clyde turbine steamers and several hundred paddlers.
Most blackouts are caused by the failures of turbine generators.
Turbojet Engine: The simplest form of a gas turbine engine.
Picture below: The end wall of the turbine house facing the river where the water came out of the undershot water-wheel.
Understanding of a jet in cross flow phenomenon is crucial to many applications such as film cooling of turbine blades and V/STOL aircraft.
Most micro wind turbines are fitted with a free yawing mechanism and tail fin to direct the turbine into the wind.
An example of renewable energy is that of a wind turbine.
The wind, a natural resource, generates the turning of the turbine so that the turbine's blades can produce electricity.
You can even set up your own home made wind turbine.
Turbine blades turn in several parts of the country, generating power from the wind currents that flow across the Earth as a direct result of the uneven heating of the planet as it orbits the sun.
There were carpet and flooring companies, low VOC paint makers, reclamation companies, low flow toilet and wind turbine manufacturers, recycling and reclamation facilities, green roof products and landscapers.
Not everyone can install solar panels or take advantage of a wind turbine, but there are many simple things every household can do to conserve energy and thus save money.
You can also have your own wind turbine.
In some areas, where large numbers of turbine farms are located, there can be collection of enough wind power to provide power for whole cities.
One drawback of wind power is the necessity to site large wind turbine units in a suitable situation.
Modern wind turbines are more efficient and are able to produce wind power at much lesser levels of wind than earlier versions, however there are still levels, depending on the turbine, under which energy cannot be harvested.
There are fears that birds can fly into the wind turbine and get killed.
Along with this, the turbine is also equipped with a couple of permanent magnet alternators which are connected to the blades.
If you plan to install a wind turbine that's grid-tied, you'll have to get it approved by your local electricity distribution company first.
The cost of connecting to a grid can be substantial even for a small turbine and should be taken into consideration when determining the installation costs.
Wind power involves harnessing the kinetic energy in wind and converting it to electricity via a wind turbine.
Prices range from about $10,000 to as much as $50,000 to have someone else install your wind turbine.
Many of the kits that this article addresses, however, are designed for the homeowner to install the wind turbine him or herself.
As technology continues to improve, it's becoming more and more practical to set up your own home wind turbine.
These mount on a tower directly behind the turbine's rotor.
The airborne wind design means that the turbine is supported in the air without the high tower.
Known as a magnetically levitated wind turbine, the MagLev can make enough power to light over 750,000 homes My Wind Power System.com.
The MagLev has a turbine that rests on air, which functions as a cushion.
Get a look at the helical structured wind turbine and Phillipe Starck's home windmill.
Size of the wind turbine: Wind turbines are large and not allowed in some suburban communities and urban settings.
If this might be a concern to you, visit a site where a turbine has been installed to listen with your own ears to make an accurate determination according to your own sensitivity to noise.
A second thing to think about is the size of the tower needed for your wind turbine.
Towers most often are between 80-120 feet so that the turbine stands above the trees and other obstacles that can affect wind flow.
Wind velocity increases with altitude and the height of the tower directly relates to increased turbine performance.
Shopping for the wind turbine right for your home will depend on your budget and whether or not you plan to install the turbine yourself.
The most obvious advantage to installing a wind turbine yourself is the money you save, but beyond that self-installation gives you a hands-on understanding of the mechanics.
If you are interested in installing your turbine, talk to various manufacturers to learn what your options are.
If you do install your own turbine you'll have less customer support.
When choosing wind power for your home, often the most reasonable way to generate clean, on-site electricity is to install a turbine with the capacity to generate 100 kilowatts and under.
Installing a wind turbine is a long term energy solution, so be sure to do your research to find the turbine right for your location and needs.
Pipes work to channel the water and direct the flow to push against turbine blades, which in turn power generators and produce electricity.
Wind power - A wind turbine is another option favored by people living off grid.
Wind energy harnesses the power of the wind to create electricity through use of a wind turbine.
Mechanical energy from the turning of the turbine blades creates electricity.
This means that you may suffer from the ill effects caused by a wind turbine on your property.
It is important to note however, that the residents closest to the wind turbine are likely to have issues.
Effects can range anywhere from headaches and nausea to long-term issues with anxiety and the so-called "wind turbine noise syndrome", a term coined by Nina Pierpont in her book, "Wind Turbine Syndrome".
Research by the National Academy of Medicine in France led scientists to recommend that no wind generators be installed within one-mile of any human dwelling in order to protect residents from the ill effects wind turbine can cause.
Wind turbines are just modern windmills; the wind spins the blades of the turbine, which in turn converts that energy into electricity.
With hydropower, water is forced into a dam and then pushed through a large turbine that creates electricity.
In a wind farm, large windmills capture the power of the wind and send the energy to a turbine that converts it into electricity.
The height of the turbine is necessary in order to reach the fastest, less turbulent air.
If you are considering wind energy, you should check with your city government or HOA (Home Owners Association) for any restrictions regarding installation of a wind turbine system.
You may be able to also install a single wind turbine for your household energy needs, depending on the size of your home and the size of the wind turbine.
Research has focused on how to reduce the noise and seismic activity created by the rotating blades while allowing the turbine to function properly.
You may choose to purchase electricity from a power company that relies on wind turbines, or install your own turbine to generate power for your home.
The turbine consists of large blades mounted on a pole or tower like a propeller, either in a horizontal or a vertical format.
Obviously, if the wind stops blowing for an extended period of time, the turbine will fail to produce electricity.
A giant, one megawatt turbine can provide power to about 250 homes and can encourage one million dollars in economic development.
Wind turbine construction is subject to local building codes, which may present a major obstacle in some areas.
This is accomplished by the use of a wind turbine.
A wind turbine converts the force of the wind into torque on the rotor blades.
The faster that the wind turns the blades of the turbine the more energy will be produced.
The turbine has many components and each does a part in converting the raw energy of the wind into usable energy to run appliances, air conditioners, and other items used every day.
Here is a simple explanation of how a turbine turns wind energy to electrical energy.
A homeowner that wants to implement a small turbine system can expect to spend roughly between 10,000 and 80,000 dollars for the setup depending on the turbine size, how much work you do yourself, and permits required by your city.
While financially setting up a turbine system may not be a significant savings on your electrical costs for some time, it will allow you to be independent of energy companies and will ensure that you are using clean energy.
Dry steam: A power plant that takes steam out of fractures or holes in the ground and uses it to drive a turbine.
The steam created during boiling is then separated off and run through a turbine.
The average 10 kilowatt wind turbine system costs around 40,000 dollars, according to the American Wind Energy Association (AWEA), so it's a little less expensive than solar power.
However, the conditions are pretty specific: two gallons of moving water per minute, and you must build a shed to protect the turbine from debris and freezing temperatures.
Manufacturing wind turbine parts is also being touted as a way to help replace some of the jobs lost by the automotive industry's recent decline.
The two main types of wind turbine designs that work to generate power are vertical axis and horizontal axis.
Vertical Axis - This type of turbine operates with its main rotator shaft arranged vertically.
A vertical axis turbine works well for areas with that have variable wind speeds.
Horizontal Axis - This turbine type has a rotating shaft mounted horizontally on a vertical tower or pole.
This turbine works well in flat, large areas such as a field or ocean.
Scientists have found that by letting the water boil up through the ground to produce steam can generate power for a turbine to generate electricity.
Turbine, the publisher and developer of Asheron's Call, Asheron's Call 2 and the Legions expansion pack, all for the PC, has announced that they will be suspending service for the multiplayer games.
Turbine spokespeople have reassured players of their original hit that there are no plans to cease operations.
In related news, Turbine has announced that they are closing their West Coast offices and consolidating into their Westwood, Massachusetts headquarters.
The company has downplayed the connection between the two events, but clearly they are related as Turbine tries to cut costs.
Turbine has said they are reassigning all of the employees who were working to support the AC2 game onto other projects.
Turbine currently has additional MMORPGs in development: Dungeons & Dragons Online: Stormreach and Lord of the Rings Online: Shadows of Angmar.
Turbine plans to self-publish Lord of the Rings Online: Shadows of Angmar, which is currently in development at their East Coast studio.
crow's nest The turbine blade can be seen at the end of the walkway.
dry dockruary 1940, she developed turbine trouble and had to be dry-docked for repairs at Leigh, England.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.