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	Ram air turbine - Wikipedia, the free encyclopedia
		A ram air turbine (RAT) is a small propeller and connected generator used as an emergency power source for aircraft.
		Modern aircraft generate power through the main engines or additional fuel-burning turbines, auxiliary power units, often a small tail-mounted turbine engine.
		Air Canada Flight 143; better known as the Gimli Glider incident
	en.wikipedia.org /wiki/Ram_air_turbine (332 words)

	Wind turbine - Wikipedia, the free encyclopedia
		The air flow at the blades is not the same as the airflow far away from the turbine.
		For large, commercial size horizontal-axis wind turbines, the generator is mounted in a nacelle at the top of a tower, behind the hub of the turbine rotor.
		The turbine closest to the north pole is a Nordex N-80 in Havoygalven near Hammerfest, Norway.
	en.wikipedia.org /wiki/Air_turbine (6078 words)

	The Turbine Engine
		The compressed air is heated as it passes through the high-pressure side of the regenerators, and then it enters a combustion chamber (burner) in to which fuel is injected and ignited.
		Since the power turbine is rotated by hot gases and is not mechanically connected to the gas generator rotor, the power turbine stops whenever the car stops, and the gas generator continues idling.
		The gas turbine engine is rated at 130 horsepower at 3600 rpm output shaft speed and 425 lb-ft torque at zero output shaft speed under ambient temperature and atmospheric pressure conditions of 85 F and 29.92" Hg, respectively.
	conceptengine.tripod.com /conceptengine/id4.html (936 words)

	Turbine-driven air-powered flare - Patent 4036580
		An air powered flare in which the blower or fan which provides the primary combustion air, is driven by a steam turbine, and the exhaust steam from the turbine is inserted into the stack to be mixed with the compressed primary air moving upwardly to a burner at the top of the flare stack.
		The exhaust steam from the turbine is then utilized to improve the combustion as needed in the flare, by being injected into the stack upstream of the burner to be mixed with the primary combustion air, or it is injected through nozzles into the flame, downstream of the burner.
		When a steam turbine drive is substituted for the electrical motor drive, combined with the delivery of the exhaust steam from the turbine to the air en route to the burning zone, the greatest smoke suppressive capability results.
	www.freepatentsonline.com /4036580.html (2606 words)

	History (Site not responding. Last check: 2007-10-22)
		The compressed air turbine circuit begins with the intake of ambient air by the compressor, which is powered by a direct connection to the turbine.
		The air is compressed to several atmospheres and exits through a recuperator which transfers heat from the turbine exhaust to the compressed air and improves the efficiency of the system.
		The turbine exhaust then passes through the recuperator and is either discharged to the atmosphere or utilized for cogeneration.
	pmcproduction.com /history.html (703 words)

	Air Turbines for Spin Testing
		Air turbines are compact drive systems which permit easy mounting and removal from the Spin Testing Chamber, requiring only a few connections or dis-connections.
		Air turbines, because they are mechanically driven devices, provide no electrical interference and do not degrade the signal output from instruments mounted to the test disc.
		Air turbines are the best drive choice for LCF testing because their high operating speed and inherent torque characteristics give short cycle times and are relatively simple mechanically.
	www.testdevices.com /airturbine.htm (2101 words)

	Creative Energy Technologies Inc: AIR X Wind Power Turbine Generators for Marine Wind Energy (Site not responding. Last check: 2007-10-22)
		AIR marine wind turbine generator's cast aluminum body and corrosion-resistant powder coated finish offer the cruiser the highest possible quality and reliability in wind turbine design.
		AIR marine wind turbine generator is the number one selling battery charging wind turbine in the world.
		Blades: The AIR marine wind turbine generator's blades are made of carbon fiber reinforced composite that twists as the turbine reaches its rated output.
	www.cetsolar.com /airmarinex.htm (759 words)

	Gas Turbine Propulsion
		Early gas turbine engines worked much like a rocket engine creating a hot exhaust gas which was passed through a nozzle to produce thrust.
		Because gas turbine engines are so important for modern life, we will be providing a lot of information about turbine engines and their operation.
		Turbine engines come in a wide variety of shapes and sizes because of the many different aircraft missions.
	www.lerc.nasa.gov /WWW/K-12/airplane/turbine.html (547 words)

	V-Cell Gas Turbine Air Filters: Delta Filtration (Site not responding. Last check: 2007-10-22)
		Gas turbine filters are an essential element in the smooth running and the continued efficiency of gas turbine engines.
		The air intake system of gas turbine engines is designed to provide a clean, uniform airflow to the gas generator.
		Control of the air intake by effective filtration to prevent contaminants from fouling the compressor blades is essential to maintaining performance.
	www.deltafiltration.com /html/gasturbine.shtm (484 words)

	Turbine Inlet Air Cooling
		Turbine Inlet Air Cooling, Inlet Fogging and Humid Air Injection systems are becoming increasingly popular choices that help increase a combustion turbines (CT) performance and output.
		The density of the air (or the total amount and number of air molecules) increases as the temperature decreases.
		Since the compression of the air inside the turbine is more efficient at lower temperatures, the turbine’s horsepower requirements to compress the air is decreased.
	www.cogeneration.net /Turbine_Inlet_Air_Cooling.htm (1021 words)

	Air turbine machine spindles have no gears: News from ITC Tooling
		Air turbine machine spindles have no gears or lubrication and cut cycle time and downtime drastically while maintaining high speeds and torque under load.
		The selectable air feed connectors enable the user to switch between V flange or side air feed connecting options in one unit.
		Air Turbine Tools 600 Series features are: * Five high concentricity stainless steel units pictured - three single turbine 602JS, 625JS and 650JS plus two the double turbine extra power units 625XJS and 650XJS.
	www.manufacturingtalk.com /news/itc/itc130.html (557 words)

	Aerospaceweb.org \| Ask Us - Ram Air Turbines
		The device you speak of is known as a ram air turbine, or RAT.
		But while an APU is essentially a small jet engine that burns regular jet fuel to generate this additional power, the RAT consists of a propeller that is spun by the high-speed air flowing past the aircraft.
		Although the Airbus A330 is equipped with a ram air turbine, as evidenced by the recent emergency landing you speak of, most commercial aircraft tend to use more traditional APUs instead.
	www.aerospaceweb.org /question/electronics/q0044c.shtml (237 words)

	Engine & turbine engineering - Air / Fuel ratio control
		On automotive SI engines, the air / fuel ratio is typically controlled to the stoichiometric value for reduced exhaust emissions using a three way catalyst (due to heavy goverment legislation by EPA, CARB in the U.S.), fuel economy, and performance.
		Air / fuel ratio control is acomplished by monitoring lambda with an exhaust gas oxygen (EGO) sensor and controlling fuel flow with closed-loop control on the EGO sensor.
		Some primary air is mixed with the fuel and secondly air is supplied to supporting the fuel combustion along the flame flow.
	www.eng-tips.com /viewthread.cfm?qid=9378 (674 words)

	Creative Energy Technologies Inc: AIR Industrial Wind Power Turbines Generators for Remote Wind Energy (Site not responding. Last check: 2007-10-22)
		The AIR Industrial wind turbine generator was introduced in the 3rd quarter of 1998, as a wind turbine capable of resisting the harsh environments that generally accompany mountaintop repeater sites and off shore platforms.
		The AIR Industrial wind turbine generator's low wind loading and light weight design allow it to be mounted on existing structures within a few hours.
		Blades: The AIR Industrial wind turbine generator blades are made of carbon fiber reinforced composite that twists as the turbine reaches its rated output.
	www.cetsolar.com /airindustrial.htm (792 words)

	Oscillating Water Columns, Wells Turbine and Uses as Power Generation Sources
		When the wave approaches, it causes air to be forced into the air chamber and out of the port, near the back wall.
		One of the biggest problems involving wave power generation was the simple fact that salt water is a highly corrosive substance, especially when in contact with mechanical parts for long durations of time.
		As the reservoir fills the water rushes towards the outlet of the reservoir,through a turbine housing [5].
	classes.engr.oregonstate.edu /eecs/fall2003/ece441/groups/g12/White_Papers/Kelly.htm (1251 words)

	COMP AIR 7 Turbine
		The Comp Air 7 Turbine is unmatched in its class for speed, climb capability, and ease of handling.
		Designed originally for the brutal conditions of commercial operations in Siberia and the Russian bush, the Walter is a powerplant that's built to last, with minimal maintenance.
		And the fact that the Walter turboprop easily produces the equivalent of 657 HP turns the Comp Air 7 into an airplane with capabilities that thrill fighter pilots, airline captains, and other airborne "power junkies".
	www.aerocompinc.com /airplanes/CA7/index.htm (273 words)

	Air Turbine® Turbo Grinders :: emazing international
		Air Turbine Tools® deliver precision, a cleaner cut, greater accuracy, less vibration and faster production rates.
		Precision motor mounts Turbine Grinders to be used on CNC Milling and Drilling machines, with 4 heavy duty bearings, thick stainless steel housing, solid, compact and easy to adapt!
		The air turbine tools reliable mechanism generates constant high speed with few moving parts, resulting in a cleaner, faster cut.
	www.emazing.com.au /tools/airturbine.htm (430 words)

	1 VIBCO, Silent Pneumatic Turbine Vibrators
		Turbine vibrators maintain 70-75 db's throughout their entire life, as compared to sharp increases in noise levels of ball roller and piston type vibrators.
		Turbine sound levels actually reduce after a short "break-in" period and retain a constant low sound level throughout their life.
		Turbine vibrators maintain 70-75 dB throughout their entire life as compared to sharp increases in noise levels of ball, roller, and piston vibrators, reaching up to 100 dB and over.
	www.vibco.com /pneumaticturbinevibrators/main.htm (807 words)

	AAF International - Gas Turbine Filtration, Inlet Air
		AAF has extensive experience in the design and application of gas turbine air filtration systems for all environments. Our filtration systems can be found in thousands of gas turbine installations around the world.
		The AAF gas turbine cartridge filter is a heavy duty, highly efficient cylindrical element developed for use in self-cleaning pulse-type air filtration systems. Specifically designed to withstand harsh gas turbine operating environments, AAF gas turbine cartridge filters are made of a high strength polyester reinforced media for unsurpassed resistance to abrasion and rupture.
		Specifically designed to protect gas turbines and rotating machinery that operate offshore, in coastal regions, or at sites that have heavy fog and mist, the M-81 is a heavy-duty mist eliminator filter pad that can be used in various configurations to meet specific application needs.
	www.aafintl.com /eprise/main/aaf_intl/gasturbine/filters (528 words)

	CLINICAL AIR TURBINE HANDPIECES (Site not responding. Last check: 2007-10-22)
		It composes the suction-back preventing mechanism designated to virtually prevent entry of oral blood, virus and foreign substances into the turbine as a result of pressure change when the turbine stops.
		Because the Clean Head System is incorporated in the turbine head, the service life of the turbine cartridge is increased.
		Because the body is made of special stainless steel, the resistance to autoclave sterilization has been remarkably increased unlike the conventional types using the metal-plating which may be peeled or discolored as a result of repeated autoclaving.
	www.northcoast.com /~mlnnhn/nl-75.htm (615 words)

	Maisotsenko Combustion Turbine Cycle
		The MCTC is similar to the Humid Air Turbine (HAT) cycle, but it uses far less equipment with much higher heat transfer rates and less pressure drop.
		There is no need for after-compressor heat exchangers to cool the compressed air to near its dew point temperature before the air enters the saturator with the cooled water from the saturator.
		Humidification of the compressed air and/or super heating of that air with the exhaust gas is easily controlled by the amount and location of water entering the shell side of the top exchanger.
	www.idalex.com /applications/MCTC.htm (737 words)

	Ram Air Turbine-Driven System
		air is used to turn the blades of a turbine that, in turn,
		acceleration of the turbine, the turbine blades remain
		The turbine is maintained in the fully extended
	www.tpub.com /air/7-27.htm (291 words)

	Turbine Rupture Disk Covers
		Turbine rupture disks (Figure 1) or diaphragms protect low pressure turbine casings from deforming or rupturing due to an accidental increase of the internal steam pressure.
		Subsequently, water and steam chemistry and cycle corrosion protection goes out of control and, in a case of severe air inleakage, condenser vacuum and cycle output and efficiency are reduced.
		Severe air inleakage is also a safety hazard for operators and maintenance personnel.
	www.mindspring.com /~jonasinc/ruptdisc.htm (370 words)

	Air Turbine Technology On Show At Mach: News from ITC Tooling
		Air Turbine tools contain friction free motors with fewer moving parts to ensure a 30% saving on compressed air consumption and guarantee minimal noise levels below 70dBa and less vibration during operation.
		The air turbine tools are supplied with a 3 or 6mm collet, collet wrenches and air supply fittings.
		For specific applications, air turbine tools are available with 45 and 90 degree angled heads.
	www.subcontractingtalk.com /news/itc/itc105.html (380 words)

	Inlet Air Treatment Components & Systems
		Inlet air treatment systems are essential for providing the clean, tempered air necessary for reliable, high-performance gas turbine operation.
		This sharp burst of compressed air produces a shock wave and a momentary reversal of normal air flow.
		For applications where the ambient air is clean enough to require long time intervals between pulse cleaning cycles, a clock override can be used to initiate the cleaning cycles.
	www.braden.com /Braden/gas_turbine/inlets/inlet.htm (1265 words)

	EPRI: Evaluation of a Gas Turbine Inlet Air-Cooling System
		Evaporative or chiller-based compressor inlet air cooling systems for gas turbines operating at high ambient temperatures provide a more economical means of increasing capacity than adding new gas turbines.
		To assess the technical and economic aspects of gas turbine inlet air-cooling systems as a means of improving capacities and heat rates of gas turbines that experience high ambient air temperatures.
		Researchers calculated the achievable net improvement in gas turbine generator performance by evaporative cooling of the inlet air at three sites: one with hot and arid ambient conditions, one with hot and humid conditions, and one with temperate and moderately humid conditions.
	www.epri.com /OrderableitemDesc.asp?product_id=GS-6874 (695 words)

	Power Air Tool
		If you are new to high speed air turbine tools, you will be surprised by what you have been missing.
		The Powercrafter air turbine tool is designed to give you everything you have always wanted from your tool.
		Most electric motor tools and other air rotary tools are bulky, hard to control, vibrate and give off lots of heat.
	www.powerairtool.com (207 words)

	Air Turbine Propeller Fan Blades
		Its wide blade design gives it the ability to produce a large volume of air at low static pressures.
		The fan's ability to produce large volumes of air at low speeds lowers its noise output.
		This fan is designed to operate against medium static pressures and produce the same airflow at lower speeds.
	www.airturbine.com /productline (202 words)

	Power Technology - AxEnergy - Combustion Turbine Inlet Air Cooling System
		By controlling inlet air temperature, our fogging systems ultimately ensure increased gas turbine output by restoring lost power and reducing heat rate.
		Inlet cooling enhances the mass flow through the turbine, increasing the pressure ratio and reducing the amount of compression required.
		This combination of factors often minimizes the generating capacity of a gas turbine.
	www.power-technology.com /contractors/turbine-cooling/axenergy/index.html (531 words)

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