A foil-air bearing for the core rotor shaft of an aircraft turbine engine.
A foil bearing, also known as a foil-air bearing, is a type of air bearing. A shaft is supported by a compliant, spring-loaded foil journal lining. Once the shaft is spinning fast enough, the working fluid (usually air) pushes the foil away from the shaft so that no contact occurs. The shaft and foil are separated by the air's high pressure, which is generated by the rotation that pulls gas into the bearing via viscosity effects. The high speed of the shaft with respect to the foil is required to initiate the air gap, and once this has been achieved, no wear occurs. Unlike aerostatic or hydrostatic bearings, foil bearings require no external pressurisation system for the working fluid, so the hydrodynamic bearing is self-starting.
A foilbearing, also known as a foil-air bearing, is a type of air bearing. A shaft is supported by a compliant, spring-loaded foil journal lining. Once...
some specialized scientific research applications. Foil bearings are a type of fluid dynamic air bearing that were introduced in high speed turbine applications...
Foil bearing, a type of fluid bearingFoil (architecture), decorative device derived from cusps of circles Foil stamping, a printmaking technique Foil (fencing)...
velocity and an associated reference area. A lifting body is a foil or a complete foil-bearing body such as a fixed-wing aircraft. CL is a function of the...
provide a low friction load-bearing interface between surfaces. The two surfaces do not touch, thus avoiding the traditional bearing-related problems of friction...
wastegate response Reducing bearing frictional losses, e.g., using a foilbearing rather than a conventional oil bearing Using variable-nozzle or twin-scroll...
hydrogen compressor Fire piston – Tool for kindling a fire Foilbearing – Type of air bearing Hot air engine – External combustion engine using air as the...
operation at practical sizes. Developments in foilbearing technology indicate it may take 20 years to achieve foil bearings for this diameter, and magnetic...
coating. For example, aluminium foil develops a thin skin of Al2O3 (called a passivation layer) that protects the foil from further oxidation. Oxides are...
The middle of the wrapping is covered with gold and brown laminated foil, bearing the names "Chokotoff", "Côte d'Or" and the company's logo, an elephant...
velocity and an associated reference area. A lifting body is a foil or a complete foil-bearing body such as a fixed-wing aircraft. CL is a function of the...
of history. But for all its faults, state socialism provided an important foil for capitalism. It was in response to a global discourse of social and economic...
the bearing is too large for an etching bath. A foil on which the grooves have been etched is obtained, and is soldered onto the flat bearing surface...
1/8 inches (2.86 cm) in height overall consisting of a scarlet penta-foilbearing a silver pentagon, corners terminating in fleurs-de-lis and charged with...
of rituals in Hindu tradition. Often it is decorated with bright metal foils and other symbols of auspiciousness. It is offered during worship to a Hindu...
engagement. At the last moment, Sonya discovers her plans to elope and foils them. Natasha learns from Pierre of Anatole's marriage. Devastated, Natasha...
important part of the rotary union is the bearing. A rotary union may have only one bearing, but multiple bearing are much more common. Roller bearings;...
chooses to ignore the insults and leaves. 93 (4-31) "欲擒故纵 – Yùqíngùzòng - Foils" General Meng and Star Wraith have surround the Confucian village. They...
Twomey (18 September 2014). Professor Anne Twomey – Succession to the Crown: foiled by Canada? (Digital video). London: University College London. Twomey, Anne...
Chung, Ong Chit (2011). Operation Matador: World War II—Britain's Attempt to Foil the Japanese Invasion of Malaya and Singapore. Singapore: Marshall Cavendish...
Milk chocolate divided into two squares (classic purple plastic-foil twist-wrapper, bearing 'Cadbury Dairy Milk' and the traditional 'glass and a half' logo)...
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