航空術(shù)語(yǔ)詞典 Dictionary of Aeronautical Terms 上

時(shí)間：2011-03-11 23:11來(lái)源：藍(lán)天飛行翻譯 作者：admin 點(diǎn)擊：次

conductor (thermal). A material that is able to transfer heat easily and directly to another material by conduction. Most metals are good thermal conductors, while wood, paper, cloth, and many plastic materials are poor conductors — they are insulators.
conduit (electrical component). A tube or duct used to enclose and protect electrical wiring. Rigid conduit is usually made of thin-wall aluminum tubing, and flexible conduit is made of metal braid.
cone. A solid shape formed by rotating a right triangle about one of the legs which forms the right angle.
cone bottoming (propeller installation problem). A condition in the installation of a propeller on a splined shaft when either the front or rear cone contacts an obstruction that prevents the cone seating properly inside the propeller hub.
cone clutch. A type of clutch used to engage and disengage a component from a drive unit. The part of the clutch attached to the drive unit is a smooth internal cone, and the drive element of the clutch is made in the form of an external cone that mates exactly with the drive cone. Most cone clutches use a friction liner between the two surfaces.
Oil pressure applies a force that wedges the two cones tightly together to engage the clutch, and a spring disengages the clutch by forcing the cones apart when the oil pressure is released.
cone of silence (radio navigation). A location directly above the antenna of a four-course, low-frequency radio range in which the signals from the antennas cancel and no signal is received. The cone of silence can be identified by the signal building up in volume just before it disappears.
conflict alert (air traffic control). The function of an automated air traffic control system which alerts radar controllers of existing or pending situations which the program recognizes as requiring immediate attention and/or action.
conflict resolution (air traffic control). The resolution of potential conflicts between aircraft that are radar identified and in communication with ATC by ensuring that radar targets do not touch.
Pertinent traffic advisories shall be issued when this procedure is applied.
congeal. To change from a freely flowing liquid into a liquid too viscous, or stiff, to flow.
congealed oil. Oil that has become too viscous, or thick, to flow because of its low temperature or because of contamination. Congealed oil is too stiff to act as a proper lubricant for an aircraft engine.
conifer (wood nomenclature). A tree that bears cones. The technical meaning of the term softwood is wood that comes from a conifer, or cone-bearing tree.
coning angle (helicopter rotor blade parameter). The angle formed between the plane of rotation of a helicopter rotor blade when it is producing lift, and a line perpendicular to the rotor shaft.
The degree of the coning angle is determined by the relationship between the centrifugal force
acting on the blades and the aerodynamic lift produced by the blades.

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