- 行业: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
A decrease in a value, such as resistance or capacitance, with an increase in the temperature. A thermistor is a semiconductor material with a large negative temperature coefficient of resistance. Its resistance decreases greatly as its temperature increases. This makes thermistors valuable in fire detection systems.
Industry:Aviation
A decrease in pressure of the air flowing into a gas turbine engine caused by friction.
Industry:Aviation
A decrease in the central pressure of a pressure system. This term is usually applied to a low rather than to a high, but technically it is acceptable in either case.
Industry:Aviation
A deep, permanent deformation of a flexible hose, caused by pressure applied by the hose clamps.
Industry:Aviation
A defect in a lacquer or dope finish caused by moisture condensing on the surface before the finish dries.
If the humidity of the air is high, the evaporation of the solvents cools the air enough to cause the moisture to condense. The water condensed from the air mixes with the lacquer or dope and forms a dull, porous, chalky-looking finish. This is called blush. A blushed finish is neither attractive nor protective.
Industry:Aviation
A defect in a metal casting caused by nonmetallic impurities, such as carbon or sand trapped in the molten metal when it was poured into the mold. An inclusion weakens the casting and makes proper machining difficult.
Industry:Aviation
A defect in a paint film caused by the paint attempting to flow off the surface. Runs are caused by the application of too much paint.
Industry:Aviation
A defect in the form of a groove or deep scratch in an otherwise smooth surface.
Industry:Aviation
A defined area on land or water intended to be used either wholly or in part for the arrival, departure, and movement of aircraft. The term also includes any buildings, installations, and equipment in this area.
Industry:Aviation
