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Aviation
Dealing with vehicles or machines used in flight or propulsion through the air.
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root mean square (RMS)
Aviation; Aircraft maintenance
A dimension that is the square root of the average of an infinite number of varying values. An rms dimension is used to indicate the allowable surface roughness of a reciprocating ...
Pilot’s Operating Handbook (POH)
Aviation; Aircraft maintenance
A document published by the airframe manufacturer and approved by the FAA that lists the operating conditions for a particular model of aircraft. Engine operating parameters are ...
three-dimensional cam
Aviation; Aircraft maintenance
A drum-shaped cam in a hydromechanical fuel control whose outer surface is ground so that followers riding on the surface, as the cam is moved up and down and rotated, can move ...
convergent-divergent duct
Aviation; Aircraft maintenance
A duct that has a decreasing cross section in the direction of flow (convergent) until a minimum area is reached. After this point, the cross section increases (divergent). ...
convergent duct
Aviation; Aircraft maintenance
A duct that has a decreasing cross section in the direction of flow.
reverse-flow combustor
Aviation; Aircraft maintenance
A type of combustor in which the air from the compressor enters the combustor outer case and reverses its direction as it flows into the inner liner. It again reverses its ...
can-annular combustor
Aviation; Aircraft maintenance
A type of combustor used in some large turbojet and turbofan engines. It consists of individual cans into which fuel is sprayed and ignited. These cans mount on an annular duct ...
Sub-categories
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- Aeronautics (18944)
- Air traffic control (14233)
- Aircraft (22883)
- Aircraft maintenance (1634)
- Airframe (736)
- Airline (2189)
- Airplane flying (18062)
- Airplanes & equipment (4488)
- Airport (11900)
- Avionics (154)
- General aviation (1759)
- Helicopter (80)
- Jet engines (2630)
- Powerplant (618)