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Aerospace Dictionary

Actinic ray – Aerospace Dictionary

actinic ray – EM radiation, such as short-wave length end of visible spectrum and ultraviolet, capable of exerting marked photochemical effect.

 

 

 

 

 

 

 

 

 

Courtesy: The cambridge Aerospace Dictionary

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Aerospace Dictionary

Acreage – Aerospace Dictionary

acreage – Superficial area of flight vehicle, especially spacecraft or aerospace craft, as distinct from nose and other parts that need ablative or other special protection.

 

 

 

 

 

 

 

 

Courtesy: The cambridge Aerospace Dictionary

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Aerospace Dictionary

Acquisition round – Aerospace Dictionary

acquisition round –  AAM (1) without propulsion, and usually without wings or fins, carried to provide practice in homing head lock-on.

 

 

 

 

 

 

 

 

Courtesy: The cambridge Aerospace Dictionary

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Aerospace Dictionary

Acquisition – Aerospace Dictionary

acquisition – 1 Act of visually identifying, and remembering location of, object of interest (specific ground or aerial target).
2 Detection of target by radar or other sensor (plus, usually, automatic lock-on and subsequent tracking).
3 Detection and identification of desired radio signal or other broadcast emission.
4 Act of reaching desired flight parameter, such asheading, FL or IAS, or desired point or axis in space such as ILS G/S or LOC (see capture).

 

 

 

 

Courtesy: The cambridge Aerospace Dictionary

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Aerospace Dictionary

Acoustic tuning – Aerospace Dictionary –

acoustic tuning –  Fine adjustment of shape to achieve desired aerodynamics, esp. in separation of stores

 

 

 

 

 

 

 

 

 

Courtesy: The cambridge Aerospace Dictionary

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Aerospace Dictionary

Acoustic Tube – Aerospace Dictionary

Acoustic Tube – Miniature acoustic/electric transducer which has replaced carbon or other types of microphone in aircrew headsets.

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Aerospace Dictionary

acoustic splitter

acoustic splitter – Streamlined wall introduced into flow of air or gas, parallel to streamlines, for acoustic purposes. Usually inserted tonoise-absorbent, for which purpose both sides are noise-absorbent. Many are radial panels and concentric long-chord rings (open-ended cylinders).

 

 

 

 

 

 

Courtesy : The Cambridge  Aerospace dictionary

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Aerospace Dictionary

acoustic delay line

acoustic delay line – In computer or other EDP device, subsystem for imparting known time delay to pulse of energy; typically closed circuit filled with mercury in which acoustic signals circulate (obs.) .

 

 

 

 

 

 

Courtesy : The Cambridge  Aerospace dictionary