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Aerospace Dictionary

Secondary heat-exchanger – Aerospace Dictionary

secondary heat-exchanger –  That which rejects heat to atmosphere from secondary circuit heated by primary heat-exchanger. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary glider – Aerospace Dictionary

secondary glider –  Not defined, but training glider more advanced than primary and with enclosed cockpit. Generally any glider intermediate between primary and Standard Class sailplane. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary front – Aerospace Dictionary

secondary front –  One formed within an air mass. 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary frequency – Aerospace Dictionary

secondary frequency –  Assigned to an aircraft as standby in air/ground. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary flight controls – Aerospace Dictionary

secondary flight controls –  Those used intermittently to change lift or speed but not trajectory; eg flaps, slats, Krügers, airbrakes, droops and, except in DLC, spoilers. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary fan airflow – Aerospace Dictionary

secondary fan airflow –  Airflow through fan which does not pass through engine core. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary explosion – Aerospace Dictionary

secondary explosion –  Explosion at surface target caused by air attack but additional to explosions of air-dropped ordnance. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary

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Aerospace Dictionary

Secondary emission  – Aerospace Dictionary

secondary emission  – Ejection of subatomic particles and/or photons from atoms or particles subjected to primary radiation, eg cosmic rays. 

 

 

 

 

 

 

Courtesy:The Cambridge Aerospace Dictionary