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cowling    音标拼音: [k'ɑʊlɪŋ]
n. 飞机引擎罩

飞机引擎罩

cowling
n 1: protective covering consisting of a metal part that covers
the engine; "there are powerful engines under the hoods of
new cars"; "the mechanic removed the cowling in order to
repair the plane's engine" [synonym: {hood}, {bonnet}, {cowl},
{cowling}]

Cowl \Cowl\ (koul), n. [AS. cuhle, cugle, cugele; cf. dial. G.
kogel, gugel, OF. coule, goule; all fr. LL. cuculla,
cucullus, fr. L. cucullus cap, hood; perh. akin to celare to
conceal, cella cell. Cf. {Cucullate}.]
1. A monk's hood; -- usually attached to the gown. The name
was also applied to the hood and garment together.
[1913 Webster]

What differ more, you cry, than crown and cowl?
--Pope.
[1913 Webster]

2. A cowl-shaped cap, commonly turning with the wind, used to
improve the draft of a chimney, ventilating shaft, etc.
[1913 Webster]

3. A wire cap for the smokestack of a locomotive.
[1913 Webster]

4. (aviation) a removable metal covering for an aircraft
engine, providing streamlining to minimize wind
resistance; -- also called {cowling}.
[PJC]

5. a covering for a chimney or other ventilating shaft
functioning to increase the draft.
[PJC]


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  • What is the difference between a nacelle and a cowling?
    The definition of a cowling is specifically a removable cover of the engine the removable cover of a vehicle or aircraft engine So a nacelle refers to the whole covering of an engine that is outside the plane, typically on the wing The cowling would just be the removable part of this cover
  • aircraft design - What are cowl flaps? - Aviation Stack Exchange
    They are flaps or doors on the engine cowling that open up in order to provide increased cooling airflow for the engine They look like this when open They are generally controlled by a handle in the cockpit (some aircraft have electric cowl flaps with an open close switch) The disadvantage is that the open flaps also increase drag So on airplanes equipped with cowl flaps, they are
  • Structure that holds the twin-engine on an aircraft
    A cowling just covers the engine and is usually used when an engine is faired into another structure like the fuselage I'm not sure "engine nacelle structure" is a thing
  • Do turbofan engine cowlings dilate during spool-up?
    In the end, since intuition is a poor tool for discovering the truth, I decided to ask: Do turbofan engine cowlings really dilate due to spooling up, and is it really because of pressure difference? And is it the whole cowling or only the inlet that dilates?
  • Whats the reason behind the 787 and 777s thicker engine nacelle?
    The cowl is normally designed by the airplane manufacturer or a contracted 3rd party, not the engine maker The forward silver part gets quite hot when the cowl anti-ice is on A particular designer elected to use unpainted metal behind the leading edge on that one cowling design Why? You'd have to ask Boeing
  • aerodynamic forces on an engine cowling - Aviation Stack Exchange
    In Mendenhall's book about the Gee Bee racers, he describes that on the Models Z, R-1, and R-2, there was a strong tendency for the engine cowl to get pulled forward and into the prop during races,
  • What is this flange on the engine? - Aviation Stack Exchange
    Flying home from the Denver ComiCon, on a 737, I saw an angled flange on the engine Could you describe its purpose? Photos by CGCampbell licensed CC0
  • noise - Why does the Boeing 787 engine nacelle exhaust have such an . . .
    Why does the Boeing 787 nacelle have this unique shape at the exhaust: I haven't seen it on any other airplanes, does it serve an aerodynamic purpose or help engine efficiency or is it just to look
  • Why did Boeing shrink the bottom of the engine casing instead of the . . .
    why didn't Boeing just shrink the whole casing instead, thus giving a perfect round casing? Short preface: The so-called capture area of the engine's inlet, i e the area as seen from the front, is chosen to supply the engine with the needed airflow mass at all flying conditions The airflow mass is a known number from the engine manufacturer and the capture area is simply proportional to it
  • What is the tapered cone on the B747 CF6 engine inlet cowling?
    B747 and B767s are supposed to be using exact same GE CF6 engine, and as such their components are interchangeable including inlet cowl as they show to be effective in the IPC However some of the





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