nacelle

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Engines in nacelles on a Boeing 707. Components of a horizontal axis wind turbine (gearbox, rotor shaft and brake assembly) being lifted into the nacelle.

The nacelle (pronounced /nəˈsɛl/) is a cover housing (separate from the fuselage) that holds engines, fuel, or equipment on an aircraft or wind turbine. In some cases—most notably the World War II-era P-38 Lightning airplane—an aircraft's cockpit may also be housed in a nacelle. The covering is typically aerodynamically shaped.

In a jet engine the nacelle is composed of the podded engine inlet, fan cowl, thrust reverser, and the exhaust nozzle.^{[citation needed]}

Other uses

• In a wind turbine, the nacelle refers to the structure that houses all of the generating components, gearbox, drive train, etc.^[1]
• In the Star Trek series it is used to describe the parts of a starship containing the warp drive propulsion systems.

References

Look up nacelle in Wiktionary, the free dictionary.

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