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is the covering of a vehicle's engine
An engine or motor is a machine designed to convert energy into useful mechanical motion. Heat engines, including internal combustion engines and external combustion engines burn a fuel to create heat which is then used to create motion...
, most often found on automobiles and aircraft.
A cowling may be used:
- for drag reduction
- for engine cooling by directing airflow
- as an air intake for jet engines
- for decorative purposes
See NACA cowling
The NACA cowling is a type of aerodynamic fairing used to streamline radial engines for use on airplanes and developed by the National Advisory Committee for Aeronautics in 1927...
, and Townend ring
A Townend Ring is a narrow-chord cowling ring fitted around the cylinders of an aircraft radial engine to reduce drag and improve cooling.-Development:...
for examples in aviation.
The word cowling
is derived from cowl
This article is about the garment used by monks and nuns. For other uses, see Cowl or Cowling .The cowl is an item of clothing consisting of a long, hooded garment with wide sleeves. Originally it may have referred simply to the hooded portion of a cloak...
, a garment worn by monks.
- Cowl (disambiguation)
A cowl may refer to:* Cowl, a garment worn by monks* Cowl , a device fitted to a chimney pot to prevent wind blowing the smoke back down into the room beneath* Cowl , the revolving device found on oasts, maltings, and breweries...
- Aircraft fairing
- Motorcycle fairing
A motorcycle fairing is a shell placed over the frame of some motorcycles, especially racing motorcycles and sport bikes, with the primary purpose to reduce air drag. The secondary functions are the protection of the rider from airborne hazards and wind-induced hypothermia and of the engine...
- Hood scoop
A bonnet/hood scoop is an upraised component on the hood of an automobile that either allows a flow of air to directly enter the engine compartment, or appears to do so. It has only one opening and is closed on all other sides...
The nacelle is a cover housing that holds engines, fuel, or equipment on an aircraft. In some cases—for instance in the typical "Farman" type "pusher" aircraft, or the World War II-era P-38 Lightning—an aircraft's cockpit may also be housed in a nacelle, which essentially fills the...
- Wind lens
A Wind lens is a modification made to a wind turbine to make it a more efficient way to capture wind energy. The modification is a ring structure called a brim or wind lens which surrounds the blades, diverting air away from the exhaust outflow behind the blades...