Vane
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Vane
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1. A thin and more-or-less flat object intended to align itself with a
stream or flow
in a manner similar to that of the common weathercock, as: (a) a device that
project ahead of an aircraft to sense gusts or other actions of the air so as
to create impulses or signals that are transmitted to the control system to
stabilize the aircraft; (b) a fixed or movable surface used to control or give
stability to a rocket. See control
vane.
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2. A blade or paddle-like object, often fashioned like an airfoil and
usually one of several, that rotates about an axis, either being moved by a
flow or creating a flow itself, such as the blade of a turbine, of a
fan, of a rotary pump or air compressor, etc. See impeller
vane.
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3. Any of certain stationary blades, plates, or the like that serve to
guide or direct a flow, or to create a special kind of flow, as: (a) any of
the blades in the nozzle ring
of a gas-turbine engine; (b) any of the plates or slatlike objects that guide
the flow in a wind tunnel; (c) a plate or fence projecting from a wing to
prevent spanwise flow. See contravane.
See airfoil,
note. [[/a>|/a>
]]
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
