Difference between revisions of "Impeller"
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Impeller
</dt>
1. A device that imparts motion to a fluid; specifically, in a centrifugal
compressor, a rotary disk which, faced on one or both sides with radial
vanes, accelerates the incoming fluid outward into a diffuser. Also
called impeller wheel.
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2. That part of a centrifugal compressor comprising this disk and its
housing.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
