Apparatus for producing vibration in turbo-machinery blades
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Aug 30, 2000
filing date -
Sep 3, 1999
priority date (Note) -
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Abstract
A realistic study of high-cycle fatigue in turbo-machinery is dependent on a means of reproducing, in an evacuated test facility, the vibration of turbine blades caused by inhomogeneous flow in the engine. An apparatus and method are described which use magnetic eddy currents to generate such vibration. The apparatus makes use of an array of magnets to produce blade vibration of the magnitude and period characteristic for turbo-machines.
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