Use of non-uniform nozzle vane spacing to reduce acoustic signature
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United States of America Patent
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Oct 2, 2012
Grant Date -
Dec 23, 2010
app pub date -
Jun 17, 2009
filing date -
Jun 17, 2009
priority date (Note) -
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Abstract
A stator for a turbomachine. The stator includes a plurality of nozzle vanes, with the distance between each of the plurality of nozzle vanes varying circumferentially around the stator in a repeating pattern configured to distribute a vibration energy over a plurality of side band vibration frequencies around a nominal passing frequency in a rotor.
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