Acoustic Nozzles For Inlet Bleed Heat Systems
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United States of America Patent
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Issued Date -
Aug 17, 2017
app pub date -
Apr 28, 2016
filing date -
Feb 16, 2016
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Abstract
The present application provides an acoustic nozzle for an inlet bleed heat system using a flow of compressor discharge air. The acoustic nozzle may include an outer casing with an upstream end and a downstream end, an acoustic attenuation medium within the outer casing, a number of exit apertures positioned in the outer casing about the upstream end thereof, an air pipe in communication with the outer casing, and an air chamber positioned within the outer casing about a downstream end thereof and in communication with the air pipe. The air chamber may include a reduced flow area for the flow of compressor discharge air.
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