Active Noise Control of a Two-Fan Exhaust-Mounted Array Using Near-Field Control Sources and Error Sensors
Multiple fans are sometimes used in an array configuration to cool various types of electronic equipment. In addition to adding another noise source, using two fans with closely spaced blade passage frequencies (BPF) can create an annoying beat frequency. A two fan array with each fan having a diffe...
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Format: | Others |
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BYU ScholarsArchive
2010
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Online Access: | https://scholarsarchive.byu.edu/etd/2427 https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=3426&context=etd |