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November 9, 2004, 01:19
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Fan noise (Blade-passage Frequency)
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Guest
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Hi:
I have a fan noise problem. What does the blade-passage frequency (BPF) mean? Could I get some reference materials (Books or papers)?? Thanks a lot. |
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November 9, 2004, 04:39
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Re: Fan noise (Blade-passage Frequency)
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#2 |
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Guest
Posts: n/a
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BPF means the frequency at which would see the blades of a rotor pass if you look at it but are not moving with the rotor (for instance observing from an adjacent stator).
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