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Aspects of the law relating to noise from power plant equipment
Acoustically induced vibration by B L Clarkson B Sc Ph D
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acoustic amplitude analysis atomization attenuation basic blower noise broad peak burner c/s Fig capacity engine chimney combustion components compressor core criterion cylinder capacity delivery pressure density diesel engine duct effect engine structure English Electric excitation force frequency range Hams Hall harmonics hearing high frequency increase inlet installation Institute of Sound large number leakage level of noise litre/cyl capacity machine magnetostriction measured mechanical mineral wool modes of vibration motor natural frequency Newcastle upon Tyne no-load noise level noise measurements noise produced nuisance number of lobes obtained octave band one-third octave operating output paper peak piston slap plant power station predominant Priede quency reduction resonance rev/min rotation rotor shown in Fig Sound and Vibration sound power level sound pressure level source of noise spectra spectrum splitters spray tests tion tip speed turbine turbo-alternator turbocharged unbalance University of Southampton velocity wave