KS I ISO 9611-2007 Acoustics-Characterization of sources of structure-borne sound with respect to sound radiation from connected structures- Measurement of velocity at the contact 声学.pdf
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1、 KS I ISO 9611KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS I ISO 9611: 2007(2012 ) 2007 7 6 http:/www.kats.go.krKS I ISO 9611: 2007 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2007 7 6 :2012 12 29 2012-0837 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS I ISO 9611: 2007 i 1996 1 ISO 9611, A
2、coustics Characterization of sources of structure-borne sound with respect to sound radiation from connected structures Measurement of velocity at the contact points of machinery when resiliently mounted . KS I ISO 9611: 2007 (2012 ) Acoustics Characterization of sources of structure-borne sound wit
3、h respect to sound radiation from connected structuresMeasurement of velocity at the contact points of machinery when resiliently mounted 1 1.1 1/3 ( , ) . . . 1 H . A E . . . , . . a) b) c) 1.2 f1 f2 . f1 . KS I ISO 9611: 2007 2 . A f1 . f2 . B f2 . 2 , 20 40 Hz f1 . 3 1 4 kHz f2 . 1.3 . 1.4 6 ( ).
4、 , , ( F ). 1.5 . . , f1 f2( A B ) . 2 . . ( ) . ISO 5348: 1998, Mechanical vibration and shock Mechanical mounting of accelerometers IEC 60651, Sound level meters Electromagnetic and electrostatic compatibility and test procedures IEC 60804 Ed. 2.0 b: 2000, Integrating-averaging sound level meters
5、IEC 61260 Ed. 1.0 b: 1995, Electroacoustics Octave-band and fractional-octave-band filters 3 , . 3.1 KS I ISO 9611: 2007 3 3.2 ( 2 ) 3.3 3.4 3.5 , Lv 202lg10vvLV= dB (1) v : r.m.s., , . v0: (510 8m/s)1) . 3.6 , L 202lg10L= dB (2) : r.m.s., 0: (510 8s 1)1) . 3.7 , r . 4 (ISO 3534 1 KS A ISO 5725 1) 3
6、.8 1) 10 9m/s 10 9s 1 510 8m/s 510 8s 1 34 dB / . KS I ISO 9611: 2007 4 / (ISO 3534 1 KS A ISO 5725 1). 3.9 . 5 (ISO 3534 1 KS A ISO 5725 1) 3.10 / . 4 1/3 1/3 ( , )( 1 ). 5 5.1 (5.2 ). 5.3 . , , , 1 . 10 dB . , . D . 6 , (: 10 kW ) , . f1 . 5.2 . f1 (7. A ). f1 . . 7 , . . G . KS I ISO 9611: 2007 5
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- KSIISO96112007ACOUSTICSCHARACTERIZATIONOFSOURCESOFSTRUCTUREBORNESOUNDWITHRESPECTTOSOUNDRADIATIONFROMCONNECTEDSTRUCTURESMEASUREMENTOFVELOCITYATTHECONTACT

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