1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO TR 11688 1 1: KS B ISO TR 11688 1: 2008 2008 05 01 http:/www.kats.go.krKS B ISO TR 11688 1:2008 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2008 05 01 2008-0209 : : ( 02-509-7290) (http:/www.kats.go.kr). 10 5 , . KS B ISO TR 11688 1:2008 i ii
2、iii 1 1 2 1 3 .2 4 .3 5 .5 5.1 .5 5.2 6 5.3 10 5.4 .15 5.5 .19 6 20 6.1 .20 6.2 20 6.3 20 6.4 21 7 .21 A .23 B 27 B.1 27 B.2 27 C 30 32 KS B ISO TR 11688 1:2008 ii ISO( ) (ISO ) . ISO . . , . ISO (IEC) . ISO . . 1: , 2: 3: ( “ ”) 1 2 3 , . 3 . 3 ISO/TR 11688 1 ISO/TC 43, , SC 1, . ISO 11688 “ ” . 1:
3、 ( ) 2: KS B ISO TR 11688 1:2008 iii 1995 1 ISO/TR 11688 1, Acoustics Recommended practice for the design of low-noise machinery and equipment Part 1: Planning , . . ISO/TC 43/SC 1 . . . . . . . KS B ISO TR 11688 1:2008 1: Acoustics Recommended practice for the design of low-noise machinery and equi
4、pment Part 1: Planning 1 . . (4. ). . . , . . 2 . . ( ) . KS A ISO 3744: 2002, KS A ISO 3746: 2002, KS A ISO 4871: 2003, KS A ISO 9611: 2007, KS A ISO 9614 1: 2004, 1: KS A ISO 9614 2: 2004, 2: KS A ISO 11200: 2004, KS B ISO 11689: 2008, KS B ISO TR 11688 1:2008 2 3 . 3.1 , , 3.2 . , , . “ ” . 3.3 .
5、 . . 3.4 . . . 3.5 3.6 . . 3.7 . . 3.8 . . 3.9 - 3.10 KS B ISO TR 11688 1:2008 3 3.11 - 1 , 4 1. , , 2. 3. , ( ) 4. , , , , FEM ( , , ) KS B ISO TR 11688 1:2008 4 . . 4 ( .) ( 1 ). . . 1. : , , , ( B ). 2. : . , . 3. : , . 4. : . . . 4 . . , (5.2 ). , (5.3 ). (5.4 ). . . ( 2). . . KS B ISO TR 11688
6、1:2008 5 2 3 . . . , . . , , . , , , . . 5 5.1 , . . , . , , , , , . , . . , 4. . , . , . KS B ISO TR 11688 1:2008 6 (Source) (Cavitation) (Airborne) (Radiation from surface) (Turbulence) (Structure-borne) (Pulsation) (Tooth-meshing) (Shock) (Friction) (Transmission) (Inertia) (Excitation of structu
7、re) (Rolling) (Free field) (Velocity transmission) (Liquid-borne) (Force transmission) 3 5.2 5.2.1 ( 2 ). , . , , , , . . , , . . , , . , . . , . KS B ISO TR 11688 1:2008 7 . . (driving frequency) . . , . , . . ( , , ) . 5.2.2 . 4 , (hydrostatic power pack) . . (relief valve) (12 mm) (25 mm 12 mm) -
8、 - (reservoir) 4 (hydrostatic power pack) KS B ISO TR 11688 1:2008 8 , , . , ( 5) . , 1 3 . 5 , KS B ISO TR 11688 1:2008 9 1 , A S L A S L 2 , A S L A S L 3 , A S L A S L , . 4 . . KS B ISO TR 11688 1:2008 10 4 : 1 500 rpm, 180 bar LWAdB 1 5 . 90 2 . / . 89 3 . 2 m . 3 dB . 86 4 . , 3 . 86 5 . , . 1
9、 dB . 85 6 . 81 . 9 dB . . . . . . 5.3 5.3.1 ( , ) , . . . , (flute) (woodworking) (cavity) . (channel) , , . . . , . . , KS B ISO TR 11688 1:2008 11 ( ) . . (rods) , , . . . . , ( .) . . . . . . . . . . , , . , . . , . - (pressure-time) . -(quasi-stable) , . . . (trapped fluid) (equalization channels) . ( ) . . , . , (stable shock) . . KS B ISO TR 11688 1:2008 12 . . 5.3.2 , . 5.3.1 . . . . . . , . , . , . . , . , . . . . . . . 1.5 m/s . . . , . 5.3.3 . . . . . KS B ISO TR 11688 1:2008 13 . . . . . . , . , , ( ) . , . ( ). , , , . ( , ). . , . (