1、 ISO 17624:2004Acoustics Guidelines for noise control in offices and workroomsby means of acoustical screens(MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)312872005( 17624:2004)92004/120, - 1.092 . - 1.297 . , . , , -, 1 - - , - 42 3 , (- 28 9 2005 .) : ( 3166) 004
2、97 ( 3166) 00497 AZAMBYKZKGMDRUTJUZ -C - 4 17624:2004 . - (ISO 17624:2004 Acoustics Guidelines for noise control in offices andworkrooms by means of acoustical screens) , - . - 1.52001 ( 3.6)5 20 2006 . 138- 312872005 ( 17624:2004) 1 2007 .6 ()-., . , 2006 -, II 312872005 1.52001 , . - . 17624:2004
3、, , , :- 3.6 140-3;- 8.1 8.2 -: 354:1985, 717-1:1996, 9053:1991, 10534-1:1996, 10534-2:1998, 11654:1997. ;- 3.7 , , c - 1;- 5.5 ;- 8.1 ;- 8.3 - 30690;- 1.52001 717-2, 1182, 10053, 11690-1:1996, 11690-2:1996, /T 11925-1, 11925-2, O 11925-3, 14163:1998, 15667, 61672-1, 18041, VDI 2559, E 1023-1, E 102
4、3-2, E 1023-3;- 3.7; 5.1, 5.3 ), c) d); 5.4; 1; 6.1; 6.2 (); 8.2 8.3 ;- -. .III 312872005 Noise.Guidelinesfornoisecontrolinworkroomsbymeansofacousticalscreens1 :a) , , ( );b) ;) ;d) ,10%. , /.,- , ,10%,. , -0,2,-.2 : 306902000 .( 11821:1997 . ,NEQ) -,- 1 , , . (), -().,.3 :3.1 () (acoustical) screen
5、: ()().1 312872005( 17624:2004) 200701013.2 () portable or removable (acoustical)screen: () , .3.3 DP,insertion sound pressure leveldifference (in-situ sound attenuation): .3.4 DpA, A-weighted insertion sound pressure leveldifference,A-weighted (in-situ) sound attenuation: .3.5 Di,(insertion loss):
6、() . , () . , .3.6 R,soundreductionindex(transmissionloss): ,- , , , .3.7 Dz,(free-field screen attenuation): - ( - ) - , Dz=10lg 340c43c230c232c231c246c248c247zc108,(1)z , ;c108 c f ,.1 Dz,r, , , , - Dz,r= 101g 120c43c230c232c231c246c248c247zc108.(2) Dz, r35Dz.2 , (, , ), 1.,-,/.4 :A , 2(5.3);c97 (
7、);B , ;h , ;H , ;lS , - , ;rr , (5.3);S (), (. 1);T , (5.3).2 3128720055 5.1 10(.1):- ;- (-);- . , - () , , . , 10 , .5.2 , , - Di. Di-, :- , ;- ;- .5.3 - , Dz, r, (2). Dz, r, :- ;- ;- . . , rr,. - . .3 3128720051 ; 2 ; 3 ; 4 ; 5 ;6 ;7 ;8 ; 9 ; 10 1 rr :) , , rAVTrc61c61160057c112, , (3) V ,3;, .4;b) rr= lS/3, (4) lS=4V/S , (V , - , 3; S , 2). lS=10;c) ( H ) rr=3H/2, (5) H .4;d) ( BH ) - , , rr=3B/2, (6) .4.5.4 , (), . - . , :- , ;- . . . . -.5.5
