GOST 31297-2005 Noise Engineering method of determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment《噪声 环境声压级.pdf

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1、 ISO 8297:1994Acoustics Determination of sound power levelsof multisource industrial plants for evalution of sound pressure levelsin the environment Engineering method(MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)312972005( 8297:1994)62005/82, - 1.092 . - 1.297 .

2、 . , , -, 1 -c - , 42 3 , (- 28 9 2005 .) : ( 3166) 00497 ( 3166) 00497 AZAMBYKZKGMDRUTJTMUZUA - 4 8297:1994 . . - (ISO 8297:1994 Acoustics Determination of sound power levels of multisource industrialplants for evalution of sound pressure levels in the environment Engineering method). - , , -. - A

3、5 20 2006.140-312972005(8297:1994) 1 2007 .6 ( ) - . - , -. , 2006 -, II 3129720051 .12 13 , .24 .35 .36 47 .48 49 49.1 .49.2 .69.3 .69.4 .69.5 610 711 , -812 9 () 8297:1994 1013III 312972005 Noise. Engineering method of determination of sound power levels of multisource industrial plants for evalua

4、tion of soundpressure levels in the environment1 () ( ), - 16 320 . - , 31295.2. , , , , , , - , ,. , (, , , , ). 31252 (- ). - .2 - : 1716882 . - ( 61260:1995 . , NEQ) 1718781 . (61672-1: 2001 . . 1. , NEQ) 31252 2004 ( 3740:2000) . ( 3740:2000 . . , MOD)31295.12005(9613-1:1993).-. 1. ( 9613-1:1993

5、 . . 1. , MOD)1 312972005( 8297:1994) 2007010131295.22005(9613-2:1996).-. 2. ( 9613-2:1996 . - . 2. , MOD) - , - 1 , , . (), () . , , , , .3 , .3.1 (sound power level): ,-.1 1 (1012). , . LW, - ( ) LWA.2 - .3.2 (sound pressure level) Lp, : , , 20 . , .3.3 (plant area) Sp,2: , .3.4 (measurement area)

6、 Sm,2: , - .3.5 (measurement distance) d,: .3.6 (distance between measurement positions) Dm,:- .3.7 (characteristics height of the plant) H, : .3.8 (equivalent continuous sound pressure level)Leq, ,: , , , T, . Leq T, LTppdteq TtT,lg ,c61c233c235c234c234c249c251c250c250c2421012020 0 , 20 ;t , . 3125

7、2 ( ). , , :d , ;2 312972005h , ;hk k- , . - , ;i ;l , ;Lp () -, ;Lp* () , ;Lpi () i - -, ;n ;N ;S0 , 2;c97 , /;c68Lc97 , ;c68LF(, ),;c68LM , , ;c68LS , , ;c113 ,- 3 , ( );c106 - , . 1.4 ,- d Sp,- 1. 1 dSp/ 1),0,050,10,20,5+ 3,0 3,5c177 2,5+ 2,0 2,5+ 1,5 2,01)95 %- . - ( ) . , - - . , 9.5.4, - , 1.5 9 - . 3 312972005 . 10, , , - , . , , .6 , , :a) , . , o- - ;b) 6 10 , ();c) .- 5 /;d) ;e) 10%. .1 .2

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