1、 ISO 14163:1998Acoustics Guidelines for noise control by silencers(MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)313282006( 14163:1998)12006/438, - 1.092 . - 1.297 . , . , , -, 1 - - , 42 3 , (- 29 24 2006 .) : ( 3166) 00497 ( 3166) 00497 AZBYKZKGMDRUTJUA - - 4 141
2、63:1998 . (ISO 14163:1998Acoustics Guidelines for noise control bysilencers). ,- , . - 14163:1998 5 28 2006 . 276- 313282006 ( 14163:1998) 1 2007 .6 ( ) - ., . , 2007 -, II 3132820061 .12 13 , .24 .35 , 46 .87 .258 27 () 28 () 1/3- 34 C () 3637III 313282006 , , . - , . - , . 14163:1998. - 7235, 1169
3、1 .- . - . , , .IV 313282006 Noise.Guidelines for noise control by silencers1 - . -, . , - . , , (. ):- -, ();- ;- ;- ;- , . , . - .2 : 312742004 ( 3741:1999) . .(3741:1999.- . - , MOD) 312752002 ( 3744:1994)1) . . ( 3744:1994 . - . , MOD) 313242006 ( 11820:1996) . - ( 11820:1996 . , MOD)1) 5140199
4、 374494).1 313282006( 14163:1998) 20070401 - , 1 , , . (), (-) . , , , , .3 , :3.1 (silenser): , , , .3.2 (dissipative silencer, absorptive silencer): , - - - .3.3 (reactive silencer): , .3.4 (reflective silencer): , ( ) , .3.5 (resonator silencer): , . , .3.6 (blow-off silencer): , , - , (, ).3.7
5、active silencer): , , , - .3.8 (adaptive passive silencer): , .3.9 (insertion loss) Di, : .3.10 (insertion sound pressure level difference)Dip, : .3.11 (transmission loss)Dt,: . Dt Di , Dt Di,- , - -.3.12 (discontinuity attenuation) Ds, : , .3.13 (propagation loss)Da, /: - , , , .3.14 (outlet refle
6、ction loss)Dm, : -, .2 3132820063.15 (modes): ( - ), -. . .3.16 (cut-on frequency), : , .1 fcC=0,59c/C, ; . fcH=0,5c/H.2 - .3.17 (pressure loss) c68pt, a: .3.18 (regenerated sound, flow noise): , .1 , , . - , - , .2 , 14163 - . , , .4 4.1 4.1.1 (, 1/3- ) (, , ). . - - . , , , . , , .4.1.2 . . - . - , - , , .4.1.3 ( ).3 313282006 , (
