GOST 31420-2010 Noise of machines Reciprocating internal combustion engine driven alternating current generating sets Measurement of airborne noise by the enveloping surface method.pdf

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1、 (ISO 8528-10:1998, MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)314202010(ISO 8528-10:1998), - 1.092 . 1.22009 . -, . , -, , 1 - ( ) - , 42 3 , (- 38 25 2010 .) : ( 3166) 00497 ( 3166) 00497 AMBYGEKZKGMDRUTJUZ -4 ISO 8528-10:1998 Reciprocating internal combustion

2、 engine driven alternating current generating sets Measurement of airborne noise by the enveloping surface method ( - . 10. - ) , , , . - 1.52001 ( 3.5). ISO/TC 70 Internal combustion engines. (en). , - , , , . (MOD). . B5 24 2012 . 78- 314202010 (ISO 8528-10:1998) 1 2012 .II 314202010 ( ) - ., . ,

3、2012 -, III 3142020101 .12 13 , 24 .25 .36 .37 38 , .39 .710 711 .812 .1013 .1014 .1015 .11 () .12 () , 13 () - 8528-10:1998 .1416IV 314202010 Noise of machines. Reciprocating internal combustion engine driven alternating current generating sets.Measurement of airborne noise by the enveloping surfac

4、e method1 ( ) , - , -.- , . , - . (, -, . .) .2 : 1716882 . 171872010 . 1. 3045797 ( 9614-193) . . . 307202001 ( 1120395) . 312522004 ( 3740:2000) . 312752002 ( 374494) . . 312772002 ( 374695) . . - 1 314202010(ISO 8528-10:1998) 20121101 - - , 1 , , . (), - () . , , , , .3 , 31252 ( )., , , - 1. 1 ,

5、 i , K1A K2A Lp - LpA LpAi i- Lpi i- LWA - LWoct LW1/3oct n S 2S0 2c68Lp ( ) - c68LWA - , (. 8.4)cos c106 4 4.1 , , - , . , - .4.2 , , . .2 3142020105 5.1 1- , 1- 2- 17187 17168. .5.2 - c177 0,3 .6 , -, , , , , , () . , , ., , .7 7.1 . , , 7.2 7.3 . c177 10 %. 320 . , , , .7.2 , 75 % - . , - cos c106.7.3 , . , 7.2 7.3, 1 2.7.4 - . . .8 , 8.1 1 2.3 3142020108.2 . ,.-, , -. , , . , d (. 14).8.3 d 1 . , - , 0,5 . - 31275 31277.8.4 . - l1, l2 l3- 14. -.1 2, 3 4 31275 31277.2 , 14 - , . , (-) , - (1, 2, 3, 4 9 1), , ,

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