1、 ?G?G?G?GKS B ISO 13347 2G?G?G?G ?G?G?G G?G?G ?G?G G?G ?G 3 0 y J 3 0 D h ;C KS B ISO 13347 2: 2005 2005 12 29 B ISO 13347 2: 2005 ( ) ( ) ( ) ( ) : : 2005 12 29 2005 1145 : : ( ) ( 02 509 7287 90) . 7 5 , . B ISO 13347 2: 2005 1 1. 1 2. 1 3. 1 4. 2 5. 2 6. 2 7. 3 8. 3 9. 8 10. 8 A() 10 B() / 11 C()
2、 14 D() 15 16 i ICS 17.140.20; 23.120 KS B ISO 2 : 13347 2: 2005Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 2: Reverberant room method 2004 1 ISO 13347 2 Industrial fans Determination of fan sound power levels under standardized laboratory co
3、nditions Part 2: Reverberant room method . 1. . , . . . KS A ISO 5136 ISO 10302 . 2. . . KS A ISO 3740 KS A ISO 3741 KS A ISO 3743 1 1 : KS A ISO 3743 2 2 : KS A ISO 5136 KS A ISO 7235 , KS B ISO 13347 1 1 : KS B ISO 13349 KS B ISO 13350 ISO 5801 Industrial fans Performance testing using standardize
4、d airways ISO 10302 Acoustics Method for the measurement of airborne noise omitted by small air-moving devices 3. ISO 5801 KS B ISO 13349 . . , . B ISO 13347 2: 2005 . ( ISO 10302 .). . , . , . 4. , . ( 250 V 16 A AC) (3 kW ) , IEC KS C IEC 607042 7: 2002(IEC 60704 2 7 E.d 1.0, IDT) . , 2 % . , KS B
5、 ISO 13350: 2001 9. . , . ISO 5801 . a) A : , b) B : , c) C : , d) D : , 4.1 . . 4.2 4.3 KS A ISO 3740 4.4 1/3 . , 5. KS B ISO 13347 1 . (RSS: Reference Sound Source) , . (RSS) , . 6. (RSS) . KS A ISO 3743 1 KS A ISO 3743 2 . A . , . , . , 2 B ISO 13347 2: 2005 . 7. 7.1 . (KS B ISO 13347 1 D ). 7.2
6、A . B , . 8. 8.1 . . . (KS B ISO 13347 1 ) . . 1 . 2 . 3 D . KS B ISO 13347 1 1 . LW(A, in) : , A LW(A, out) : , A LW(B, in cas) : , B LW(B, out) : , B LW(C, in) : , C LW(C, out cas) : , C LW(C, in cas) : , D LW(D, out) : , D LW(D, cas) : , D 3 B ISO 13347 2: 2005 a) A: , b) B: , c) C: , d) D: , 1 2
7、 3 4 (KS B ISO 13347 1 D ) 5 KS A ISO 7235 a , 1 4 B ISO 13347 2: 2005 a) A: , b) B: , c) C: , d) D: , 1 2 3 4 (KS B ISO 13347 1 D ) 5 KS A ISO 7235 a , 2 5 B ISO 13347 2: 2005 4 (KS B ISO 13347 1 D ) 3 . Lpb Lpqm . ISO 5801 , 1 2 3 8.2 8.2.1 , ( Lpb) . . . 8.2.2 , (Lpqm) . . 8.2.3 , (Lp) . Lpm . 1.
8、 A B 2. KS B ISO 13347 1 . 8.3 . 8.4 . . . , . . . 160 Hz 30 . 200 Hz 15 . KS A ISO 3743 . 8.5 6 B ISO 13347 2: 2005 . . , . , . , . KS A ISO 741 KS A ISO 3743 . . . 8.6 ISO 5801 . (KS B ISO 13347 1 D ) ( 13 ). , 63 Hz 6.0 dB 3.0 dB . ISO 5801 . . 1 3 ISO 5801 . . . . . , . KS A ISO 5136 . . KS A IS
9、O 5136 KS B ISO 13347 1 4 . KS A ISO 7235 D . 2 m2( 1.6 m .) , , . 2 . 8.7 3 m . . 10 , . 4 . 37 B ISO 13347 2: 2005 : mm 1 2 3 4 5 Dmin 0.61010(LWr Lpq)/20m (LWr Lpq) 125 400 Hz . 4 9. 9.1 , . . ISO 5801 . KS B ISO 13347 1 9.5 . 9.2 KS B ISO 13347 1 10. . 10. 8 B ISO 13347 2: 2005 10.1 . . . 1 6 dB
10、 , . . , . . : =1010cbm1010lg10ppLLpL RSS : =1010qbqm1010lg10ppLLpL 15 dB . 10.2 LW (KS B ISO 13347 1 2 6.1 ). LWA B: LW(A, in) LW(B, in cas) Lpc (LWr Lpq) C D: (1) LW(C, in) LW(D, in cas) Lpc (LWr Lpq) Ei (1) KS A ISO 5136 . Ei Eo(KS B ISO 13347 1 C ) . . D . LWA C: LW(A, out) LW(C, out cas) Lpc (LWr Lpq) B D: (1) LW(B, out) LW(D, out) Lpc (LWr Lpq) Eo LWD: , LW(D, cas) Lpc (LWr Lpq) . a) ( ) . . b) . c) . d) . 9 B ISO 13347 2: 2005 10 A() A.1 1/3 . B . A.2 . KS B ISO 13347 1 . 8.7 . KS B ISO 13347 1 . A.3 8 , . A.3.1 RSS , 1 m Dmin( 4 ) . 1 m .
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