1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS V ISO 14509 3 3： KS V ISO 14509 3:2013 2013 05 15 http:/www.kats.go.krKS V ISO 14509 3:2013 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) ： ：2013 05 15 2013-0175 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS V ISO 14509 3:2013 i ii 1 1 2 1
2、3 .1 4 2 5 .2 6 .3 A( ) 4 B( ) .5 C( ) .10 KS V ISO 14509 3:2013 ii 2009 1 ISO 14509 3, Small craft Airborne sound emitted by powered recreational craft Part 3： Sound assessment using calculation and measurement procedures , . KS V ISO 14509 3:2013 3： Small craft Airborne sound emitted by powered re
3、creational craftPart 3： Sound assessment using calculation and measurement procedures 1 (Froude) 1.1 24 m . (PWC) . A- . 2 . . ( ) . KS C IEC 60942, KS C IEC 61672 1, ( ) 1： KS V ISO 8665, KS V ISO 8666, KS V ISO 10087, KS V ISO 14509 1, 1： 3 KS V ISO 8666 . 3.1 (recreational craft) KS V ISO 14509 3
4、:2013 2 3.2 A- (maximum A-frequency weighted sound pressure level for recreational craft) A- LpAmaxKS C IEC 61672 1 A- (dB) . 3.3 (Froude number) Fn )WlmaxL(gFn=(1) vmax ： (m/s) g ： g 9.8 m/s2LWl ： , (m) EU 2003/44/EC . 4 . LH , KS V ISO 8666 , (m) . LpAmax A- , (dB) . LpASmax A- , S- , KS V ISO 145
5、09 1 , (dB) . LpHFA- , (A.1) , (dB) . LpOB AS- , (B.1) , (dB) . T25 (B.3) 25 m (propagation attenuation) , (dB) . 5 (hull-form) A . B . LpAmax LpHF (propagation-corrected) LpOB , . += 1025OB10HFmaxA1010lg10TpLpLpL (2) KS V ISO 14509 3:2013 3 LpASmax 2 dB , KS V ISO 14509 1 KS V ISO 14509 1 (uncertai
6、nties) . 6 . a) b) c) , d) e) (A.1) LpHFf) B.2 A- (B.1) LpOB g) 5. LpAmaxh) KS V ISO 10087 ( ) i) , KS V ISO 14509 3:2013 4 A ( ) LpHF (A.1) (A.2) . 25 m . 7.28m1lg5sm/1lg30HHF+=LLp (A.1) ： (m/s) () ()20lg5lg30HknHF+= LLp (A.2) kn： (kn) KS V ISO 14509 3:2013 5 B ( ) B.1 B.1.1 (low-pass) (windshield)
7、 KS C IEC 61672 1 2 (class) . KS C IEC 60942 1 (sound calibrator) . (overall acoustic) 7 (nominal) , , . 1 . B.1.2 7 (microphone) B.1 . ： m a) ( ) B.1 KS V ISO 14509 3:2013 6 ： m b) 4 ( ) ： m c) ( ) 17 a c b d (swim) B.1 ( ) B.1 . (omnidirectional directivity) , . KS V ISO 14509 3:2013 7 B.1.3 , , (
8、precipitation) . , . B.1.3.1 1 1 , 2 . 1 75 kg20 kg . B.1.3.2 . ( , , ) . B.1.3.3 (full throttle) . 70 km/h(37.8 kn) , 70 km/h2 km/h(37.8 kn1.08 kn) . B.1.3.4 , 2 , . B.1.3.5 0 (heel) . B.1.3.6 KS V ISO 8665 , 4 % . . (governed) . 70 km/h , , . B.2 500 Hz 3 ( 562 Hz ) A- B.1 7 10 . , (exhaust sound)
9、 (dominated) . , B.2 B.3 (unacceptable) . B.2 B.3 (frequency analysis) . KS V ISO 14509 3:2013 8 f (Hz) Lp (dB) B.2 f (Hz) Lp (dB) B.3 (no clear harmonics) KS V ISO 14509 3:2013 9 7 . LpOB 7 (logarithmic) , . +=710.1010lg10107eqA102eqA101eqAOB,pL,pL,pLpL (B.1) LpAeq,1： 1 10 500 Hz , A- LpAeq,2 ： 2 1
10、0 500 Hz, 3 , A- LpAeq,7： 7 10 500 Hz, 3 , A- . B.3 (B.1) LpOB 25 m , T25 (correction) . (underwater) ： T25 16 dB (B.2) (above-water) ： T25 22 dB (B.3) ( , ) . . KS V ISO 14509 3:2013 10 C ( ) . KS V ISO 14509 3 KS V ISO 14509 3, 3： . . . . . ： mm m/s . . . ： . . (IB, SD, , ) . . KS V ISO 8665 (SI,
11、CI) . ： kW min 1 min 1 . KS V ISO 10087 (CIN) . m/s kn ( / ) KS V ISO 14509 3:2013 11 No. LpAeqdB 1 2 3 4 5 6 7 (B.2) LpOBdB (A.1) LpHF. dB (B.3) , T25dB A- LpAmax . dB ( ) . 3： 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS V ISO 14509 3:2013 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Small craftAirborne sound emitted by powered recreational craftPart 3： Sound assessment using calculation and measurement procedures ICS 17.140.30 ; 47.080
