1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication Industrial-process control valves Part 8-3: Noise considerations Control valve aerodynamic noise prediction method BS EN 60534-8-3:2011National foreword This British Standard
2、is the UK implementation of EN 60534-8-3:2011. It is identical to IEC 60534-8-3:2010. It supersedes BS EN 60534-8-3:2000 which will be withdrawn on 1 January 2014. The UK participation in its preparation was entrusted by Technical Committee GEL/65, Measurement and control, to Subcommittee GEL/65/2,
3、Elements of systems. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2011 ISBN 978 0 580 67340 5 ICS 17.1
4、40.20; 23.060.40; 25.040.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2011. Amendments issued since publication Amd. No. Date Text affected BRITIS
5、H STANDARD BS EN 60534-8-3:2011 EUROPEAN STANDARD EN 60534-8-3 NORME EUROPENNE EUROPISCHE NORM January 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marni
6、x 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60534-8-3:2011 E ICS 17.140.20; 23.060.40; 25.040.40 Supersedes EN 60534-8-3:2000 English version Industrial-process control valves - Part 8-3: Noise con
7、siderations - Control valve aerodynamic noise prediction method (IEC 60534-8-3:2010) Vannes de rgulation des processus industriels - Partie 8-3: Considrations sur le bruit - Mthode de prdiction du bruit arodynamique des vannes de rgulation (CEI 60534-8-3:2010) Stellventile fr die Prozessregelung - T
8、eil 8-3: Geruschbetrachtungen - Berechnungsverfahren zur Vorhersage der aerodynamischen Gerusche von Stellventilen (IEC 60534-8-3:2010) This European Standard was approved by CENELEC on 2011-01-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the cond
9、itions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in t
10、hree official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechn
11、ical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switz
12、erland and the United Kingdom. BS EN 60534-8-3:2011EN 60534-8-3:2011 - 2 - Foreword The text of document 65B/765/FDIS, future edition 3 of IEC 60534-8-3, prepared by IEC/SC 65B, Devices using laboratory data to determine the acoustical efficiency factor. Attention is drawn to the possibility that so
13、me of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical nat
14、ional standard or by endorsement (dop) 2011-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60534-8-3:2010 was approved by CENELEC as a
15、European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: 1 IEC 60534-2-1 NOTE Harmonized as EN 60534-2-1. 2 IEC 60534-8-1 NOTE Harmonized as EN 60534-8-1. _ BS EN 60534-8-3:2011- 3 - EN 60534-8-3:2011 Ann
16、ex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edit
17、ion of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Y e a r T i t l e E N / H D Y e a rIEC 60534 Series Industrial-process control valves EN 60
18、534 Series IEC 60534-1 - Industrial-process control valves - Part 1: Control valve terminology and general considerations EN 60534-1 - BS EN 60534-8-3:2011 2 6 0 5 3 4 - 8 - 3 I E C : 2 0 1 0 C O N T E N T S I N T R O D U C T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1 S c o p e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2 N o r m a t i ve r e fe r e n c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21、. . . . . . . . . . . . . 7 3 T e r m s a n d d e f i n i t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 S y m b o l s . . . . . . . . . . . .
22、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 V a l v e s w i t h s t a n d a r d t r i m . . . . . . . . . . . . . . . . . . . . . . . .
23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 5 . 1 P r e s s u r e s a n d p r e s s u r e r a t i o s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . . . . 1 2 5 . 2 R e g i me d e fi n i t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 5 . 3 P r e l i m i n a r y c a l c u l a
25、t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 5 . 3 . 1 V a lve s t y le mo d ifie r F d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 5 . 3 . 2 J e t d ia me t e r D j. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 5 . 3 . 3 I n l e t f l u i d
27、d e n s i t y r 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 5 . 4 I n t e r n a l n o i s e c a l c u l a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 5 . 4 . 1 C a l c u l a t i o n s c o mmo n t o a l l r e g i me s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 5 . 4 . 2 R e g i me d e p e n d e
29、 n t c a l c u l a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6 5 . 4 . 3 D o w n s t r e a m c a l c u l a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30、 . . . . . . . . . . . . . . . . . . . . . 1 8 5 . 4 . 4 V a l v e i n t e r n a l s o u n d p r e s s u r e c a l c u l a t i o n a t p i p e w a l l . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9 5 . 5 P i p e t r a n s m i s s i o n l o s s c a l c u l a t i o n . . . . . . . . . . . .
31、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 0 5 . 6 E x t e r n a l s o u n d p r e s s u r e c a l c u l a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32、 . . . . . . 2 1 5 . 7 C a l c u l a t i o n fl o w c h a r t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 6 V a l v e s w i t h s p e c i a l t r i m d e s i g n . . . . .
33、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 6 . 1 G e n e r a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 6 . 2 S i n g l e s t a g e , m u l t i p l e f l o w p a s s a g e t r i m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 6 . 3 S in g le flo
35、w p a t h , mu lt is t a g e p r e s s u r e re d u c tio n tr im ( tw o o r mo r e th r o tt lin g steps) . 23 6 . 4 M u lt ip a t h , mu lt is t a g e t r im ( tw o o r mo r e p a s s a g e s a n d t w o o r mo r e s t a g e s ) . . . . . . . . 2 5 7 V a l v e s w i t h h i g h e r o u t l e t M a
36、 c h n u m b e r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 7 7 . 1 G e n e r a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 7 7 . 2 C a l c u l a t i o n p r o c e d u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38、 2 7 8 V a l v e s w i t h e x p e r i m e n t a l l y d e t e r m i n e d a c o u s t i c a l e f f i c i e n c y f a c t o r s . . . . . . . . . . . . . . . . . . . . . . . . . . 2 8 9 C o mb in a t io n o f n o is e p r o d u ce d b y a c o n tr o l va lve w it h d o w n s t r e a m in s t a lle
39、d t w o o r mo r e fi xe d a r e a s t a g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 9 A n n e x A ( i n f o r m a t i v e ) C a l c u l a t i o n e x a m p l e s
40、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1 B i b l i o g r a p h y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 6 F i g u r e 1 S i n g l e s t a g e , m u l t i p l e f l o w p a s s a g e t r i m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 F i g u r e 2
42、 S i n g l e f l o w p a t h , m u l t i s t a g e p r e s s u r e r e d u c t i o n t r i m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 F i g u r e 3 M u l t i p a t h , m u l t i s t a g e t r i m ( t w o o r m o r e p a s s a g e s a n d t w o o r m o r e s t
43、 a g e s ) . . . . . . . 2 6 F i g u r e 4 C o n t r o l v a l v e w i t h d o w n s t r e a m i n s t a l l e d t w o f i x e d a r e a s t a g e s . . . . . . . . . . . . . . . . . . . . . . . . 3 0 T a b l e 1 N u m e r i c a l c o n s t a n t s N . . . . . . . . . . . . . . . . . . . . . . . . .
44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 T a b l e 2 T y p i c a l v a l u e s o f v a l v e s t y l e m o d i f i e r F d( f u l l s i z e t r i m ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45、1 5 T a b l e 3 O v e r v i e w o f r e g i m e d e p e n d e n t e q u a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 7 BS EN 60534-8-3:20116 0 5 3 4 - 8 - 3 I E C : 2 0 1 0 3 T a b l e 4 T y p i c a l v a l u e s o f A ha
46、 n d S t p. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8 T a b l e 5 I n d e x e d f r e q u e n c y b a n d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 9 T a b l e 6 F r e q u e n c y f a c t o r s G x ( f) a n d G y ( f ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 T a b l e 7 “ A ” w e
48、 i g h t i n g f a c t o r a t f r e q u e n c y f i. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 BS EN 60534-8-3:2011 6 6 0 5 3 4 - 8 - 3 I E C : 2 0 1 0 I N T R O D U C T I O N T h e m e c h a n i c a l s t r e
49、 a m p o w e r a s w e l l a s a c o u s t i c a l e f f i c i e n c y f a c t o r s a r e c a l c u l a t e d f o r v a r i o u s f l o w r e g i m e s . T h e s e a c o u s t i c a l e f f i c i e n c y f a c t o r s g i v e t h e p r o p o r t i o n o f t h e m e c h a n i c a l s t r e a m p o w e r w h i c h i s c o n v e r t e d i n t o i n t e r n a l s o u n d p o w e r . T h i s m e t h o d a l s o p r o v i d e s f o r t h e c a l c u l a t i o n o f t h e i n t e r n a l s o u n d p r e
