1、cs 13.220.20 p 6 ode r des gn of nitrogen ( G-i 00 fire-2009- 7-i 3:tf 84 481 0 9 ngu sh ng terns 2009 07-30liW: DB43!T -2009 . .,. . . . . rr 5 . . m 2 3 4 . ., . . . . . 3 5 . . . . . . 8 B ( c ( flf;f* F ( flf;f* G ( ilft*H ( fiH*I IG-100 . 13 ) IG-100 . 14 !tclior-) 4:, IG-100 . 15 . . . . 16 .
2、17 ) . 8 19 . . 20 -2009 F G I Clo 0 D843fT 481-2009 ( IG-100) 2008 63 lli ( 1 (Ie-100) ( 0.8 - 3.0 ) 1lPa !Jf rl!ffl)! )C1LMJ:/Nfffr ft&;zfl:a en 1527 e Brr 8163 4fltr :ill JIT: ;f: Ht7Gg.Ift1fXJ Ef enrr 14976 fii:ti=llli:illHJ/G1RJXiH1XJIT en 16912-1997 n.&;ff:l_:k f*:t(:t;t;f;:J;JTlif eB 20128-20
3、06 en 50016 :tfU)(J;!itZ en 50045 136fflmwHrliJ;)(J;_mtr1 en 50116-1998 ;)(j(=li9Jt*mif(j(*m!illiT.Jrt1 en 50316-2000 en 50370-2oo5 f*(-*if:-jt ISO 6183 BS 5306 NFPA 2001: 3.1 #i .1 3. DB43ff 481-2009 00 481-2009 rm 9; IG-i 00 for technical IG-i 3.1.12 li ( ), -*iiEs Itkj(:;fQfij:i:kj(:, , ll:iJtcq_
4、R,rf;J:fR8 3%, !lit)liJ-t: A (2) Kh-7fr=ltH, 1-PI322J&; “-+1-r:J,WJ;fR, 1f!.fft:t.Tf-1T* (nl); A-!?iHr lK 8 !rf illf , TJJfWf ( t-6 ;J:t =r as 7f r:l ) !IS ,t;, llif;fR , 1Ji 1ft :t.r f-1T * ( m 2 ) ; 1 fll 30-j;J;J!J(Jflj 4.3.2 3 IG-100 J(;k Ll 0 4.3.3 fiJ:i:;kjJ- : 71ir 1-l T1 -z:;/J-.Mo 14 4.3.8
5、I.l5 I.l6 L17 481-2009 2 481-2009 p ( 8) 22 2 v p p 0 = + . ( 1) S, + 0 . ( L2) /L-_ . (!.3) 2 ( 15 ) + = 0 . ( !.4) u=-A2 1 _1_ -C pk +-+ =0 u ( 8) C= L 2 + I k c k k+l k+l k 1 k+lpk = k -k , ( lVIPa ); A= 0.1 ( 48 -2009 + A f =0 JJ + k k+l . ( I.5 ) ); ) ; ), ( ); . ( I.6) ( ) . ( K=0.39mm ); 23 481-2009 K rf:! k = , Cv = R = 1 -! = .4 ( I.6) ) = 0.1 k 0.25 k=L4 !_A 2 ( L7) 24 0843/T 481-2009 25
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