DB43 T 481-2009 氮气（IG-100）灭火系统设计规范.pdf

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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