1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 207651 1： KS I ISO 207651 :2010 2010 4 6 http:/www.kats.go.krKS I ISO 207651:2010 : ( ) ( ) ( ) ( ) : (ISO/TC193) () ( ) () () : (http:/www.standard.go.kr) ： ：2010 4 6 2010-0094 ： ： (ISO/TC193) ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I I
2、SO 207651:2010 i . ii 1 1 2 1 3 .1 4 .2 4.1 .2 4.2 3 4.3 5 5 8 5.1 .8 5.2 9 5.3 .9 6 10 6.1 10 6.2 10 7 10 7.1 .11 7.2 .14 8 .14 A() .15 B() 18 B.1 18 B.2 .18 C() 21 C.1 .21 C.2 21 D() 22 D.1 22 D.2 .23 E() 27 F() .29 G() .32 39 KS I ISO 207651:2010 ii 2005 1 ISO 207651, Natural gasCalculation of th
3、ermodynamic propertiesPart 1：Gas phase properties for transmission and distribution applications . , . 4 3 . ISO(International Organization for Standardization) (ISO ) . ISO . . ISO . ISO IEC(International Electrotechnical Commission) . ISO/IEC Directives 2 . . . 75 % . . ISO . KS I ISO 20765 ISO/TC
4、 193, , SC 1, . ISO 20765 . 1： . 2： (, ) 3：2 (-) KS I ISO 207651:2010 1： Natural gasCalculation of thermodynamic properties Part 1：Gas phase properties for transmission and distribution applications 1 . p T . ( ) , 0.1 %(95 % ). ( , , - , ) . 2 . . ( ) . KS A ISO 314, 4： KS A ISO 800004, 4： KS I ISO
5、 7504, KS I ISO 122132, 2： KS I ISO 14532, 3 KS A ISO 314, KS I ISO 7504 KS I ISO 14532 . A . 3.1 , , , , , - , , . KS I ISO 207651:2010 2 3.2 , (1) , (2) , . 3.3 () , 3.4 3.5 . 4 4.1 . . , , . , . 0.000 05 . , , C 7 C 8 . C 5 . , C 9 C 10, , . . , 21 (6.2 ). 21 . KS I ISO 207651:2010 3 4.2 4.2.1 AG
6、A8 1 (Transmission Measurements Committee of the American Gas Association) 1992 . , KS I ISO 122132 . . AGA8 . a) . , . 2 . b) , . 3, 4 . . . . , . . 4.2.2 f (1) f o f r . f ( , T, X)f o ( , T, X)f r ( , T, X) (1) f / (RT) (2) . ( , , X) o ( , , X) r ( , , X) (2) X ： ：(3) T () L(T) (3) L1 K KS I ISO
7、 207651:2010 4 (1) (2) p . , . ( ) (4) . K 3 (4) K . o (4.2.3 ) , ris AGA8 (4.2.4 ) . 4.2.3 (5) h o s o . f o ( , T, X)h o (T, X)RTTs o ( , T, X) (5) h o s o T T (6) (7) c o,p . o, p o, o d ) , ( h T c X T h (6) N i i i x x R s T T R R T T c X T s 1 o, p o, o In In In d ) , , ( (7) 0 0 T 298.15 K p
8、0.101 325 MPa . h o, s o, . ( ) / (R T ) . o =f o /(RT) (8) , X (6) (7) . N i i i x x R s R c L R h R c X 1 o, p o, o, 2 p o, o In In In d 1 d ) , , ( (8) B . 4.2.4 AGA8 . , AGA8 (9) . 58 13 18 13 3 ) exp( ) ( 1 n k n k n n n b u n u n n n n n n n c k c b C C K B z (9) B ：2 (virial) b n , c n , k n
9、, u n： KS I ISO 207651:2010 5 C n： Z (10) r . Z1 r, (10) r, X r . (9) (10) Z (11) . 18 13 58 13 3 r ) exp( ) , , ( nn k n b u n u n n n n n c C C K B X (11) C D . 4.2.5 (2) o (8) r (11) . (12) . 18 13 58 13 3 1 o, p o, o, 2 p o, ) exp( . . In In In d 1 d ) , , ( nn k n b u n u n N i i i n n n n c C
10、C K B x x R s R c R h R c X (12)4.3 4.3.1 . , , , (13) . X , X , 2 2 X , X , 2 2 X , X , (13) ( B ) ( C ) . (14) (15) . 2 X , 2 1 2 ) ( (14) X , 2 2 (15) , , , 1 2 C . 4.3.2.1 4.3.2.9(17)(26) . (19) (24), (, ) (, kg ) . MKS I ISO 207651:2010 6 . R R/M . M (16) M i X . N i i i M x M 1 (16) M i 1 2 .
11、KS I ISO 6976 5 . KS I ISO 6976 (international community of metrologists) . AGA8 . 0.001 kg/kmol . (20), (21) (23)(26), h, s, c p , , w . . , . 4.3.2 4.3.2.1 Z (17) . Z (17) , (10) . ( ) D (18) . D/Mp/(ZRT) (18) Z KS I ISO 122132 . KS I ISO 122132 . 4.3.2.2 u (19) . T R M U T R u (19) 4.3.2.3 h (20)
12、 . T R M H T R h KS I ISO 207651:2010 7 (20) Z T R M U Z T R u 4.3.2.4 s (21) . R M S R s (21) T R M U T R u4.3.2.5 c v (22) . 2 v v R M C R c (22) 4.3.2.6 c p (23) . R M C R c p p1 2 2 v 1 2 2 2 R c (23) 1 2 2 v R M C4.3.2.7 - - (24) . M D R R ) ( 1 2 2 2 1 2 1 1 2 p c R (24) KS I ISO 207651:2010 8
13、 1 1 2 p M C R4.3.2.8 (25) . 2 2 2 1Z c R 2 2 v 1 Z M C R 2 2 v 1 (25) v p 1 v p 1 C C Z c c Z 4.3.2.9 w (26) . 2 2 2 1 2 T R M wv p 1 c c Z (26) v p 1 C C 5 5.1 , , . . (3) . 5.2 . p ( ) D (16) M 5.2 , DK 3 /M . 21 . , , , , , n-, -(2-), n-, -(2-), n-, n-, n-, n-, n-, , , , , , . 6.2 . 21 21 ( E ). KS I ISO 207651:2010 9 1 . 1 . . , , C 6+ . . KS I ISO 6976 5
