GOST R 8 769-2011 State system for ensuring the uniformity of measurements Natural gas Compression factor of gas phase Method of calculation based on gas physical properties《国家测量一致.pdf

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1、 8.7692011( 12213-3:2006) . ISO 12213-3:2006Natural gas Calculation of compression factor Part 3: Calculation using physical properties(MOD) 27 2002 . 184- , 1.02004 . 1 - , () - , 42 180 - 3 13 2011 . 1101-4 12213-3:2006 . . 3. (ISO 12213-3:2006 Natural gas Calculation of compression factor Part 3:

2、 Calculation using physical properties) , 1.52004 (- 4.2 4.3), ( ), - . -, -. - 1.52004 ( 3.5). - 5 , - . () . - , , 2013 , - - II 8.76920111 .12 13 , .23.1 23.2 .24 44.1 44.2 SGERG88 .44.3 .54.4 .54.5 65 7 () , 8 () SGERT88 .11 () 19 D () .20 () .22 F () SGERG.FOR FORTRAN .25 () 3031III 8.7692011 .

3、 State system for ensuring the uniformity of measurements. Natural gas.Compression factor of gas phase. Method of calculation based on gas physical properties 201301011 - , , . - , - . 1.2 : 8.6622009 ( 20765-1:2005) - . . . - AGA8 ( 20765-1:2005 . . 1. , D) 8.6682009 . - () . 8.4172002 . - 31369200

4、8 . , , , ( 6976-1:1995 . , , ,D) - - , 1 , , . (), - () . , , , , .1 8.7692011( 12213-3:2006) 3 , 3.1 8.662, 8.668, 8. 417, 31369, 1.3.2 3.2.1 1. , 1, , . , 1, , . 1 bH0 () B11 - (H) (.20)3c215 1bH1 () B11 (H) (.20)3c215 M-1bH2 () B11 - (H) (.20)3c215 c215 2bbbHHH000012()()()c252c253c239c254c239 BH

5、0 (B.21) 3c215 13c215 1c215 K13c215 1c215 2bbbHHH111012()()()c252c253c239c254c239 BH1 (B.21) 3c215 M13c215 1c215 K13c215 1c215 2bbbHHH222012()()()c252c253c239c254c239 BH2 (B.21) 3c215 c215 23c215 c215 2c215 13c215 c215 2c215 2bbbijijij()()()012c252c253c239c254c239 Bij (B.22) 3c215 13c215 1c215 K13c2

6、15 1c215 2B (1) 3c215 1Bij i j (B.22)3c215 1cH0 () C111 - (H) (B.29)6c215 2cH1 () C111 (H) (B.29)6c215 1c215 M1cH0 () C111 - (H) (B.29)6c215 2cH1 () C111 (H) (B.29)6c215 1c215 M1cH2 () C111 - (H) (B.29)6c215 22 8.7692011 1 cccHHH000012()()()c252c253c239c254c239 H0 (B.30) 6c215 26c215 2c215 16c215 2c

7、215 2cccHHH111012()()()c252c253c239c254c239 H1 (B.30) 6c215 1c215 M16c215 1c215 1c215 K16c215 1c215 1c215 K2cccHHH222012()()()c252c253c239c254c239 H2 (B.30) 6c215 26c215 2c215 K16c215 2c215 K2cccijkijkijk()()()012c252c253c239c254c239 ijk (B.31) 6c215 26c215 2c215 16c215 2c215 2C (1) 6c215 2Cijk (B.3

8、1)6c215 2D d () =1; (B.1) 1DHCH HCH (.10) (.11)M c215 1HS - (0 C, 1013 25 ), 25 C c215 3H ( 25 C) c215 1 (B.5) (B.8) c215 1P *R 3c215 c215 1c215 K1T Kt t = T 273,15; (B.27)CU %Vm (= 1/c114m)3c215 1X 1Y - B12 B13( B.2) ijk (B.32)1Z 1c114 (B.8) (B.42) c215 3c114m (=Vmc451) c215 3* , ( ) (1 = 0,1 ). ,

9、R, , .3 8.76920113.2.2 n (n= 273,15 K, Pn= 0,101325 );CH ; ;CO2 ;H2 ;N2 .3.2.3 (air) (B.1);(D) c114, (.11);1 (B.12) (B.15);2 (B.12) (B.16);3 (B.12) (B.17);4 (B.12) (B.18);5 (B.12) (B.19);(id) ;(u) (B.2.1);(c110) (B.2.2);(w) (B.4).4 4.1 , - - . , , . : , . , , - . (-) - .4.2 SGERG88 GERG88 (SGERG88)

10、( . 8.662). GERG88 GERG88 (MGERG88), - ( . 8.662). Z SGERG88 Z =1+B c114m+ C c114m2, (1) B C : HS, d, (CO2H2) T;c114m c114m= p/(ZRT), (2) Z= f1(p,T,HS,d,xCO2,xH2). (3) SGERG88 , , - , ( - , ), , , . - HCH. Z Z = f2(p, T, HCH, xCH, xN2, xCO2, xH2, xCO). (4)4 8.7692011 - . (xH20,55 + 0,97xCO2 0,45xH2; (B.43)b)