ooooooo.docx

of 48
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
Information Report
Category:

Documents

Published:

Views: 4 | Pages: 48

Extension: PDF | Download: 0

Share
Description
Description:
Tags
Transcript
   Appendix B 355 B.2 GAS CONSTANTS AND STANDARD GAS CONDITIONS B.2.1 U NIVERSAL  G AS  C ONSTANTS Metric/SI Units 8.31441 J/(mol-K) 1.98719 cal/(mol-K) 82.0568 cm 3 -atm/(mol-K) 62.3633 L-mm/(mol-K) 0.0820568 L-atm/(mol-K) 8.31441 m 3 -Pa/(mol-K) 8.31441 ×  10 − 5  m 3 -bar/(mol-K) 0.0831441 L-bar/(mol-K) Engineering and Mixed Units 1.98585 Btu/(lb-mol- ° R) 0.730235 atm-ft 3 /(lb-mol- ° R) 0.739911 bar-ft 3 /(lb-mol- ° R) 1545.34 ft-lb f  /(lb-mol- ° R) 10.7315 psi ft 3 /(lb-mol- ° R) B.2.2 S TANDARD  G AS  C ONDITIONS Gas volumes given are for ideal gas only. 1 .  Normal: continental and scientific applications 0 ° C, 1.01325 bar, gas volume =  22.4136 m 3 /kg-mol 32 ° F, 14.696 psia, gas volume =  359.031 ft 3 /lb-mol (Nm 3  based upon these conditions) 2. Standard (scf): U.S. engineering applications 15.5556 ° C, 1.01325 bar, gas volume =  23.6900 m 3 /kg-mol 60 ° F, 14.696 psia, gas volume =  379.49 ft 3 /lb-mol (scf =  standard cubic foot based upon these conditions) 3.   Standard: API 2564, SI 15 ° C, 101.325 kPa, gas volume =  23.6444 m 3 /kg-mol (Sm 3  based upon these conditions) B.3 THERMODYNAMIC AND PHYSICAL PROPERTY DATA B.3.1 T ABLE OF  P HYSICAL  C ONSTANTS OF  P URE  F LUIDS Table B.1  provides some of the most useful physical constants for fluids encoun- tered in natural gas processing. For additional properties the reader should consult GPA Standard 2145-03 (2005). The standard includes a number of notes regarding the data and data sources. © 2006 by Taylor and Francis Group, LLC  TABLE B.1 Physical Properties of Compounds Typically Seen in Gas Processing Component Methane Ethane Propane Isobutane n-Butane Isopentane n-Pentane Molar mass 16.042 30.069 44.096 58.122 58.122 72.149 72.149 Boiling Point, ° F (K) − 258.67 (111.67) − 127.48 (184.55) − 43.72 (231.08) 11.08 (261.53) 31.09 (272.64) 82.11 (300.99) 96.98 (309.25) Freezing Point , ° F (K) − 296.45 (90.68) − 297.04 (90.35) − 305.73 (85.52) − 255.3 (113.54) − 217.05 (134.79) − 255.8 (113.26) − 201.5 (143.43) Vapor Pressure at 100 ° F 5000 (350) a 800 (55) a 188.69 (13.699) 72.484 (5.3012) 51.683 (3.7936) 20.456 (1.5136) 15.558 (1.1556) (313.15K), psia (bar) Density of liquid Relative to water 0.3 a 0.35643 0.50738 0.56295 0.58408 0.6246 0.63113 Density, lb/gal (kg/m 3 ) 2.5 (300) a 2.9716 (358) 4.2301 (507.67) 4.6934 (563.07) 4.8696 (584.14) 5.2074 (624.54) 5.2618 (631.05) Density of ideal gas Relative density, air =  1.0 0.55397 1.0383 1.5227 2.0071 2.0071 2.4914 2.4914 Density lb/1000 ft 3  (kg/m 3 ) 42.274 (0.67848) 79.237 (1.2717) 116.2 (1.8649) 153.16 (2.4581) 153.16 (2.4581) 190.12 (3.0514) 190.12 (3.0514) Volume of liquid gal/lb-mol (cm 3 /mol) 6.417 (53.475) a 10.119 (83.992) 10.424 (86.859) 12.384 (103.22) 11.936 (99.501) 13.855 (115.52) 13.712 (114.33) Critical conditions Temperature, ° F (K) − 116.66 (190.56) 89.924 (305.33) 205.92 (369.77) 274.41 (407.82) 305.546 (425.12) 368.98 (460.36) 385.75 (469.68) Pressure, psia (bar) 667 (45.99) 706.6 (48.72) 615.5 (42.44) 527.9 (36.40) 550.9 (37.98) 490.4 (33.81) 488.8 (33.70) 356  Fundamentals of Natural Gas Processing   © 2006 by Taylor and Francis Group, LLC    Gross heating value, ideal reaction Fuel as liquid Btu/lb, 22181 (51.594) 21490 (49.988) 21080 (49.033) 21136 (49.165) 20891 (48.594) 20923 (48.669) (MJ/kg) Fuel as liquid, Btu/gal 65914 (18471) 90905 (25377) 98935 (27609) 102926 (28719) 108789 (30349) 110094 (30712) (MJ/m 3 ) fuel as ideal gas, Btu/lb 23892 (55.576) 22334 (51.952) 21654 (50.37) 21232 (49.389) 21300 (49.547) 21044 (48.95) 21085 (49.046) (MJ/kg) Fuel as ideal gas Btu/ft 3 1010 (37.707) 1769.7 (66.067) 2516.2 (93.936) 3252 (121.4) 3262.4 (121.79) 4000.9 (149.36) 4008.7 (149.66) (MJ/m 3 ) Btu/gal, fuel as ideal gas 59730 66369 91599 99652 103724 109584 110946 Net heating value, ideal reaction, fuel as ideal gas Btu/ft 3 , (MJ/m 3 ) 909 (33.949) 1619 (60.429) 2315 (86.419) 3000 (112.01) 3011 (112.4) 3699 (138.09) 3707 (138.38) Heat of vaporization at 14.696 psia (1.01325 bar) Btu/lb, kJ/kg 219.8 (511.3) 210.3 (489.2) 183.4 (426.7) 157.2 (365.6) 166.3 (386.9) 147.7 (343.7) 154.4 (359.2) Flammability limits at 100  F, 14.696 psia (313.15K, 1.01325 bar) in air, vol% Lower limit 5 2.9 2 1.8 1.5 1.3 1.4 Upper limit 15 13 9.5 8.5 9 8 8.3 a   hypothetical value because liquid does not exist at stated condition   (continued) Appendix B   357  © 2006 by Taylor and Francis Group, LLC  TABLE B.1 (Continued) Component n-Hexane n-Heptane n-Octane n-Nonane n-Decane Carbon Dioxide Molar mass 86.175 100.202 114.229 128.255 142.282 44.01 Boiling point, ° F (K) 155.72 (341.88) 209.13 (371.56) 258.21 (398.82) 303.4 (423.93) 345.4 (447.26) − 109.12 (194.75) Vapor pressure at 100 ° F 4.961 (37.3) 1.62 (12.336) 0.5366 (4.1403) 0.17 (1.3488) 0.0616 (0.4876) (313.15K), psia (bar) Density of liquid Relative to water 0.66405 (0.66448) 0.68819 (0.6886) 0.70698 (0.70737) 0.72186 (0.72224) 0.73406 (0.73442) 0.82203 (0.82195) Density, lb/gal (kg/m 3 ) 5.5363 (663.89) 5.7375 (687.98) 5.8942 (706.73) 6.0183 (721.59) 6.12 (733.76) 6.8534 (821.22) Density of Ideal Gas Relative density, air =  1.0 2.9758 3.4601 3.9445 4.4289 4.9132 1.5197 Density lb/1,000 ft 3  (kg/m 3 ) 227.09 (3.6446) 264.05 (4.2378) 301.01 (4.831) 337.97 (5.4242) 374.93 (6.0174) 115.97 (1.8613) Volume of liquid gal/lb-mol (cm 3 /mol) 15.566 (129.8) 17.464 (145.65) 19.38 (161.63) 21.311 (177.74) 23.249 (193.91) 6.4216 (53.59) Critical conditions Temperature, ° F (K) 453.83 (507.5) 512.87 (540.3) 564.22 (568.8) 610.8 (594.7) 652.2 (617.7) 87.8 (304.1) Pressure, psia (bar) 436.9 (3012) 396.8 (2736) 360.7 (2487) 330.7 (2280) 304.6 (2100) 1070 (7377) 358  Fundamentals of Natural Gas Processing   © 2006 by Taylor and Francis Group, LLC
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks