Saturation Properties for Hydrogen — Pressure Increments
- Liquid Phase Data
- Vapor Phase Data
- Auxiliary Data
- References
- Additional Information
- Notes
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Liquid Phase Data
Data on Saturation Curve
Temperature (K) | Pressure (atm) | Density (kg/m3) | Volume (m3/kg) | Internal Energy (kJ/mol) | Enthalpy (kJ/mol) | Entropy (J/mol*K) | Cv (J/mol*K) | Cp (J/mol*K) | Sound Spd. (m/s) | Joule-Thomson (F/atm) | Viscosity (uPa*s) | Therm. Cond. (W/m*K) | Surf. Tension (N/m) | Phase |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18.232 | 0.50000 | 73.145 | 0.013672 | -0.042084 | -0.040687 | -2.0346 | 11.119 | 17.510 | 1174.6 | -0.21334 | 15.995 | 0.099352 | 0.0022936 | liquid |
18.755 | 0.60000 | 72.608 | 0.013773 | -0.032870 | -0.031182 | -1.5357 | 11.194 | 18.010 | 1161.7 | -0.20386 | 15.258 | 0.10078 | 0.0022079 | liquid |
19.219 | 0.70000 | 72.120 | 0.013866 | -0.024511 | -0.022529 | -1.0948 | 11.259 | 18.471 | 1149.9 | -0.19539 | 14.655 | 0.10185 | 0.0021323 | liquid |
19.636 | 0.80000 | 71.669 | 0.013953 | -0.016810 | -0.014530 | -0.69775 | 11.315 | 18.902 | 1138.9 | -0.18768 | 14.145 | 0.10268 | 0.0020643 | liquid |
20.017 | 0.90000 | 71.248 | 0.014036 | -0.0096324 | -0.0070521 | -0.33500 | 11.366 | 19.310 | 1128.6 | -0.18056 | 13.706 | 0.10332 | 0.0020023 | liquid |
20.369 | 1.0000 | 70.850 | 0.014114 | -0.0028830 | 1.1116e-12 | 5.4758e-11 | 11.412 | 19.700 | 1118.9 | -0.17391 | 13.320 | 0.10382 | 0.0019452 | liquid |
20.696 | 1.1000 | 70.473 | 0.014190 | 0.0035083 | 0.0066966 | 0.31207 | 11.454 | 20.076 | 1109.6 | -0.16763 | 12.976 | 0.10422 | 0.0018922 | liquid |
21.003 | 1.2000 | 70.114 | 0.014263 | 0.0095952 | 0.013091 | 0.60483 | 11.494 | 20.439 | 1100.7 | -0.16167 | 12.667 | 0.10454 | 0.0018426 | liquid |
21.291 | 1.3000 | 69.769 | 0.014333 | 0.015420 | 0.019226 | 0.88111 | 11.531 | 20.793 | 1092.1 | -0.15597 | 12.387 | 0.10478 | 0.0017960 | liquid |
21.565 | 1.4000 | 69.436 | 0.014402 | 0.021015 | 0.025133 | 1.1431 | 11.566 | 21.139 | 1083.8 | -0.15050 | 12.130 | 0.10497 | 0.0017519 | liquid |
21.824 | 1.5000 | 69.115 | 0.014469 | 0.026409 | 0.030842 | 1.3926 | 11.599 | 21.479 | 1075.8 | -0.14522 | 11.893 | 0.10512 | 0.0017101 | liquid |
Vapor Phase Data
Data on Saturation Curve
Temperature (K) | Pressure (atm) | Density (kg/m3) | Volume (m3/kg) | Internal Energy (kJ/mol) | Enthalpy (kJ/mol) | Entropy (J/mol*K) | Cv (J/mol*K) | Cp (J/mol*K) | Sound Spd. (m/s) | Joule-Thomson (F/atm) | Viscosity (uPa*s) | Therm. Cond. (W/m*K) | Phase |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18.232 | 0.50000 | 0.71655 | 1.3956 | 0.73488 | 0.87742 | 48.323 | 12.855 | 22.846 | 342.92 | 3.7873 | 0.94909 | 0.014885 | vapor |
18.755 | 0.60000 | 0.84280 | 1.1865 | 0.73928 | 0.88470 | 47.298 | 12.886 | 23.138 | 346.50 | 3.6647 | 0.98071 | 0.015409 | vapor |
19.219 | 0.70000 | 0.96713 | 1.0340 | 0.74297 | 0.89081 | 46.429 | 12.915 | 23.423 | 349.52 | 3.5632 | 1.0087 | 0.015879 | vapor |
19.636 | 0.80000 | 1.0900 | 0.91747 | 0.74612 | 0.89604 | 45.675 | 12.944 | 23.706 | 352.12 | 3.4766 | 1.0340 | 0.016310 | vapor |
20.017 | 0.90000 | 1.2116 | 0.82538 | 0.74884 | 0.90058 | 45.007 | 12.972 | 23.985 | 354.40 | 3.4010 | 1.0571 | 0.016710 | vapor |
20.369 | 1.0000 | 1.3322 | 0.75063 | 0.75122 | 0.90455 | 44.408 | 13.000 | 24.264 | 356.42 | 3.3339 | 1.0786 | 0.017085 | vapor |
20.696 | 1.1000 | 1.4521 | 0.68868 | 0.75332 | 0.90806 | 43.864 | 13.029 | 24.543 | 358.22 | 3.2736 | 1.0988 | 0.017440 | vapor |
21.003 | 1.2000 | 1.5713 | 0.63643 | 0.75517 | 0.91117 | 43.365 | 13.057 | 24.821 | 359.84 | 3.2187 | 1.1177 | 0.017778 | vapor |
21.291 | 1.3000 | 1.6900 | 0.59173 | 0.75682 | 0.91395 | 42.904 | 13.085 | 25.101 | 361.32 | 3.1684 | 1.1358 | 0.018101 | vapor |
21.565 | 1.4000 | 1.8082 | 0.55303 | 0.75829 | 0.91644 | 42.475 | 13.113 | 25.381 | 362.66 | 3.1219 | 1.1529 | 0.018412 | vapor |
21.824 | 1.5000 | 1.9262 | 0.51916 | 0.75960 | 0.91867 | 42.073 | 13.142 | 25.663 | 363.89 | 3.0787 | 1.1694 | 0.018711 | vapor |
Auxiliary Data
Reference States, Normal Boiling Point Convention
Enthalpy | H = 0 at the normal boiling point for saturated liquid. |
---|---|
Entropy | S = 0 at the normal boiling point for saturated liquid. |
Additional fluid properties
Critical temperature (Tc) | 33.145 K |
---|---|
Critical pressure (Pc) | 12.794 atm |
Critical density (Dc) | 31.263 kg/m3 |
Acentric factor | -0.219 |
Normal boiling point | 20.369 K |
Dipole moment | 0.0 Debye |
References
Equation of state and auxiliary model
Leachman, J.W.; Jacobsen, R.T.; Lemmon, E.W., Fundamental Equations of State for Parahydrogen, Normal Hydrogen, and Orthohydrogen, to be published in J. Phys. Chem. Ref. Data, 2008. [all data]
Auxiliary model and surface tension
McCarty, R.D.; Hord, J.; Roder, H.M., Selected Properties of Hydrogen (Engineering Design Data), NBS Monograph 168, National Bureau of Standards, Boulder, CO, 1981, 0. [all data]
Thermal conductivity and dielectric constant
Kunz, O.; Klimeck, R.; Wagner, W.; Jaeschke, M., The GERG-2004 Wide-Range Reference Equation of State for Natural Gases and Other Mixtures, to be published as a GERG Technical Monograph, Fortschr.-Ber. VDI, VDI-Verlag, Düsseldorf, 2006. [all data]
Additional Information
Equation of state
The uncertainty in density is 0.1% at temperatures from the triple point to 250 K and at pressures up to 40 MPa, except in the critical region, where an uncertainty of 0.2% in pressure is generally attained. In the region between 250 and 450 K and at pressures from 0.1 to 300 MPa, the uncertainty in density is 0.04%. At temperatures between 450 and 1000 K, the uncertainty in density increases to 1%. At pressures between 300 and 2000 MPa, the uncertainty in density is 8%. Speed of sound data are represented within 0.5% below 100 MPa. The estimated uncertainty for heat capacities is 1.0%. The estimated uncertainties of vapor pressures and saturated liquid densities calculated using the Maxwell criterion are 0.2% for each property.
Thermal conductivity
The uncertainty in thermal conductivity below 100 K is estimated to be 3% below 150 atm and up to 10% below 700 atm. For temperatures around 100 K at low densities, the uncertainty is about 1%. Above 100 K, the uncertainty is estimated to be on the order of 10%.
Viscosity
The uncertainty in viscosity ranges from 4% to 15%.
Notes
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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