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Cryogenic Fluids: helium 1
6.2 to 8.2
Cryogenic fluid thermodynamic properties — density, enthalpy, entropy, cp, viscosity, and thermal conductivity for helium, hydrogen, argon, neon, and methane at cryogenic temperatures and various pressures
| fluid pressure | temp K | cp kJ kgK (kJ/kgK) | density kg m3 (kg/m3) | enthalpy kJ kg (kJ/kg) | entropy kJ kgK (kJ/kgK) | fluid | phase | pressure bar (bar) | specific volume m3 kg (m3/kg) | thermal conductivity W mK (W/mK) | viscosity uPa s (uPa*s) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| helium 1 | 6.2 | 5.9265 | 8.6352 | 34.123 | 7.5602 | helium | vapor | 1 | 0.1158 | 0.012027 | 1.6164 |
| helium 1 | 7.2 | 5.6768 | 7.1745 | 39.91 | 8.426 | helium | vapor | 1 | 0.13938 | 0.013434 | 1.7966 |
| helium 1 | 8.2 | 5.5415 | 6.1685 | 45.513 | 9.1549 | helium | vapor | 1 | 0.16211 | 0.014746 | 1.9682 |
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