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Fluid Properties: helium
0 to 427
Fluid thermophysical properties - density, viscosity, thermal conductivity, specific heat, and Prandtl number for gases, liquids, liquid metals, refrigerants, and process fluids at various temperatures
| fluid | temp C | density kg m3 (kg/m3) | dynamic viscosity Pa s (Pa*s) | kinematic viscosity m2 s (m2/s) | prandtl number (dimensionless) | specific heat J kgK (J/kgK) | thermal conductivity W mK (W/mK) |
|---|---|---|---|---|---|---|---|
| helium | 0 | 0.1786 | 0.00002 | 0.00011 | 0.71 | 5,193 | 0.142 |
| helium | 20 | 0.1664 | 0.00002 | 0.00012 | 0.69 | 5,193 | 0.149 |
| helium | 27 | 0.1625 | 0.00002 | 0.000122 | 0.68 | 5,193 | 0.152 |
| helium | 50 | 0.151 | 0.000022 | 0.000146 | 0.72 | 5,193 | 0.1597 |
| helium | 100 | 0.1307 | 0.000024 | 0.000186 | 0.71 | 5,193 | 0.1782 |
| helium | 127 | 0.1219 | 0.000024 | 0.000199 | 0.675 | 5,193 | 0.187 |
| helium | 200 | 0.1031 | 0.000028 | 0.000275 | 0.7 | 5,193 | 0.2106 |
| helium | 227 | 0.09754 | 0.000028 | 0.00029 | 0.668 | 5,193 | 0.22 |
| helium | 300 | 0.0851 | 0.000032 | 0.000376 | 0.69 | 5,193 | 0.24 |
| helium | 427 | 0.06969 | 0.000035 | 0.000502 | 0.654 | 5,193 | 0.278 |
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