Thermophysical Properties: Helium (He) at 1 atm

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T Temp.(K) ρ density(kg/m3) cpspecific heat (kJ/Kg-K) μ viscosity(10-7N-s/m²) ν kinematic viscosity (10-6m2/s) k thermal conductivity (10-3W/m-K) α thermal diffusivity (10-4m2/s) Pr Prandtl number
4.22 16.900 9.78 1.25 0.0739 0.011 0.00064 1.15
7 7.530 5.71 1.76 0.234 0.014 0.00321 0.73
10 5.020 5.41 2.26 0.449 0.018 0.00642 0.70
20 2.440 5.25 3.58 1.470 0.027 0.0209 0.70
30 1.620 5.22 4.63 2.860 0.034 0.0403 0.71
60 0.811 5.20 7.12 8.800 0.053 0.125 0.70
100 0.487 5.20 9.78 20.10 0.074 0.291 0.69
200 0.244 5.19 15.1 62.20 0.118 0.932 0.67
300 0.162 5.19 19.9 122.0 0.155 1.830 0.67
600 0.0818 5.19 32.2 396.0 0.251 5.940 0.67
1000 0.0487 5.19 46.3 946.0 0.360 14.20 0.67

References

Faghri, A., and Zhang, Y., 2006, Transport Phenomena in Multiphase Systems, Elsevier, Burlington, MA.

Bejan, A., 2004, Convection Heat Transfer, 3rd ed., John Wiley & Sons, New York, NY.

Faghri Amir , Zhang Yuwen , Howell John, 2010, Advanced Heat and Mass Transfer, Global Digital Press, Columbia, MO

Further Reading

External Links