Thermophysical Properties: Sodium
From Thermal-FluidsPedia
Sodium, Na, Molecular Mass: 23.0, (Tsat = 1151.2 K; Tm = 371.0 K) T Temp. K pv saturation pressure (102 Pa) latent heat (kJ/kg) ρℓ liquid density (kg/m³) ρv vapor density (10-3 kg/m³) μℓ liquid viscosity (10-4 N-s/m²) μv vapor viscosity (10-8 N-s/m²) kℓ liquid thermal conductivity (W/m-K) kv vapor thermal conductivitya (W/m-K) σ liquid surface tension (10-3N/m) cp,ℓ liquid specific heat a (kJ/kg-K) cp,v vapor specific heat a (10-1 kJ/kg-K) 600 0.047 4429 873.2 0.022 3.276 1480 75.17 172.1 1.30 1.793 700 0.951 4341 849.4 0.396 2.690 1660 70.53 0.0277 162.1 1.27 2.244 800 8.760 4237 825.6 3.270 2.298 1827 65.88 0.0343 152.1 1.26 2.555 900 48.760 4131 801.8 16.500 2.018 2010 61.25 0.0406 142.1 1.25 2.700 1000 192.200 4026 778.0 59.980 1.809 2211 56.60 0.0455 132.1 1.26 2.709 1100 584.280 3925 754.2 168.100 1.645 2398 51.96 0.0492 122.1 1.27 2.632 1200 1465.400 3829 730.4 396.600 1.514 2577 47.00 0.0522 112.1 1.29 2.508 1300 3165.000 3742 706.6 804.500 1.407 2763 42.50 0.0547 102.1 2.365 1400 6097.400 3656 682.8 1459.200 1.317 2938 37.50 0.0570 92.1 2.228 1500 10716.600 3577 658.0 2424.800 1.240 3117 33.00 0.0592 82.0 2.095 1600 17495.900 3500 635.2 3750.900 1.176 3281 28.50 72.0 1700 26919.900 3425 611.4 5482.400 1.117 3449 24.00 62.0 1800 39350.000 3353 587.6 7627.700 1.067 3620 19.00 52.0
Propertya Temp. α0 α1 α2 α3 α4 α5 Error(%) pv (102Pa) 600–1800 K -57.346 1.8129-1b -2.2487-4 1.5164-7 -5.2957-11 7.5006-15 0.98 hlv (kJ/kg) 600–1800 K 8.2271 1.1086-3 -2.1757-6 1.6631-9 -6.0973-13 8.7109-17 0.02 ρℓ (kg/m³) 600–1800 K 6.9583 -3.9865-4 2.6890-7 -2.5843-10 1.0321-13 -1.6518-17 0.02 ρv (10-3kg/m³) 600–1800 K -57.566 0.18157 -2.2885-4 1.5614-7 -5.5058-11 7.8615-15 1.25 μℓ (10-4Ns/m²) 600–1800 K 4.1428 -9.2518-3 1.0570-5 -6.9077-9 2.3709-12 -3.3213-16 0.05 μv (10-8 Ns/m²) 600–1800 K 6.4857 1.6476-3 -6.37865-7 3.8144-10 -2.3380-13 5.4972-17 0.16 kℓ (W/m-K) 600–1800 K 6.0146 -7.4369-3 1.3548-5 -1.2912-8 5.8860-12 -1.0619-15 0.21 kv (W/m-K) 700–1500 K -2.9716 -1.3227-2 3.8083-5 -4.1771-8 2.0652-11 -3.8556-15 0.17 σ (10-3N/m) 600–1800 K 5.5631 -1.0484-3 1.1969-6 -1.3563-9 6.7582-13 -1.4750-16 0.02 cp,ℓ (kJ/kg-K) 600–1200 K 2.4330 -1.1431-2 2.4444-5 -2.6701-8 1.4701-11 -3.2175-15 0.13 cp,v (kJ/kg-K) 600–1500 K -4.3532 1.5451-2 -1.5104-5 5.0582-9 2.9861-13 -3.5328-16 0.04
Polynomial function: ln(Property) = α0 + α1T + α2T2 + α3T3 + α4T4 + α5T5
References
Faghri, A., and Zhang, Y., 2006, Transport Phenomena in Multiphase Systems, Elsevier, Burlington, MA.
Faghri Amir , Zhang Yuwen , Howell John, 2010, Advanced Heat and Mass Transfer, 1st ed., Global Digital Press, Columbia, MO
Ivanovskii, M.N., Sorokin, V.P., and Yagodkin, I.V., 1982, The Physical Principles of Heat Pipes, Clarendon Press, Oxford, UK.
Vargaftik, N.B., 1975, Handbook of Physical Properties of Liquids and Gases, Hemisphere, New York, NY.