Property | Water Liquid | Water Vapor | Unit |
---|---|---|---|
Density | 960 | Ideal gas \(p = \frac{\rho }{{{M_{{{\text{H}}_{2}}{\text{O}}}}}}RT\) \(\rho = \frac{p \times 0.018}{{8.314 \times T}}\) | kg/m3 |
Specific heat capacity | 4217 | 2029 | J/(kg·K) |
Dynamic viscosity | \(2.41 \times {10^{\frac{247.8}{{T - 140}}}} \times {10^{ - 5}}\) | \((-2.78+0.04T)\times {10^{ - 6}}\) | kg/(m·s) |
Heat transfer coefficient | 0.68 | \((-21.99+0.12T)\times {10^{ - 3}}\) | W/(m·K) |
Prandtl number | \(0.149 \times {10^{\frac{247.8}{{T - 140}}}}\) | 0.984 | / |
Surface tension coefficient | 0.0589 | N/m | |
Latent heat | \(\begin{gathered} 2.29 \times {10^7} - 2.82 \times {10^5}{T_{sat}} + 1.61 \times {10^3}{T_{sat}}^2 - 4.82 \times {T_{sat}}^3 \hfill \\ + 7.92 \times {10^{ - 3}}{T_{sat}}^4 - 6.77 \times {10^{ - 6}}{T_{sat}}^5 + 2.33 \times {10^{ - 9}}{T_{sat}}^6 \hfill \\ \end{gathered}\) | J/kg | |
Saturation temperature | \(222.13 + 16.15\times p_{sat}^{0.193}\) | K | |
Specific enthalpy of saturated water liquid | \(- 1.22 \times {10^6} + 4.41 \times {10^3}{T_{sat}}\) | J/kg | |
Specific enthalpy of saturated water vapor | \(\begin{gathered} 1.42 \times {10^6} + 8.70 \times {10^3}{T_{sat}} - 33.29{T_{sat}}^2 + 0.078 \times {T_{sat}}^3 \hfill \\ - 7.97 \times {10^{ - 5}}{T_{sat}}^4 + 1.86 \times {10^{ - 8}}{T_{sat}}^5 \hfill \\ \end{gathered}\) | J/kg |