Thermal Conductivity Of Water At Different Temperatures
Liquid thermal conductivity data have been compiled by jameison et al.
Thermal conductivity of water at different temperatures. 7 miller et al. Water thermophysical properties thermal properties of water density freezing temperature boiling temperature latent heat of melting latent heat of evaporation critical temperature and more water boiling points at higher pressure online calculator figures and tables showing boiling points of water at pressures ranging from 14 7 to 3200 psia 1 to 220 bara. All this provides a qualitative explanation of the dependence λ t in real crystal dielectrics but takes no account of deviations from the constant lattice due to atomic impurities of other elements and. Following the wiedemann franz law thermal conductivity of metals is approximately proportional to the absolute temperature in kelvins times electrical conductivity.
In metals heat conductivity is primarily due to free electrons. 15 and constants that may be used to calculate k l for pure liquids at different temperatures are tabulated in daubert et al. The thermal conductivity probe was calibrated and validated using glycerin with mass fraction w 0 99 glycol with mass fraction w. Generally for pure water ph is 7 at a particular temperature and thermal conductivity kw value is 1.
Water possesses highest density at 3 98 0c temperature and thus highest thermal conductivity. The effect of temperature on thermal conductivity is different for metals and nonmetals. Unless otherwise noted the values refer to a pressure of 100 kpa 1 bar or to the saturation vapor pressure if that is less than 100 kpa. 14 and liley et al.
This chart gives the thermal conductivity of gases as a function of temperature. 16 and yaws 13.