| Key Words |
Latent heat; capillary porous materials; water;vaporization; condensation; mathematical description. |
| Abstract |
Some basic characteristics and terms of the latent heat of the materials and especially of the water are considered in this work. The process of vaporization of the liquid fluids has been described and analyzed. Using data from the specialized literature, a mathematical description of the specific latent heat of vaporization of both the free and the bound water in capillary porous materials and products of plant origin has been suggested. The information about the specific latent heat of vaporization of the water in mentioned materials is needed for scientifically based computing of the non-stationary temperature distribution in them during drying and liquefaction processes and also of the duration, energy consumption, and model based control of these processes. The latent heat of condensation of the water and other fluids is widely used when a thermal dimensioning of different equipment is conducted. |
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