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In building materials, by taking into account heat and moisture storage, latent heat effects, and transport of heat and moisture. This coupling is available when a Building Material feature of the Heat Transfer interface and a Building Material feature of the Moisture Transport interface are active on the same domain. It can be applied to the computation of different moisture variations phenomena in building components, such as drying of initial construction moisture, condensation due to migration of moisture from outside to inside in summer, and moisture accumulation by interstitial condensation due to diffusion in the winter. The thermodynamics properties of the building material depend both on the dry solid properties and on the moisture content, and the evaporation of liquid water adds a latent heat source in the diffusion equation for temperature. Reversely, the variations of moisture content due to liquid transport (capillary flow) and vapor diffusion are temperature dependent.
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In moist air, by modeling moisture transport by vapor diffusion and convection, and heat transfer by conduction and convection. The thermodynamics properties of moist air depend on the moisture content, whereas the temperature is used to define the saturation conditions for vapor concentration. This coupling is available when a Moist Air feature of the Heat Transfer interface and a Moist Air feature of the Moisture Transport interface are active on the same domain.
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In moist porous media, by taking into account heat and moisture storage, latent heat effects, and transport of heat and moisture. This coupling is available when a Moist Porous Medium feature of the Heat Transfer interface and an Hygroscopic Porous Medium feature of the Moisture Transport interface are active on the same domain. It can be applied to the computation of different moisture variations phenomena in porous media filled with moist air and liquid water.
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It defines the relative humidity ϕw (with corresponding reference temperature and pressure) in order to set the corresponding inputs in the Moist Air feature of the Heat Transfer interface.
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It defines the temperature T in order to set the model inputs in the features of the Moisture Transport interface.
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In building materials domains, it defines the moisture storage function w and the vapor permeability δp (or vapor resistance factor μ) in order to set the corresponding inputs in the Building Material feature of the Heat Transfer interface.
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In porous media domains, it defines the liquid water saturation sl and velocity field ul in order to set the corresponding inputs in the Liquid Water feature of the Heat Transfer interface.
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In porous media domains, it computes the latent heat source due to evaporation and condensation, and adds it in the heat transfer equation, in the Moist Porous Medium feature of the Heat Interface.
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In porous media domains, it computes the diffusive flux of thermal enthalpy due to the rate of change of vapor and air in the mixture, which is used in the Moist Air subfeature of the Moist Porous Medium feature of the Heat Interface.
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In porous media domains, it computes the capillary flux of liquid water, which is used in the Liquid Water subfeature of the Moist Porous Medium feature of the Heat Interface.
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Evaporative Cooling of Water: Application Library path Heat_Transfer_Module/Phase_Change/evaporative_cooling
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