.Greenhouses.Components.Greenhouse.ThermalScreen

Information

This model applies an energy balance on the thermal screen. The energy balance is done by taking into account:

Because the properties of the screen are parameters of the model, the user has the possibility to adapt the model for any type of screen material (e.g. aluminized, non aluminized etc.).

The screen thickness, commonly less than 1 mm, implies a very low heat capacity. Moreover, the screen is mostly drawn at night (i.e. when there is no short-wave irradiation), in order to mitigate heat losses. Because of the latter, in this model the absorbed heat from short-wave radiation is neglected.

The vapor pressure of water at the screen is defined by the saturated vapor pressure for its temperature.


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