.BuildingSystems.Fluid.Sources.Outside

Information

This model describes boundary conditions for pressure, enthalpy, and species concentration that can be obtained from weather data.

To use this model, connect weather data from BuildingSystems.BoundaryConditions.WeatherData.ReaderTMY3 to the port weaBus of this model. This will cause the medium of this model to be at the pressure that is obtained from the weather file, and any flow that leaves this model to be at the temperature and humidity that are obtained from the weather data.

If the parameter use_C_in is false (default option), the C parameter is used as the trace substance for flow that leaves the component, and the C_in input connector is disabled; if use_C_in is true, then the C parameter is ignored, and the value provided by the input connector is used instead.

Note that boundary temperature, mass fractions and trace substances have only an effect if the mass flow is from the boundary into the port. If mass is flowing from the port into the boundary, the boundary definitions, with exception of boundary pressure, do not have an effect.

Revisions

• October 26, 2011 by Michael Wetter:
  Introduced new base class to allow implementation of wind pressure for natural ventilation.
• April 27, 2011 by Michael Wetter:
  Revised implementation to allow medium model that do not have water vapor.
• Feb. 9, 2011 by Michael Wetter:
  First implementation.