.AixLib.BoundaryConditions.InternalGains.Humans.HumanTotalHeatTemperatureDependent

Information

Overview

This model enhances the existing human model by moisture release and latent heat release. It is based on the SIA 2024 and uses the same temperature dependent heat output.

Concept

It is possible to set an activity degree to consider different types of activity of the persons in the room.

The heat output depends on the air temperature in the room where the activity takes place.

A schedule of the activity is also required as constant presence of people in a room is not realistic. The schedule describes the presence of only one person, and can take values from 0 to 1.

Assumptions

The surface for radiation exchange is computed from the number of persons in the room, which leads to a surface area of zero, when no one is present. In particular cases this might lead to an error as depending of the rest of the system a division by this surface will be introduced in the system of equations -> division by zero.For this reason a limitiation for the surface has been intoduced: as a minimum the surface area of one human and as a maximum a value of 1e+23 m2 (only needed for a complete parametrization of the model).

References

[1]: SIA 2024: Space usage data for energy and building services engineering - 2015

• Oktober 14, 2019  by Martin Kremer:
  Adapted to latest changes in IPBSA providing latent heat output at 37 degree Celsius
• July 18, 2019  by Martin Kremer:
  Revision of latent heat output due to influence on room temperature.
• July 10, 2019  by Martin Kremer:
  Revised due to changes on human model
• March, 2019  by Martin Kremer:
  First implementation on issue #695.