How Revit Relates to Personnel Parameters
Revit allows you to define the load caused by personnel occupying a space through the Personnel dialog box. These loads directly impact the calculation of heating and cooling demands. To open this dialog box, you can either click Edit next to Personnel in the Attributes panel, or access it via the Details tab within the heating and cooling loads dialog of the selected space, then click the Space Personnel Data button.
The Personnel dialog box offers the following options:
Usage Time
Value – By Space Type: Uses the default personnel load value predefined for the space type.
Value – Specify: Enables manual input of personnel loads for the space.
You can specify the personnel load in two ways:
- Number of People: Enter the number of occupants to calculate the load accordingly.
- Per Capita Area: Define the load based on the area allocated per person.
Heat Increment (Per Person)
Value – By Space Type: Uses the default heat increment value based on the space type.
Value – Specify: Allows you to activate and define custom heat increment values for the personnel.
Sensible Heat: This refers to the increase in convective and radiative heat emitted from the human body surface to the surrounding surfaces and air. When exporting a gbXML file, this value is included as the PeopleHeatGain attribute with heatGainType set to hot.
Latent Heat: This represents the heat increase caused by moisture evaporation from the human body into the surrounding air. In the gbXML export, it is also included as the PeopleHeatGain attribute but with heatGainType set to latent.
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