modelZoneStepResponse

Example to test the thermal step response of a SimpleZone
Diagram of ZoneStepResponse

Extends from Modelica.Icons.Example (Icon for runnable examples).

Information

This example tests the step response of the SimpleZone model for the airflow benchmark. It uses the weather file STEP_TMY.mos, that implements a 5 Kelvin step at t=400 000 seconds. In the Buildings library, the room model of BESTEST 600 FF needs around 4-5 hours in order to reach 2/3 of the maximum step response to this weather file. This time constant is approximated with a value of mSenFac = 75 for the mixing volume of the zone.

The mass flow rate of air to the zone is 0.05 kg/s, which approximates an air exchange rate of 3 times the air volume per hour.

Connectors

TypeNameDefaultDescription
BoundaryConditions.WeatherData.BusweaBusWeather bus for temperature input

Components

TypeNameDefaultDescription
Modelica.Units.SI.TemperatureTRoomsimpleZone.volRoom.heatPort.TRoom temperature at volume's therm port
Components.SimpleZonesimpleZoneSimple zone element for step response test
Fluid.Sources.MassFlowSource_TboundaryMass flow source for air exchange in the zone
IBPSA.Fluid.Sources.Boundary_pTbouBoundary condition for air exchange in the zone
BoundaryConditions.WeatherData.ReaderTMY3weaDatWeather data reader for input data
Modelica.Blocks.Sources.Stepstep

Contents

NameDescription
MediumMedium in the component

Revisions

  • May 15, 2019, by Jianjun Hu:
    Replaced fluid source. This is for #1072.
  • May 28, 2015, by Marcus Fuchs:
    First implementation.