modelPPM

Test model for the extra property sensor outputting PPM
Diagram of PPMOpen the diagram
▶ Simulate in your browser

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

Information

This example tests the sensors that measure trace substances using an output in parts per million. Various configurations with and without flow reversal and with or without dynamics are tested.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.MassFlowRatem_flow_nominalvolDyn.V*senPPMTwoPort.tau*3*rho_defaultMass flow rate into and out of the volume

Components

TypeNameDefaultDescription
BuildingSystems.Fluid.MixingVolumes.MixingVolumevolDynMixing volume with dynamics
BuildingSystems.Fluid.Sources.MassFlowSource_TmSouFresh air supply
BuildingSystems.Fluid.Sensors.PPMsenPPMVolPPM sensor for mixing volume
Modelica.Blocks.Sources.ConstantCO2InCO2 mass flow rate entering mixing volume
BuildingSystems.Fluid.Sensors.PPMTwoPortsenPPMTwoPortPPM sensor
BuildingSystems.Fluid.Sensors.PPMsenPPMInPPM sensor for inlet
BuildingSystems.Fluid.Sensors.PPMTwoPortsenPPMNoRevPPM sensor without flow reversal disabled
BuildingSystems.Fluid.Sensors.PPMTwoPortsenPPMRevPPM sensor with flow in reverse direction
BuildingSystems.Fluid.Sensors.PPMTwoPortsenPPMStaStatic PPM sensor
BuildingSystems.Fluid.MixingVolumes.MixingVolumevolSteMixing volume without dynamics
BuildingSystems.Fluid.Sensors.PPMsenPPMVol2PPM sensor for mixing volume
BuildingSystems.Fluid.Sources.MassFlowSource_TmSouStaFresh air supply for steady state volume
BuildingSystems.Fluid.Sources.Boundary_pTsinExhaust air
BuildingSystems.Fluid.FixedResistances.PressureDropdpPressure drop to decouple volume pressure from boundary pressure

Contents

NameDescription
MediumMedium model

Revisions

  • February 1, 2024, by Michael Wetter:
    Added pressure drop to avoid redundant initial conditions for pressure of control volume.
    This is for #1830.
  • May 2, 2019, by Jianjun Hu:
    Replaced fluid source. This is for #1072.
  • January 12, 2016, by Filip Jorissen:
    First implementation. See issue #372