modelEntropyFlowRate
Ideal entropy flow rate sensor
Extends from BuildingSystems.Fluid.Sensors.BaseClasses.PartialDynamicFlowSensor, Modelica.Icons.RoundSensor.
Information
This model outputs the entropy flow rate of the medium in the flow between fluid ports. The sensor is ideal, i.e., it does not influence the fluid.
If the parameter tau is non-zero, then the measured
specific entropy sout that is used to
compute the entropy flow rate
Ṡ = ṁ sout
is computed using a first order differential equation.
See
BuildingSystems.Fluid.Sensors.UsersGuide for an explanation.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Initialization | |||
| Modelica.Units.SI.SpecificEntropy | s_out_start | Medium.specificEntropy_pTX(p = Medium.p_default, T = Medium.T_default, X = Medium.X_default) | Initial or guess value of measured specific entropy |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealOutput | S_flow | Entropy flow rate, positive if from port_a to port_b |
Revisions
-
October 19, 2020, by Antoine Gautier:
Changed default value fortaufrom1to0.
This is for #1406. -
February 25, 2020, by Michael Wetter:
Changed icon to display its operating state.
This is for #1294. -
July 29, 2016, by Michael Wetter:
First implementation based on BuildingSystems.Fluid.Sensors.EnthalpyFlowRate.