Buildings.Fluid.BaseClasses.FlowModels.Examples

Information

Extends from Buildings.BaseClasses.BaseIconExamples (Icon for Examples packages).

Package Content

Name	Description
TestFlowFunctions	Test model for flow functions

Buildings.Fluid.BaseClasses.FlowModels.Examples.TestFlowFunctions

Information

Parameters

Type	Name	Default	Description
Pressure	p2	101325	Boundary condition [Pa]
Boolean	linearized	false
Boolean	from_dp	false
Real	k	0.5
MassFlowRate	m_flow_nominal	1	Nominal flow rate [kg/s]

Modelica definition

model TestFlowFunctions "Test model for flow functions"

 Modelica.SIunits.MassFlowRate m1_flow;
 Modelica.SIunits.MassFlowRate m2_flow;
 Modelica.SIunits.Pressure dp1;
 Modelica.SIunits.Pressure dp2;
 Modelica.SIunits.Pressure p1_nominal=2;
 Modelica.SIunits.Time dTime= 1;
 Modelica.SIunits.Pressure p1 "Boundary condition";
 parameter Modelica.SIunits.Pressure p2 = 101325 "Boundary condition";
 parameter Boolean linearized=false;
 parameter Boolean from_dp = false;
 parameter Real k = 0.5;
 parameter Modelica.SIunits.MassFlowRate m_flow_nominal = 1 "Nominal flow rate";
equation 
  p1 = p1_nominal + time/dTime * 20;
  m1_flow = m2_flow;
  p2-p1 = dp1 + dp2;
  if from_dp then
  m1_flow=FlowModels.basicFlowFunction_dp(dp=dp1, k=k, m_flow_turbulent=m_flow_nominal*0.3, linearized=linearized);
  m2_flow=FlowModels.basicFlowFunction_dp(dp=dp2, k=k, m_flow_turbulent=m_flow_nominal*0.3, linearized=linearized);
  else
  dp1=FlowModels.basicFlowFunction_m_flow(m_flow=m1_flow, k=k, m_flow_turbulent=m_flow_nominal*0.3, linearized=linearized);
  dp2=FlowModels.basicFlowFunction_m_flow(m_flow=m2_flow, k=k, m_flow_turbulent=m_flow_nominal*0.3, linearized=linearized);

  end if;
end TestFlowFunctions;