within OTRERA_formation.Components;

model Fan
replaceable package Medium = Modelica.Media.Air.ReferenceAir.Air_pT constrainedby Modelica.Media.Interfaces.PartialMedium annotation(choicesAllMatching = true) ; 

//USER DEFINED PARAMETERS
  parameter Modelica.Units.SI.MassFlowRate m_flow = 10 ; 
//INTERNAL VARIABLES
  Medium.ThermodynamicState state ;
  Modelica.Units.SI.SpecificHeatCapacity cp ;
  Modelica.Units.SI.HeatFlowRate Q_flow ;
  //IMPORTED COMPONENTS
  Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_a port_a annotation(
    Placement(transformation(origin = {-96, 0}, extent = {{-10, -10}, {10, 10}}), iconTransformation(origin = {-88, 6}, extent = {{-10, -10}, {10, 10}})));
  Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_b port_b annotation(
    Placement(transformation(origin = {96, 0}, extent = {{-10, -10}, {10, 10}}), iconTransformation(origin = {90, 2}, extent = {{-10, -10}, {10, 10}})));
equation
  state = Medium.setState_pT(p=Medium.p_default,T=port_a.T);
  cp = Medium.specificHeatCapacityCp(state) ;
  Q_flow = m_flow * cp * (port_b.T - port_a.T) ;
  port_b.Q_flow = Q_flow;
  port_a.Q_flow = 0 ;
end Fan;