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Dissipation.mo
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Dissipation.mo
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within ModelicaTest.Fluid;
package Dissipation
"Test cases for heat transfer and pressure loss correlations"
extends Modelica.Icons.ExamplesPackage;
package Verifications
"verification package of heat transfer and pressure loss correlations"
extends Modelica.Icons.ExamplesPackage;
package HeatTransfer "Verification package for heat transfer functions"
extends Modelica.Icons.ExamplesPackage;
package Channel "Verification package for channel correlations"
extends Modelica.Icons.ExamplesPackage;
model kc_evenGapLaminar "Verification of function kc_evenGapLaminar"
extends Modelica.Icons.Example;
parameter Integer n=size(cp, 1);
parameter SI.Diameter d_hyd=2*s;
Real abscissa[n]={(length/d_hyd/(max(Re[i], 1e-3)*Pr[i]))^0.5 for i in 1:n};
SI.Length length=L;
SI.Length dimlesslength(start=1e-2);
SI.PrandtlNumber Pr[n]={eta[i]*cp[i]/(lambda[i]) for i in
1:n};
SI.ReynoldsNumber Re[n]={rho[i]*velocity[i]*d_hyd/eta[i]
for i in 1:n};
SI.Velocity velocity[n]={m_flow[i]/(rho[i]*h*s) for i in
1:n};
//even gap variables
parameter SI.Length h=0.1
"Height of cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length s=0.05
"Distance between parallel plates in cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length L=1 "Overflowed length of gap"
annotation (Dialog(group="Geometry"));
//fluid property variables
parameter SI.SpecificHeatCapacityAtConstantPressure cp[
:]={1007,4189,3384.550}
"Specific heat capacity at constant pressure of fluid";
parameter SI.DynamicViscosity eta[:]={18.24e-6,
1001.6e-6,0.114} "Dynamic viscosity of fluid";
parameter SI.ThermalConductivity lambda[:]={25.69e-3,
598.5e-3,0.387} "Thermal conductivity of fluid";
parameter SI.Density rho[:]={1.188,998.21,1037.799}
"Density of fluid";
//input record
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_1[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevOne)
annotation (Placement(transformation(
extent={{-100,20},{-80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_1[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-80,20},{-60,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_2[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevBoth)
annotation (Placement(transformation(
extent={{-50,20},{-30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_2[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-30,20},{-10,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_3[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevOne)
annotation (Placement(transformation(
extent={{10,20},{30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_3[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{30,20},{50,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_4[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevBoth)
annotation (Placement(transformation(
extent={{60,20},{80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_4[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{80,20},{100,40}})));
//output variables
SI.NusseltNumber Nu_1[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_2[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_3[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_4[n] "Nusselt number"
annotation (Dialog(group="Output"));
protected
SI.MassFlowRate m_flow[n]={0.5*h*lambda[i]*length/(cp[i]
*d_hyd*dimlesslength^2) for i in 1:n};
equation
der(dimlesslength) = 1 - 0.01;
//heat transfer calculation
for i in 1:n loop
(,,,Nu_1[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar(
m_flow_IN_con_1[i], m_flow_IN_var_1[i]);
end for;
for i in 1:n loop
(,,,Nu_2[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar(
m_flow_IN_con_2[i], m_flow_IN_var_2[i]);
end for;
for i in 1:n loop
(,,,Nu_3[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar(
m_flow_IN_con_3[i], m_flow_IN_var_3[i]);
end for;
for i in 1:n loop
(,,,Nu_4[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar(
m_flow_IN_con_4[i], m_flow_IN_var_4[i]);
end for;
annotation (__Dymola_Commands(file=
"modelica://ModelicaTest/Resources/Scripts/Dymola/heatTransfer/channel/kc_evenGapLaminar.mos"
"Verification of kc_evenGapLaminar"),Diagram(coordinateSystem(
preserveAspectRatio=true, extent={{-100,-100},{100,100}}), graphics={
Text(
extent={{-100,50},{100,75}},
textColor={0,0,255},
textString="Heat transfer of EVEN GAP for LAMINAR flow regime"),Text(
extent={{-160,11},{40,6}},
textColor={0,0,255},
textString="Target == DevOne "),Text(
extent={{-120,11},{80,6}},
textColor={0,0,255},
textString="Target == DevBoth"),Text(
extent={{-82,11},{118,6}},
textColor={0,0,255},
textString="Target == UndevOne"),Text(
extent={{-40,11},{160,6}},
textColor={0,0,255},
textString="Target == UndevBoth"),Text(
extent={{-100,-100},{100,40}},
textColor={0,0,255},
textString=
"Target == DevOne >>>>>> DEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-100,-100},{100,30}},
textColor={0,0,255},
textString=
"Target == DevBoth >>>> DEVELOPED fluid flow AND heat transfer at BOTH sides"),
Text(
extent={{-100,-100},{100,20}},
textColor={0,0,255},
textString=
"Target == UndevOne >>>> UNDEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-100,-100},{100,10}},
textColor={0,0,255},
textString="Target == UndevBoth >> UNDEVELOPED fluid flow AND heat transfer at BOTH sides")}),
experiment(StopTime=1.01));
end kc_evenGapLaminar;
model kc_evenGapLaminar_KC
"Verification of function kc_evenGapLaminar_KC"
extends Modelica.Icons.Example;
parameter Integer n=size(cp, 1);
parameter SI.Diameter d_hyd=2*s;
//even gap variables
parameter SI.Length h=0.1
"Height of cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length s=0.05
"Distance between parallel plates in cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length L=1 "Overflowed length of gap"
annotation (Dialog(group="Geometry"));
//fluid property variables
parameter SI.SpecificHeatCapacityAtConstantPressure cp[
:]={1007,4189,3384.550}
"Specific heat capacity at constant pressure of fluid";
parameter SI.DynamicViscosity eta[:]={18.24e-6,
1001.6e-6,0.114} "Dynamic viscosity of fluid";
parameter SI.ThermalConductivity lambda[:]={25.69e-3,
598.5e-3,0.387} "Thermal conductivity of fluid";
parameter SI.Density rho[:]={1.188,998.21,1037.799}
"Density of fluid";
//here: Nusselt number as input for inverse calculation
SI.NusseltNumber Nu[n]=ones(n)*input_Nu.y;
SI.MassFlowRate m_flow_1[n](start=ones(n)*1e-3);
SI.MassFlowRate m_flow_2[n](start=ones(n)*1e-3);
SI.MassFlowRate m_flow_3[n](start=ones(n)*1e-3);
SI.MassFlowRate m_flow_4[n](start=ones(n)*1e-3);
SI.CoefficientOfHeatTransfer kc_OUT_1[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
SI.CoefficientOfHeatTransfer kc_OUT_2[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
SI.CoefficientOfHeatTransfer kc_OUT_3[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
SI.CoefficientOfHeatTransfer kc_OUT_4[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
//input record
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_1[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevOne)
annotation (Placement(transformation(
extent={{-100,20},{-80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_1[n](
m_flow=m_flow_1,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-80,20},{-60,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_2[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevBoth)
annotation (Placement(transformation(
extent={{-50,20},{-30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_2[n](
m_flow=m_flow_2,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-30,20},{-10,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_3[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevOne)
annotation (Placement(transformation(
extent={{10,20},{30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_3[n](
m_flow=m_flow_3,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{30,20},{50,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_con
m_flow_IN_con_4[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevBoth)
annotation (Placement(transformation(
extent={{60,20},{80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_IN_var
m_flow_IN_var_4[n](
m_flow=m_flow_4,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{80,20},{100,40}})));
public
Modelica.Blocks.Sources.Ramp input_Nu(
startTime=0,
duration=1,
height=1e4 - 10,
offset=1.1e1) annotation ( Placement(
transformation(extent={{50,-80},{70,-60}})));
SI.ReynoldsNumber Re_1[n]={abs(m_flow_1[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
SI.ReynoldsNumber Re_2[n]={abs(m_flow_2[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
SI.ReynoldsNumber Re_3[n]={abs(m_flow_3[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
SI.ReynoldsNumber Re_4[n]={abs(m_flow_4[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
equation
//heat transfer calculation
kc_OUT_1 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_KC(
m_flow_IN_con_1[i], m_flow_IN_var_1[i]) for i in 1:n};
kc_OUT_2 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_KC(
m_flow_IN_con_2[i], m_flow_IN_var_2[i]) for i in 1:n};
kc_OUT_3 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_KC(
m_flow_IN_con_3[i], m_flow_IN_var_3[i]) for i in 1:n};
kc_OUT_4 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapLaminar_KC(
m_flow_IN_con_4[i], m_flow_IN_var_4[i]) for i in 1:n};
annotation (__Dymola_Commands(file=
"modelica://ModelicaTest/Resources/Scripts/Dymola/heatTransfer/channel/kc_evenGapLaminar_KC.mos"
"Verification of kc_evenGapLaminar_KC"),Diagram(coordinateSystem(
preserveAspectRatio=true, extent={{-100,-100},{100,100}}), graphics={
Text(
extent={{-100,50},{100,75}},
textColor={0,0,255},
textString=
"Heat transfer of EVEN GAP for LAMINAR flow regime (inlining)"),
Text(
extent={{-98,-26},{102,-1}},
textColor={0,0,255},
textString=
"here: unintended input variables for creation of nonlinear equations (proof analytical Jacobians)"),
Text(
extent={{-158,9},{42,4}},
textColor={0,0,255},
textString="Target == DevOne "),Text(
extent={{-118,9},{82,4}},
textColor={0,0,255},
textString="Target == DevBoth"),Text(
extent={{-80,9},{120,4}},
textColor={0,0,255},
textString="Target == UndevOne"),Text(
extent={{-38,9},{162,4}},
textColor={0,0,255},
textString="Target == UndevBoth"),Text(
extent={{-98,-102},{102,38}},
textColor={0,0,255},
textString=
"Target == DevOne >>>>>> DEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-98,-102},{102,28}},
textColor={0,0,255},
textString=
"Target == DevBoth >>>> DEVELOPED fluid flow AND heat transfer at BOTH sides"),
Text(
extent={{-98,-102},{102,18}},
textColor={0,0,255},
textString=
"Target == UndevOne >>>> UNDEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-98,-102},{102,8}},
textColor={0,0,255},
textString="Target == UndevBoth >> UNDEVELOPED fluid flow AND heat transfer at BOTH sides")}),
experiment(StopTime=1.01));
end kc_evenGapLaminar_KC;
model kc_evenGapOverall "Verification of function kc_evenGapOverall"
extends Modelica.Icons.Example;
parameter Integer n=size(cp, 1);
parameter SI.Diameter d_hyd=2*s;
//even gap variables
parameter SI.Length h=0.1
"Height of cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length s=0.05
"Distance between parallel plates in cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length L=1 "Overflowed length of gap"
annotation (Dialog(group="Geometry"));
//fluid property variables
parameter SI.SpecificHeatCapacityAtConstantPressure cp[
:]={1007,4189,3384.550}
"Specific heat capacity at constant pressure of fluid";
parameter SI.DynamicViscosity eta[:]={18.24e-6,
1001.6e-6,0.114} "Dynamic viscosity of fluid";
parameter SI.ThermalConductivity lambda[:]={25.69e-3,
598.5e-3,0.387} "Thermal conductivity of fluid";
parameter SI.Density rho[:]={1.188,998.21,1037.799}
"Density of fluid";
//input VARIABLES
//create identical Reynolds number for different fluid properties >> adjustment of mass flow rate
SI.MassFlowRate m_flow[:]={mflow_test*eta[1]/eta[3],
mflow_test*eta[2]/eta[3],mflow_test} "mass flow rate"
annotation (Dialog(group="Input"));
//input record
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_1[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevOne)
annotation (Placement(transformation(
extent={{-100,20},{-80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_1[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-80,20},{-60,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_2[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevBoth)
annotation (Placement(transformation(
extent={{-50,20},{-30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_2[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-30,20},{-10,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_3[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevOne)
annotation (Placement(transformation(
extent={{10,20},{30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_3[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{30,20},{50,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_4[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevBoth)
annotation (Placement(transformation(
extent={{60,20},{80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_4[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{80,20},{100,40}})));
//output variables
SI.NusseltNumber Nu_1[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_2[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_3[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_4[n] "Nusselt number"
annotation (Dialog(group="Output"));
SI.ReynoldsNumber Re_1[n] "Reynolds number"
annotation (Dialog(group="Output"));
SI.ReynoldsNumber Re_2[n] "Reynolds number"
annotation (Dialog(group="Output"));
protected
Real mflow_test=input_mflow_0.y;
public
Modelica.Blocks.Sources.Ramp input_mflow_0(
offset=0,
duration=1,
height=1e4) annotation (Placement(
transformation(extent={{-80,-80},{-60,-60}})));
Modelica.Blocks.Sources.Sine input_mflow_1(amplitude=100, f=1)
annotation (Placement(transformation(extent={{
-40,-80},{-20,-60}})));
Modelica.Blocks.Sources.Exponentials input_mflow_2(
outMax=100,
riseTime=1e-1,
riseTimeConst=1e-1) annotation (Placement(
transformation(extent={{0,-80},{20,-60}})));
equation
//heat transfer calculation
for i in 1:n loop
(,,Re_1[i],Nu_1[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall(
m_flow_IN_con_1[i], m_flow_IN_var_1[i]);
end for;
for i in 1:n loop
(,,Re_2[i],Nu_2[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall(
m_flow_IN_con_2[i], m_flow_IN_var_2[i]);
end for;
for i in 1:n loop
(,,,Nu_3[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall(
m_flow_IN_con_3[i], m_flow_IN_var_3[i]);
end for;
for i in 1:n loop
(,,,Nu_4[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall(
m_flow_IN_con_4[i], m_flow_IN_var_4[i]);
end for;
annotation (__Dymola_Commands(file=
"modelica://ModelicaTest/Resources/Scripts/Dymola/heatTransfer/channel/kc_evenGapOverall.mos"
"Verification of kc_evenGapOverall"),Diagram(coordinateSystem(
preserveAspectRatio=true, extent={{-100,-100},{100,100}}), graphics={
Text(
extent={{-100,50},{100,75}},
textColor={0,0,255},
textString="Heat transfer of EVEN GAP for OVERALL flow regime"),Text(
extent={{-160,9},{40,4}},
textColor={0,0,255},
textString="Target == DevOne "),Text(
extent={{-120,9},{80,4}},
textColor={0,0,255},
textString="Target == DevBoth"),Text(
extent={{-82,9},{118,4}},
textColor={0,0,255},
textString="Target == UndevOne"),Text(
extent={{-40,9},{160,4}},
textColor={0,0,255},
textString="Target == UndevBoth"),Text(
extent={{-100,-102},{100,38}},
textColor={0,0,255},
textString=
"Target == DevOne >>>>>> DEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-100,-102},{100,28}},
textColor={0,0,255},
textString=
"Target == DevBoth >>>> DEVELOPED fluid flow AND heat transfer at BOTH sides"),
Text(
extent={{-100,-102},{100,18}},
textColor={0,0,255},
textString=
"Target == UndevOne >>>> UNDEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-100,-102},{100,8}},
textColor={0,0,255},
textString="Target == UndevBoth >> UNDEVELOPED fluid flow AND heat transfer at BOTH sides")}),
experiment(StopTime=1.01));
end kc_evenGapOverall;
model kc_evenGapOverall_KC
"Verification of function kc_evenGapOverall_KC"
extends Modelica.Icons.Example;
parameter Integer n=size(cp, 1);
parameter SI.Diameter d_hyd=2*s;
//even gap variables
parameter SI.Length h=0.1
"Height of cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length s=0.05
"Distance between parallel plates in cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length L=1 "Overflowed length of gap"
annotation (Dialog(group="Geometry"));
//fluid property variables
parameter SI.SpecificHeatCapacityAtConstantPressure cp[
:]={1007,4189,3384.550}
"Specific heat capacity at constant pressure of fluid";
parameter SI.DynamicViscosity eta[:]={18.24e-6,
1001.6e-6,0.114} "Dynamic viscosity of fluid";
parameter SI.ThermalConductivity lambda[:]={25.69e-3,
598.5e-3,0.387} "Thermal conductivity of fluid";
parameter SI.Density rho[:]={1.188,998.21,1037.799}
"Density of fluid";
//target variables
//here: mass flow rate as input for normal calculation
/*SI.MassFlowRate mflow_test=input_mflow_0.y;
SI.MassFlowRate m_flow[:]={mflow_test*eta[1]/eta[3],mflow_test*eta[2]/eta[3],
mflow_test} "mass flow rate" annotation (Dialog(group="Input"));
SI.NusseltNumber Nu[n]={kc[i]*d_hyd/lambda[i] for i in 1:n};*/
//here: Nusselt number as input for inverse calculation
SI.NusseltNumber Nu[n]=ones(n)*input_Nu.y;
SI.MassFlowRate m_flow_1[n](start=ones(n)*1e-3);
SI.MassFlowRate m_flow_2[n](start=ones(n)*1e-3);
SI.MassFlowRate m_flow_3[n](start=ones(n)*1e-3);
SI.MassFlowRate m_flow_4[n](start=ones(n)*1e-3);
SI.CoefficientOfHeatTransfer kc_OUT_1[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
SI.CoefficientOfHeatTransfer kc_OUT_2[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
SI.CoefficientOfHeatTransfer kc_OUT_3[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
SI.CoefficientOfHeatTransfer kc_OUT_4[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
//input record
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_1[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevOne)
annotation (Placement(transformation(
extent={{-100,20},{-80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_1[n](
m_flow=m_flow_1,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-80,20},{-60,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_2[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.DevBoth)
annotation (Placement(transformation(
extent={{-50,20},{-30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_2[n](
m_flow=m_flow_2,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{-30,20},{-10,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_3[n](
each h=h,
each s=s,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevOne)
annotation (Placement(transformation(
extent={{10,20},{30,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_3[n](
m_flow=m_flow_3,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{30,20},{50,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_con
m_flow_IN_con_4[n](
each h=0.6,
each s=0.5,
each L=L,
each final target=Modelica.Fluid.Dissipation.Utilities.Types.kc_evenGap.UndevBoth)
annotation (Placement(transformation(
extent={{60,20},{80,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_IN_var
m_flow_IN_var_4[n](
m_flow=m_flow_4,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{80,20},{100,40}})));
SI.ReynoldsNumber Re_1[n]={abs(m_flow_1[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
SI.ReynoldsNumber Re_2[n]={abs(m_flow_2[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
SI.ReynoldsNumber Re_3[n]={abs(m_flow_3[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
SI.ReynoldsNumber Re_4[n]={abs(m_flow_4[i])*d_hyd/(eta[
i]*Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
/*Modelica.Blocks.Sources.Ramp input_mflow(
duration=1000,
height=1000,
offset=0) annotation (Placement(transformation(
extent={{-80,-80},{-60,-60}})));
Modelica.Blocks.Sources.Sine input_mflow_1(amplitude=100, f=1/100)
annotation (Placement(transformation(extent={{
-40,-80},{-20,-60}})));
Modelica.Blocks.Sources.Exponentials input_mflow_2(
outMax=100,
riseTime=1e-1,
riseTimeConst=1e-1) annotation (Placement(
transformation(extent={{0,-80},{20,-60}})));*/
public
Modelica.Blocks.Sources.Ramp input_Nu(
startTime=0,
duration=1,
height=1e4 - 10,
offset=1.1e1) annotation (Placement(
transformation(extent={{50,-80},{70,-60}})));
equation
//heat transfer calculation
kc_OUT_1 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_KC(
m_flow_IN_con_1[i], m_flow_IN_var_1[i]) for i in 1:n};
kc_OUT_2 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_KC(
m_flow_IN_con_2[i], m_flow_IN_var_2[i]) for i in 1:n};
kc_OUT_3 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_KC(
m_flow_IN_con_3[i], m_flow_IN_var_3[i]) for i in 1:n};
kc_OUT_4 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapOverall_KC(
m_flow_IN_con_4[i], m_flow_IN_var_4[i]) for i in 1:n};
annotation (__Dymola_Commands(file=
"modelica://ModelicaTest/Resources/Scripts/Dymola/heatTransfer/channel/kc_evenGapOverall_KC.mos"
"Verification of kc_evenGapOverall_KC"),Diagram(coordinateSystem(
preserveAspectRatio=true, extent={{-100,-100},{100,100}}), graphics={
Text(
extent={{-100,50},{100,75}},
textColor={0,0,255},
textString=
"Heat transfer of EVEN GAP for OVERALL flow regime (inlining)"),
Text(
extent={{-98,-30},{102,-5}},
textColor={0,0,255},
textString=
"here: unintended input variables for creation of nonlinear equations (proof analytical Jacobians)"),
Text(
extent={{-160,7},{40,2}},
textColor={0,0,255},
textString="Target == DevOne "),Text(
extent={{-120,7},{80,2}},
textColor={0,0,255},
textString="Target == DevBoth"),Text(
extent={{-82,7},{118,2}},
textColor={0,0,255},
textString="Target == UndevOne"),Text(
extent={{-40,7},{160,2}},
textColor={0,0,255},
textString="Target == UndevBoth"),Text(
extent={{-100,-104},{100,36}},
textColor={0,0,255},
textString=
"Target == DevOne >>>>>> DEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-100,-104},{100,26}},
textColor={0,0,255},
textString=
"Target == DevBoth >>>> DEVELOPED fluid flow AND heat transfer at BOTH sides"),
Text(
extent={{-100,-104},{100,16}},
textColor={0,0,255},
textString=
"Target == UndevOne >>>> UNDEVELOPED fluid flow AND heat transfer at ONE side"),
Text(
extent={{-100,-104},{100,6}},
textColor={0,0,255},
textString="Target == UndevBoth >> UNDEVELOPED fluid flow AND heat transfer at BOTH sides")}),
experiment(StopTime=1.01));
end kc_evenGapOverall_KC;
model kc_evenGapTurbulent
"Verification of function kc_evenGapTurbulent"
extends Modelica.Icons.Example;
parameter Integer n=size(cp, 1);
parameter SI.Diameter d_hyd=2*s;
SI.Velocity velocity[n]={m_flow[i]/(rho[i]*h*s) for i in
1:n};
//even gap variables
parameter SI.Length h=0.1
"Height of cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length s=0.05
"Distance between parallel plates in cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length L=1 "Overflowed length of gap"
annotation (Dialog(group="Geometry"));
//fluid property variables
parameter SI.SpecificHeatCapacityAtConstantPressure cp[
:]={1007,4189,3384.550}
"Specific heat capacity at constant pressure of fluid";
parameter SI.DynamicViscosity eta[:]={18.24e-6,
1001.6e-6,0.114} "Dynamic viscosity of fluid";
parameter SI.ThermalConductivity lambda[:]={25.69e-3,
598.5e-3,0.387} "Thermal conductivity of fluid";
parameter SI.Density rho[:]={1.188,998.21,1037.799}
"Density of fluid";
//input VARIABLES
//create identical Reynolds number for different fluid properties >> adjustment of mass flow rate
SI.MassFlowRate m_flow[:]={mflow_test*eta[1]/eta[3],
mflow_test*eta[2]/eta[3],mflow_test} "mass flow rate"
annotation (Dialog(group="Input"));
//input record
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_IN_con
m_flow_IN_con_2[n](
each h=h,
each s=s,
each L=L) annotation (Placement(transformation(
extent={{-20,20},{0,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_IN_var
m_flow_IN_var_2[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{0,20},{20,40}})));
//output variables
SI.ReynoldsNumber Re_2[n] "Reynolds number"
annotation (Dialog(group="Output"));
SI.NusseltNumber Nu_2[n] "Nusselt number"
annotation (Dialog(group="Output"));
protected
Real mflow_test=input_mflow_0.y;
public
Modelica.Blocks.Sources.Ramp input_mflow_0(
offset=0,
duration=1,
height=1e4) annotation (Placement(
transformation(extent={{-80,-80},{-60,-60}})));
Modelica.Blocks.Sources.Sine input_mflow_1(amplitude=1e4, f=1)
annotation (Placement(transformation(extent={{
-40,-80},{-20,-60}})));
Modelica.Blocks.Sources.Exponentials input_mflow_2(
riseTime=1e-1,
riseTimeConst=1e-1,
outMax=1e4) annotation ( Placement(
transformation(extent={{0,-80},{20,-60}})));
equation
//heat transfer calculation
for i in 1:n loop
(,,Re_2[i],Nu_2[i],) =
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent(
m_flow_IN_con_2[i], m_flow_IN_var_2[i]);
end for;
annotation (__Dymola_Commands(file=
"modelica://ModelicaTest/Resources/Scripts/Dymola/heatTransfer/channel/kc_evenGapTurbulent.mos"
"Verification of kc_evenGapTurbulent"),Diagram(coordinateSystem(
preserveAspectRatio=true, extent={{-100,-100},{100,100}}), graphics={
Text(
extent={{-100,50},{100,75}},
textColor={0,0,255},
textString="Heat transfer of EVEN GAP for TURBULENT flow regime")}),
experiment(StopTime=1.01));
end kc_evenGapTurbulent;
model kc_evenGapTurbulent_KC
"Verification of function kc_evenGapTurbulent_KC"
extends Modelica.Icons.Example;
parameter Integer n=size(cp, 1);
parameter SI.Diameter d_hyd=2*s;
SI.Velocity velocity[n]={m_flow[i]/(rho[i]*h*s) for i in
1:n};
//even gap variables
parameter SI.Length h=0.1
"Height of cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length s=0.05
"Distance between parallel plates in cross sectional area"
annotation (Dialog(group="Geometry"));
parameter SI.Length L=1 "Overflowed length of gap"
annotation (Dialog(group="Geometry"));
//fluid property variables
parameter SI.SpecificHeatCapacityAtConstantPressure cp[
:]={1007,4189}
"Specific heat capacity at constant pressure of fluid";
parameter SI.DynamicViscosity eta[:]={18.24e-6,
1001.6e-6} "Dynamic viscosity of fluid";
parameter SI.ThermalConductivity lambda[:]={25.69e-3,
598.5e-3} "Thermal conductivity of fluid";
parameter SI.Density rho[:]={1.188,998.21}
"Density of fluid";
//target variables
//here: mass flow rate as input for normal calculation
/*SI.MassFlowRate mflow_test=input_mflow_0.y;
SI.MassFlowRate m_flow[:]={mflow_test*eta[1]/eta[3],mflow_test*eta[2]/eta[3],
mflow_test} "mass flow rate" annotation (Dialog(group="Input"));
SI.NusseltNumber Nu[n]={kc[i]*d_hyd/lambda[i] for i in 1:n};*/
//here: Nusselt number as input for reverse calculation
SI.NusseltNumber Nu[n]=ones(n)*input_Nu.y;
SI.MassFlowRate m_flow[n](start=ones(n)*1e-1);
SI.CoefficientOfHeatTransfer kc_OUT_1[n]={Nu[i]*lambda[
i]/d_hyd for i in 1:n};
//input record
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_IN_con
m_flow_IN_con_1[n](
each h=h,
each s=s,
each L=L) annotation (Placement(transformation(
extent={{-20,20},{0,40}})));
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_IN_var
m_flow_IN_var_1[n](
m_flow=m_flow,
cp=cp,
eta=eta,
lambda=lambda,
rho=rho) annotation (Placement(transformation(
extent={{0,20},{20,40}})));
SI.ReynoldsNumber Re[n]={abs(m_flow[i])*d_hyd/(eta[i]*
Modelica.Constants.pi*d_hyd*d_hyd/4) for i in 1:n};
public
Modelica.Blocks.Sources.Ramp input_Nu(
startTime=0,
duration=1,
offset=600,
height=2e3 - 600)
annotation (Placement(transformation(
extent={{52,-78},{72,-58}})));
equation
//heat transfer calculation
kc_OUT_1 = {
Modelica.Fluid.Dissipation.HeatTransfer.Channel.kc_evenGapTurbulent_KC(
m_flow_IN_con_1[i], m_flow_IN_var_1[i]) for i in 1:n};
annotation (__Dymola_Commands(file=
"modelica://ModelicaTest/Resources/Scripts/Dymola/heatTransfer/channel/kc_evenGapTurbulent_KC.mos"
"Verification of kc_evenGapTurbulent_KC"), Diagram(coordinateSystem(
preserveAspectRatio=true, extent={{-100,-100},{100,100}}), graphics={
Text(