Buildings.Fluid.SolarCollectors.BaseClasses.Examples

Information

This package contains examples for the use of models that can be found in Buildings.Fluid.SolarCollectors.BaseClasses.

Package Content

Name	Description
ASHRAEHeatLoss	Example showing the use of ASHRAEHeatLoss
ASHRAESolarGain	Example showing the use of ASHRAESolarGain
EN12975HeatLoss	Example showing the use of EN12975HeatLoss
EN12975SolarGain	Example showing the use of EN12975SolarGain

Buildings.Fluid.SolarCollectors.BaseClasses.Examples.ASHRAEHeatLoss

Information

This examples demonstrates the implementation of Buildings.Fluid.SolarCollectors.BaseClasses.ASHRAEHeatLoss.

Parameters

Type	Name	Default	Description
GenericSolarCollector	per	Buildings.Fluid.SolarCollect...	Performance data

Modelica definition

model ASHRAEHeatLoss "Example showing the use of ASHRAEHeatLoss"
  extends Modelica.Icons.Example;
  parameter Buildings.Fluid.SolarCollectors.Data.GenericSolarCollector per=
    Buildings.Fluid.SolarCollectors.Data.GlazedFlatPlate.FP_SolahartKf() 
    "Performance data";
  inner Modelica.Fluid.System system(p_ambient=101325);
  Modelica.Blocks.Sources.Sine TEnv(
    freqHz=0.01,
    offset=273.15 + 10,
    amplitude=7.5) "Temperature of the surrounding environment";
  Modelica.Blocks.Sources.Sine T1(
    freqHz=0.1,
    amplitude=15,
    offset=273.15 + 10) "Temperature in the first segment";
  Modelica.Blocks.Sources.Sine T2(
    freqHz=0.1,
    amplitude=15,
    offset=273.15 + 15) "Temperature in the second segment";
  Modelica.Blocks.Sources.Sine T3(
    freqHz=0.1,
    amplitude=15,
    offset=273.15 + 20) "Temperature in the third segment";
  Buildings.Fluid.SolarCollectors.BaseClasses.ASHRAEHeatLoss heaLos(
    nSeg=3,
    m_flow_nominal=per.mperA_flow_nominal*per.A,
    redeclare package Medium = Buildings.Media.ConstantPropertyLiquidWater,
    G_nominal=per.G_nominal,
    dT_nominal=per.dT_nominal,
    A_c=per.A,
    y_intercept=per.y_intercept,
    slope=per.slope) "Heat loss model using ASHRAE93 calculations";
equation 
  connect(TEnv.y, heaLos.TEnv);
  connect(T3.y, heaLos.TFlu[3]);
  connect(T2.y, heaLos.TFlu[2]);
  connect(T1.y, heaLos.TFlu[1]);
end ASHRAEHeatLoss;

Buildings.Fluid.SolarCollectors.BaseClasses.Examples.ASHRAESolarGain

Information

This examples demonstrates the implementation of Buildings.Fluid.SolarCollectors.BaseClasses.ASHRAESolarGain.

Parameters

Type	Name	Default	Description
GenericSolarCollector	per	Buildings.Fluid.SolarCollect...	Performance data

Modelica definition

model ASHRAESolarGain "Example showing the use of ASHRAESolarGain"
  extends Modelica.Icons.Example;
  parameter Buildings.Fluid.SolarCollectors.Data.GenericSolarCollector per=
    Buildings.Fluid.SolarCollectors.Data.GlazedFlatPlate.FP_ThermaLiteHS20() 
    "Performance data";
  inner Modelica.Fluid.System system(p_ambient=101325);
  Buildings.Fluid.SolarCollectors.BaseClasses.ASHRAESolarGain   solHeaGai(
    nSeg=3,
    shaCoe=0,
    use_shaCoe_in=true,
    A_c=per.A,
    y_intercept=per.y_intercept,
    B0=per.B0,
    B1=per.B1,
    redeclare package Medium = Buildings.Media.ConstantPropertyLiquidWater,
    til=0.78539816339745) "Solar heat gain model using ASHRAE 93 calculations";
  Modelica.Blocks.Sources.Sine     HGroDifTil(
    amplitude=50,
    freqHz=4/86400,
    offset=100) "Diffuse radiation from the ground, tilted surface";
  Modelica.Blocks.Sources.Ramp incAng(duration=86400, height=60*(2*Modelica.Constants.pi
        /360)) "Incidence angle";
  Modelica.Blocks.Sources.Sine HDirTil(
    offset=400,
    amplitude=300,
    freqHz=2/86400) "Direct beam radiation, tilted surface";
  Modelica.Blocks.Sources.Sine HSkyDifTil(
    freqHz=1/86400,
    amplitude=100,
    offset=100) "Diffuse radiation, tilted surface";
  Modelica.Blocks.Sources.Ramp shaCoe(
    height=-1,
    duration=86400,
    offset=1) "Shading coefficient";
  Modelica.Blocks.Sources.Sine T3(
    freqHz=2/86400,
    amplitude=50,
    offset=273.15 + 110);
  Modelica.Blocks.Sources.Sine T2(
    freqHz=2/86400,
    amplitude=50,
    offset=273.15 + 100);
  Modelica.Blocks.Sources.Sine T1(
    freqHz=2/86400,
    amplitude=50,
    offset=273.15 + 90);
equation 
  connect(HGroDifTil.y, solHeaGai.HGroDifTil);
  connect(shaCoe.y, solHeaGai.shaCoe_in);
  connect(incAng.y, solHeaGai.incAng);
  connect(HDirTil.y, solHeaGai.HDirTil);
  connect(HSkyDifTil.y, solHeaGai.HSkyDifTil);
  connect(T3.y, solHeaGai.TFlu[3]);
  connect(T2.y, solHeaGai.TFlu[2]);
  connect(T1.y, solHeaGai.TFlu[1]);
end ASHRAESolarGain;

Buildings.Fluid.SolarCollectors.BaseClasses.Examples.EN12975HeatLoss

Information

This examples demonstrates the implementation of Buildings.Fluid.SolarCollectors.BaseClasses.EN12975HeatLoss.

Parameters

Type	Name	Default	Description
GenericSolarCollector	per	Buildings.Fluid.SolarCollect...	Performance data

Modelica definition

model EN12975HeatLoss "Example showing the use of EN12975HeatLoss"
  extends Modelica.Icons.Example;
  parameter Buildings.Fluid.SolarCollectors.Data.GenericSolarCollector per=
    Buildings.Fluid.SolarCollectors.Data.Concentrating.C_VerificationModel() 
    "Performance data";
  Modelica.Blocks.Sources.Sine TEnv(
    freqHz=0.01,
    offset=273.15 + 10,
    amplitude=15) "Temperature of the surrounding environment";
  Modelica.Blocks.Sources.Sine T1(
    amplitude=15,
    freqHz=0.1,
    offset=273.15 + 10) "Temperature of the first segment";
  Modelica.Blocks.Sources.Sine T2(
    freqHz=0.1,
    amplitude=15,
    offset=273.15 + 15) "Temperature of the second segment";
  Modelica.Blocks.Sources.Sine T3(
    freqHz=0.1,
    amplitude=15,
    offset=273.15 + 20) "Temperature of the third segment";
  Buildings.Fluid.SolarCollectors.BaseClasses.EN12975HeatLoss heaLos(
    nSeg=3,
    redeclare package Medium = Buildings.Media.ConstantPropertyLiquidWater,
    C1=per.C1,
    C2=per.C2,
    m_flow_nominal=per.mperA_flow_nominal*per.A,
    G_nominal=per.G_nominal,
    dT_nominal=per.dT_nominal,
    A_c=per.A,
    y_intercept=per.y_intercept) "Heat loss model using EN12975 calculations";
  inner Modelica.Fluid.System system;
equation 
  connect(TEnv.y, heaLos.TEnv);
  connect(T3.y, heaLos.TFlu[3]);
  connect(T2.y, heaLos.TFlu[2]);
  connect(T1.y, heaLos.TFlu[1]);
end EN12975HeatLoss;

Buildings.Fluid.SolarCollectors.BaseClasses.Examples.EN12975SolarGain

Information

This examples demonstrates the implementation of Buildings.Fluid.SolarCollectors.BaseClasses.EN12975SolarGain.

Parameters

Type	Name	Default	Description
GenericSolarCollector	per	Buildings.Fluid.SolarCollect...	Performance data

Modelica definition

model EN12975SolarGain "Example showing the use of EN12975SolarGain"
  extends Modelica.Icons.Example;
  parameter Buildings.Fluid.SolarCollectors.Data.GenericSolarCollector per=
    Buildings.Fluid.SolarCollectors.Data.Concentrating.C_VerificationModel() 
    "Performance data";
  inner Modelica.Fluid.System system(p_ambient=101325);
  Buildings.Fluid.SolarCollectors.BaseClasses.EN12975SolarGain solHeaGai(
    B0=per.B0,
    B1=per.B1,
    y_intercept=per.y_intercept,
    nSeg=3,
    A_c=per.A,
    iamDiff=per.IAMDiff,
    shaCoe=0,
    use_shaCoe_in=true,
    redeclare package Medium = Buildings.Media.ConstantPropertyLiquidWater) 
    "Solar heat gain model using EN12975 calculations";
  Modelica.Blocks.Sources.Ramp incAng(duration=86400,
    height=60*(2*Modelica.Constants.pi/360)) "Incidence angle";
  Modelica.Blocks.Sources.Sine HDirTil(
    offset=400,
    amplitude=300,
    freqHz=2/86400) "Direct beam radiation, tilted surface";
  Modelica.Blocks.Sources.Sine HDifTil(
    amplitude=200,
    freqHz=1/86400,
    offset=300) "Diffuse radiation, tilted surface";
  Modelica.Blocks.Sources.Ramp shaCoe(
    duration=86400,
    offset=1,
    height=-1) "Shading coefficient";
  Modelica.Blocks.Sources.Sine T3(
    freqHz=2/86400,
    amplitude=50,
    offset=273.15 + 110);
  Modelica.Blocks.Sources.Sine T2(
    freqHz=2/86400,
    amplitude=50,
    offset=273.15 + 100);
  Modelica.Blocks.Sources.Sine T1(
    freqHz=2/86400,
    amplitude=50,
    offset=273.15 + 90);
equation 
  connect(incAng.y, solHeaGai.incAng);
  connect(shaCoe.y, solHeaGai.shaCoe_in);
  connect(HDirTil.y, solHeaGai.HDirTil);
  connect(HDifTil.y, solHeaGai.HSkyDifTil);
  connect(T3.y, solHeaGai.TFlu[3]);
  connect(T2.y, solHeaGai.TFlu[2]);
  connect(T1.y, solHeaGai.TFlu[1]);
end EN12975SolarGain;