LBL logo

Buildings.HeatTransfer.Data.Solids

Package with solid material, characterized by thermal conductance, density and specific heat capacity

Information

Package with records for solid materials. The material is characterized by its thermal conductivity, mass density and specific heat capacity.

Extends from Modelica.Icons.MaterialPropertiesPackage (Icon for package containing property classes).

Package Content

NameDescription
Buildings.HeatTransfer.Data.Solids.Generic Generic Thermal properties of solids with heat storage
Buildings.HeatTransfer.Data.Solids.Brick Brick Brick (k=0.89)
Buildings.HeatTransfer.Data.Solids.Concrete Concrete Concrete (k=1.4)
Buildings.HeatTransfer.Data.Solids.InsulationBoard InsulationBoard Insulation board (k=0.03)
Buildings.HeatTransfer.Data.Solids.GypsumBoard GypsumBoard Gypsum board (k=0.58)
Buildings.HeatTransfer.Data.Solids.Plywood Plywood Plywood (k=0.12)


Buildings.HeatTransfer.Data.Solids.Generic Buildings.HeatTransfer.Data.Solids.Generic

Thermal properties of solids with heat storage

Information

Generic record for solid materials. The material is characterized by its thermal conductivity, mass density and specific heat capacity.

Extends from Buildings.HeatTransfer.Data.BaseClasses.Material (Thermal properties of materials w/o storage).

Parameters

TypeNameDefaultDescription
Lengthx Material thickness [m]
ThermalConductivityk Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc Specific heat capacity [J/(kg.K)]
Densityd Mass density [kg/m3]
RealRx/kThermal resistance of a unit area of material [m2.K/W]
IntegernStaRef3Number of state variables in a reference material of 0.2 m concrete
BooleansteadyState(c == 0 or d == 0)Flag, if true, then material is computed using steady-state heat conduction
Advanced
IntegernStamax(1, integer(ceil(nStaReal...Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record Generic "Thermal properties of solids with heat storage"
    extends Buildings.HeatTransfer.Data.BaseClasses.Material(final R=x/k);
end Generic;

Buildings.HeatTransfer.Data.Solids.Brick Buildings.HeatTransfer.Data.Solids.Brick

Brick (k=0.89)

Parameters

TypeNameDefaultDescription
Lengthx Material thickness [m]
ThermalConductivityk0.89Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc790Specific heat capacity [J/(kg.K)]
Densityd1920Mass density [kg/m3]
IntegernStaRef3Number of state variables in a reference material of 0.2 m concrete
BooleansteadyState(c == 0 or d == 0)Flag, if true, then material is computed using steady-state heat conduction
Advanced
IntegernStamax(1, integer(ceil(nStaReal...Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record Brick = Buildings.HeatTransfer.Data.Solids.Generic (
    k=0.89,
    d=1920,
    c=790) "Brick (k=0.89)";

Buildings.HeatTransfer.Data.Solids.Concrete Buildings.HeatTransfer.Data.Solids.Concrete

Concrete (k=1.4)

Parameters

TypeNameDefaultDescription
Lengthx Material thickness [m]
ThermalConductivityk1.4Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc840Specific heat capacity [J/(kg.K)]
Densityd2240Mass density [kg/m3]
IntegernStaRef3Number of state variables in a reference material of 0.2 m concrete
BooleansteadyState(c == 0 or d == 0)Flag, if true, then material is computed using steady-state heat conduction
Advanced
IntegernStamax(1, integer(ceil(nStaReal...Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record Concrete = Buildings.HeatTransfer.Data.Solids.Generic (
    k=1.4,
    d=2240,
    c=840) "Concrete (k=1.4)";

Buildings.HeatTransfer.Data.Solids.InsulationBoard Buildings.HeatTransfer.Data.Solids.InsulationBoard

Insulation board (k=0.03)

Parameters

TypeNameDefaultDescription
Lengthx Material thickness [m]
ThermalConductivityk0.03Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc1200Specific heat capacity [J/(kg.K)]
Densityd40Mass density [kg/m3]
IntegernStaRef3Number of state variables in a reference material of 0.2 m concrete
BooleansteadyState(c == 0 or d == 0)Flag, if true, then material is computed using steady-state heat conduction
Advanced
IntegernStamax(1, integer(ceil(nStaReal...Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record InsulationBoard = Buildings.HeatTransfer.Data.Solids.Generic (
    k=0.03,
    d=40,
    c=1200) "Insulation board (k=0.03)";

Buildings.HeatTransfer.Data.Solids.GypsumBoard Buildings.HeatTransfer.Data.Solids.GypsumBoard

Gypsum board (k=0.58)

Parameters

TypeNameDefaultDescription
Lengthx Material thickness [m]
ThermalConductivityk0.16Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc1090Specific heat capacity [J/(kg.K)]
Densityd800Mass density [kg/m3]
IntegernStaRef3Number of state variables in a reference material of 0.2 m concrete
BooleansteadyState(c == 0 or d == 0)Flag, if true, then material is computed using steady-state heat conduction
Advanced
IntegernStamax(1, integer(ceil(nStaReal...Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record GypsumBoard = Buildings.HeatTransfer.Data.Solids.Generic (
    k=0.16,
    d=800,
    c=1090) "Gypsum board (k=0.58)";

Buildings.HeatTransfer.Data.Solids.Plywood Buildings.HeatTransfer.Data.Solids.Plywood

Plywood (k=0.12)

Parameters

TypeNameDefaultDescription
Lengthx Material thickness [m]
ThermalConductivityk0.12Thermal conductivity [W/(m.K)]
SpecificHeatCapacityc1210Specific heat capacity [J/(kg.K)]
Densityd540Mass density [kg/m3]
IntegernStaRef3Number of state variables in a reference material of 0.2 m concrete
BooleansteadyState(c == 0 or d == 0)Flag, if true, then material is computed using steady-state heat conduction
Advanced
IntegernStamax(1, integer(ceil(nStaReal...Actual number of state variables in material
RealpiRef331.4Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
RealpiMatif steadyState then piRef el...Ratio x/sqrt(alpha)
RealnStaRealnStaRef*piMat/piRefNumber of states as a real number

Modelica definition

record Plywood = Buildings.HeatTransfer.Data.Solids.Generic (
    k=0.12,
    d=540,
    c=1210) "Plywood (k=0.12)";

Automatically generated Thu Jul 26 10:22:22 2012.