Buildings.HeatTransfer.Data.Solids

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

Name	Description
Generic	Thermal properties of solids with heat storage
Brick	Brick (k=0.89)
Concrete	Concrete (k=1.4)
InsulationBoard	Insulation board (k=0.03)
GypsumBoard	Gypsum board (k=0.58)
Plywood	Plywood (k=0.12)

Buildings.HeatTransfer.Data.Solids.Generic

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

Type	Name	Default	Description
Length	x		Material thickness [m]
ThermalConductivity	k		Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c		Specific heat capacity [J/(kg.K)]
Density	d		Mass density [kg/m3]
Real	R	x/k	Thermal resistance of a unit area of material [m2.K/W]
Integer	nStaRef	3	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	(c == 0 or d == 0)	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	max(1, integer(ceil(nStaReal...	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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

Parameters

Type	Name	Default	Description
Length	x		Material thickness [m]
ThermalConductivity	k	0.89	Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c	790	Specific heat capacity [J/(kg.K)]
Density	d	1920	Mass density [kg/m3]
Integer	nStaRef	3	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	(c == 0 or d == 0)	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	max(1, integer(ceil(nStaReal...	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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

Parameters

Type	Name	Default	Description
Length	x		Material thickness [m]
ThermalConductivity	k	1.4	Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c	840	Specific heat capacity [J/(kg.K)]
Density	d	2240	Mass density [kg/m3]
Integer	nStaRef	3	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	(c == 0 or d == 0)	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	max(1, integer(ceil(nStaReal...	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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

Parameters

Type	Name	Default	Description
Length	x		Material thickness [m]
ThermalConductivity	k	0.03	Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c	1200	Specific heat capacity [J/(kg.K)]
Density	d	40	Mass density [kg/m3]
Integer	nStaRef	3	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	(c == 0 or d == 0)	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	max(1, integer(ceil(nStaReal...	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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

Parameters

Type	Name	Default	Description
Length	x		Material thickness [m]
ThermalConductivity	k	0.16	Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c	1090	Specific heat capacity [J/(kg.K)]
Density	d	800	Mass density [kg/m3]
Integer	nStaRef	3	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	(c == 0 or d == 0)	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	max(1, integer(ceil(nStaReal...	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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

Parameters

Type	Name	Default	Description
Length	x		Material thickness [m]
ThermalConductivity	k	0.12	Thermal conductivity [W/(m.K)]
SpecificHeatCapacity	c	1210	Specific heat capacity [J/(kg.K)]
Density	d	540	Mass density [kg/m3]
Integer	nStaRef	3	Number of state variables in a reference material of 0.2 m concrete
Boolean	steadyState	(c == 0 or d == 0)	Flag, if true, then material is computed using steady-state heat conduction
Advanced
Integer	nSta	max(1, integer(ceil(nStaReal...	Actual number of state variables in material
Real	piRef	331.4	Ratio x/sqrt(alpha) for reference material of 0.2 m concrete
Real	piMat	if steadyState then piRef el...	Ratio x/sqrt(alpha)
Real	nStaReal	nStaRef*piMat/piRef	Number 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)";