Buildings.Rooms.FLEXLAB.Data.Constructions.OpaqueConstructions.Roofs

Information

This package contains models of roofs found in the LBNL User Facility.

Package Content

Name	Description
ASHRAE_901_1975Roof	Construction model for a roof minimally compliant with ASHRAE 90.1-1975. Used in test cells X1A and X1B
ASHRAE_901_2010Roof	Construction model for a roof minimally compliant with ASHRAE 90.1-2010. Used in test cells X3A, X3B, and XRA
CA_T24_2013Roof	Construction model for a roof minimally compliant with CA Title 24-2013. Used in test cells X2A and X2B

Buildings.Rooms.FLEXLAB.Data.Constructions.OpaqueConstructions.Roofs.ASHRAE_901_1975Roof

Information

This is a model of a roof which is minimally compliant with ASHRAE 90.1-1975. It is used to model the roof in test bed X1.

This model is not currently completed. For more information see the future work list at Buildings.Rooms.FLEXLAB.UsersGuide.

Parameters

Type	Name	Default	Description
Integer	nLay	3	Number of layers
Material	material[nLay]	{Buildings.HeatTransfer.Data...	Layer by layer declaration of material, starting from outside to room-side
Emissivity	absIR_a	0.9	Infrared absorptivity of surface a (usually outside-facing surface) [1]
Emissivity	absIR_b	0.9	Infrared absorptivity of surface b (usually room-facing surface) [1]
Emissivity	absSol_a	0.5	Solar absorptivity of surface a (usually outside-facing surface) [1]
Emissivity	absSol_b	0.5	Solar absorptivity of surface b (usually room-facing surface) [1]
SurfaceRoughness	roughness_a	Buildings.HeatTransfer.Types...	Exterior surface roughness

Modelica definition

record ASHRAE_901_1975Roof =
  Buildings.HeatTransfer.Data.OpaqueConstructions.Generic(final material={
    Buildings.HeatTransfer.Data.Solids.GypsumBoard(x=0.016),
    Buildings.HeatTransfer.Data.Solids.InsulationBoard(x=0.09652),
    Buildings.HeatTransfer.Data.Solids.Plywood(x=0.0127)},
    final nLay=3) "Construction model for a roof minimally compliant with ASHRAE 90.1-1975. 
      Used in test cells X1A and X1B";

Buildings.Rooms.FLEXLAB.Data.Constructions.OpaqueConstructions.Roofs.ASHRAE_901_2010Roof

Information

This is a model of a roof which is minimally compliant with ASHRAE 90.1-2010. It is used in the bed X3 and test cell XRA.

Note: This model is currently a work in progress. For more information see the documentation available at Buildings.Rooms.FLEXLAB.UsersGuide.

Parameters

Type	Name	Default	Description
Integer	nLay	3	Number of layers
Material	material[nLay]	{Buildings.HeatTransfer.Data...	Layer by layer declaration of material, starting from outside to room-side
Emissivity	absIR_a	0.9	Infrared absorptivity of surface a (usually outside-facing surface) [1]
Emissivity	absIR_b	0.9	Infrared absorptivity of surface b (usually room-facing surface) [1]
Emissivity	absSol_a	0.5	Solar absorptivity of surface a (usually outside-facing surface) [1]
Emissivity	absSol_b	0.5	Solar absorptivity of surface b (usually room-facing surface) [1]
SurfaceRoughness	roughness_a	Buildings.HeatTransfer.Types...	Exterior surface roughness

Modelica definition

record ASHRAE_901_2010Roof =
  Buildings.HeatTransfer.Data.OpaqueConstructions.Generic(final material={
    Buildings.HeatTransfer.Data.Solids.GypsumBoard(x=0.016),
    Buildings.HeatTransfer.Data.Solids.InsulationBoard(x=0.1016),
    Buildings.HeatTransfer.Data.Solids.Plywood(x=0.0127)},
    final nLay=3) "Construction model for a roof minimally compliant with ASHRAE 
    90.1-2010. Used in test cells X3A, X3B, and XRA";

Buildings.Rooms.FLEXLAB.Data.Constructions.OpaqueConstructions.Roofs.CA_T24_2013Roof

Information

This is a model of a roof construction which is minimally compliant with CA Title 24-2013. It is used in test bed 90X2.

Note: This model is currently a work in progress. For more information see the documentation available at Buildings.Rooms.FLEXLAB.UsersGuide.

Parameters

Type	Name	Default	Description
Integer	nLay	3	Number of layers
Material	material[nLay]	{Buildings.HeatTransfer.Data...	Layer by layer declaration of material, starting from outside to room-side
Emissivity	absIR_a	0.9	Infrared absorptivity of surface a (usually outside-facing surface) [1]
Emissivity	absIR_b	0.9	Infrared absorptivity of surface b (usually room-facing surface) [1]
Emissivity	absSol_a	0.5	Solar absorptivity of surface a (usually outside-facing surface) [1]
Emissivity	absSol_b	0.5	Solar absorptivity of surface b (usually room-facing surface) [1]
SurfaceRoughness	roughness_a	Buildings.HeatTransfer.Types...	Exterior surface roughness

Modelica definition

record CA_T24_2013Roof =
  Buildings.HeatTransfer.Data.OpaqueConstructions.Generic(final material={
    Buildings.HeatTransfer.Data.Solids.GypsumBoard(x=0.016),
    Buildings.HeatTransfer.Data.Solids.InsulationBoard(x=0.1016),
    Buildings.HeatTransfer.Data.Solids.Plywood(x=0.0127)},
    final nLay=3) "Construction model for a roof minimally compliant with CA Title 24-2013. 
      Used in test cells X2A and X2B";