Description: "Roof constructions commonly found in FLEXLAB test cells"

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

Roof constructions commonly found in FLEXLAB test cells

### Information

This package contains models of roofs found in the LBNL FLEXLAB facility.

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

### 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

Construction model for a roof minimally compliant with ASHRAE 90.1-1975. Used in test cells X1A and X1B

### 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.

Extends from Buildings.HeatTransfer.Data.OpaqueConstructions.Generic (Thermal properties of opaque constructions).

### 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

Construction model for a roof minimally compliant with ASHRAE 90.1-2010. Used in test cells X3A, X3B, and XRA

### 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.

Extends from Buildings.HeatTransfer.Data.OpaqueConstructions.Generic (Thermal properties of opaque constructions).

### 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

Construction model for a roof minimally compliant with CA Title 24-2013. Used in test cells X2A and X2B

### 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.

Extends from Buildings.HeatTransfer.Data.OpaqueConstructions.Generic (Thermal properties of opaque constructions).

### 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";