City Energy Analyst (CEA)

GUIDEBOOK · GLOSSARY

Solar Radiation Analysis

Solar Radiation Analysis

Generated from cea/schemas.yml by scripts/generate_tutorial_glossary.py. Do not hand-edit — re-run the script to refresh.

Files in this category: 4

Files

get_radiation_building
get_radiation_building_sensors
get_radiation_materials
get_radiation_metadata

`get_radiation_building`

Path: outputs/data/solar-radiation/{building}_radiation.csv
File type: csv
Created by: radiation
Used by: demand, photovoltaic, photovoltaic_thermal, solar_collector

Variable	Description	Type	Unit	Values
`Date`	Date and time in hourly steps	date	`NA`	YYYY-MM-DD
`roofs_top_kW`	solar incident on the roof tops	float	`[kWh]`	{0.0…n}
`roofs_top_m2`	roof top area	float	`[m2]`	{0.0…n}
`walls_east_kW`	solar incident on the east facing facades excluding windows	float	`[kWh]`	{0.0…n}
`walls_east_m2`	area of the east facing facades excluding windows	float	`[m2]`	{0.0…n}
`walls_north_kW`	solar incident on the north facing facades excluding windows	float	`[kWh]`	{0.0…n}
`walls_north_m2`	area of the north facing facades excluding windows	float	`[m2]`	{0.0…n}
`walls_south_kW`	solar incident on the south facing facades excluding windows	float	`[kWh]`	{0.0…n}
`walls_south_m2`	area of the south facing facades excluding windows	float	`[m2]`	{0.0…n}
`walls_west_kW`	solar incident on the west facing facades excluding windows	float	`[kWh]`	{0.0…n}
`walls_west_m2`	area of the south facing facades excluding windows	float	`[m2]`	{0.0…n}
`windows_east_kW`	solar incident on windows on the south facing facades	float	`[kWh]`	{0.0…n}
`windows_east_m2`	window area on the east facing facades	float	`[m2]`	{0.0…n}
`windows_north_kW`	solar incident on windows on the south facing facades	float	`[kWh]`	{0.0…n}
`windows_north_m2`	window area on the north facing facades	float	`[m2]`	{0.0…n}
`windows_south_kW`	solar incident on windows on the south facing facades	float	`[kWh]`	{0.0…n}
`windows_south_m2`	window area on the south facing facades	float	`[m2]`	{0.0…n}
`windows_west_kW`	solar incident on windows on the west facing facades	float	`[kWh]`	{0.0…n}
`windows_west_m2`	window area on the west facing facades	float	`[m2]`	{0.0…n}

`get_radiation_building_sensors`

Path: outputs/data/solar-radiation/B001_insolation_Whm2.json
File type: json
Created by: radiation
Used by: demand, photovoltaic, photovoltaic_thermal, solar_collector

Variable	Description	Type	Unit	Values
`srf0`	TODO	float	`TODO`	{n…n}

`get_radiation_materials`

Path: outputs/data/solar-radiation/buidling_materials.csv
File type: csv
Created by: radiation
Used by: (none)

Variable	Description	Type	Unit	Values
`G_win`	Solar heat gain coefficient. Defined according to ISO 13790.	float	`[-]`	{0.0…1.0}
`name`	Unique building ID. It must start with a letter.	string	`NA`	alphanumeric
`r_roof`	Reflectance in the Red spectrum. Defined according Radiance. (long-wave)	float	`[-]`	{0.0…n}
`r_wall`	Reflectance in the Red spectrum. Defined according Radiance. (long-wave)	float	`[-]`	{0.0…n}
`type_base`	Basement floor construction assembly (relates to “code” in ENVELOPE assemblies)	string	`NA`	alphanumeric
`type_floor`	Internal floor construction assembly (relates to “code” in ENVELOPE assemblies)	string	`NA`	alphanumeric
`type_roof`	Roof construction assembly (relates to “code” in ENVELOPE assemblies)	string	`NA`	alphanumeric
`type_wall`	External wall construction assembly (relates to “code” in ENVELOPE assemblies)	string	`NA`	alphanumeric
`type_win`	Window assembly (relates to “code” in ENVELOPE assemblies)	string	`NA`	alphanumeric

`get_radiation_metadata`

Path: outputs/data/solar-radiation/B001_geometry.csv
File type: csv
Created by: radiation
Used by: demand, photovoltaic, photovoltaic_thermal, solar_collector

Variable	Description	Type	Unit	Values
`AREA_m2`	Surface area.	float	`[m2]`	{0.0…n}
`BUILDING`	Unique building ID. It must start with a letter.	string	`NA`	alphanumeric
`intersection`	flag to indicate whether this surface is intersecting with another surface (0: no intersection, 1: intersected)	float	`[-]`	{0, 1}
`orientation`	Orientation of the surface (north/east/south/west/top)	string	`NA`	{north, east, west, south, top}
`SURFACE`	Unique surface ID for each building exterior surface.	string	`NA`	alphanumeric
`TYPE`	Surface typology.	string	`NA`	{walls, windows, roofs}
`Xcoor`	Describes the position of the x vector.	float	`[-]`	{0.0…n}
`Xdir`	Directional scalar of the x vector.	float	`[-]`	{-1.0…1.0}
`Ycoor`	Describes the position of the y vector.	float	`[-]`	{0.0…n}
`Ydir`	Directional scalar of the y vector.	float	`[-]`	{-1.0…1.0}
`Zcoor`	Describes the position of the z vector.	float	`[-]`	{0.0…n}
`Zdir`	Directional scalar of the z vector.	float	`[-]`	{-1.0…1.0}

← User Inputs | Glossary index | Renewable Energy Potential Assessment →

Source: view raw on GitHub ↗