Output Files: Buildings Dynamic data (_BLDG_)

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Dimension Nr Variables Format
3D-Facade 50 Binary (EDX/EDT)

Building Data

Contains the state of the 3D buildings for dynamic dta such as facade temperature or heat fluxes. It also includes information of the facade/ roof greeining system if existing. Data are stored in a 3D field with a data triple for X- , Y- and Z-Walls in each cell.

The Building data files are produced each main output interval (default: 60 min) and represent the general state of the building at the given model time. The dynamic output is only written in the full versions of ENVI-met (not in LITE).

Variable list

This list represents the general variable structure. The actual sequence of the variables might differ but the same information is stored in total.

Wall

Variable Unit Description
Wall shading flag - Information whether your facade element receives direct radiation or not
Temperature Node 1/ outside °C Temperature of the material outside
Temperature Node 2 °C Temperature of the material at node 2
Temperature Node 3 °C Temperature of the material at node 3
Temperature Node 4 °C Temperature of the material at node 4
Temperature Node 5 °C Temperature of the material at node 5
Temperature Node 6 °C Temperature of the material at node 6
Temperature Node 7/ inside °C Temperature of the material inside
Longwave radiation emitted by facade W/m² Amount of longwave radiation that gets emitted by the facade
Wind Speed in front of facade m/s Wind speed, vector sum over all 3 axis
Air Temperature in front of facade °C Potential air temperature in the atmosphere in front of the facade
Shortwave radiation received at facade W/m² Total amount of shortwave radiation received at the facade
Absorbed direct shortwave radiation W/m² Amount of direct shortwave radiation that gets absorbed by the facade
Incoming longwave radiation W/m² Amount of longwave radiation that hits the facade
Reflected shortwave radiation facade W/m² Amount of reflected shortwave radiation that hits the facade
Sensible Heat transmission coefficient outside W/m²K Sensible Heat transmission coefficient at the outside of the building
Longwave Energy Balance W/m²

Building

Variable Unit Description
Sum Humidity Flux at facade g/sm³
Temperature of building (inside) °C
Reflected shortwave radiation W/m²
Longwave radiation emitted W/m²

Greening

Variable Unit Description
Temperature Leafs °C
Air Temperature Canopy °C
Air Humidity Canopy g/kg
Longwave radiation emitted (two-side) W/m²
Wind Speed in front of greening m/s
Air Temperature in front of greening °C
Shortwave radiation received at greening W/m²
Incoming longwave radiation (two-side) W/m²
Reflected shortwave radiation W/m²
Transpiration Flux g/sm³
Stomata Resistance s/m
Water access factor -

Substrate

Variable Unit Description
Temperature Node 1/ outside °C
Temperature Node 2 °C
Temperature Node 3 °C
Temperature Node 4 °C
Temperature Node 5 °C
Temperature Node 6 °C
Temperature Node 7/ inside °C
Surface humidity g/kg
Humidity Flux at substrate g/sm³
Longwave radiation emitted by substrate W/m²
Wind Speed in front of substrate m/s
Air Temperature in front of substrate °C
Shortwave radiation received at substrate W/m²
Absorbed direct shortwave radiation W/m²
Incoming longwave radiation W/m²
Reflected shortwave radiation substrate W/m²
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