Table 1.
The details and settings of the validation model
Software and version | ENVI-Met 4.4 |
Computation domain | 124 × 192 × 121 m |
Basic cell size | 2 × 2 × 2 m (dx, dy, dz) |
Mesh growth rate | 20% on the vertical direction starting from 25 m |
Number of grid cells | 62 × 96 × 25 (W x L x H) |
Near-ground grid cells | Divided into five sub-cells |
Topography | Included; lowered model ground to -4 m at some parts of the domain |
Simulation site | Weimar, Germany, 50°58′55"N 11°19′20"E |
Weather data (air temperature, wind speed, and wind direction) | Weather station of the Department of Building Physics, Bauhaus-University Weimar |
Weather data (relative humidity) | Weather station of the Thuringia Department of Environment, Mining, and Nature Protection |
Weather data (longwave radiation, direct shortwave radiation, and diffuse shortwave radiation) | Default location-specific values provided by ENVI-met |
Lateral boundaries setup | Full forcing; 30 min time steps at the inflow |
Indoor conditions | Constant, 20 °C |
Simulation time step | 2 s at the initialization 1 s throughout the rest of the simulation time |
Simulation time span | 8 am to 6:30 pm on 18.11.2020, 24.11.2020, 27.11.2020, and 01.12.2020 |
Data output | 15 min interval |
Turbulence model | E-epsilon 1.5 order turbulence closure |