Table 4 Available information on different simulations
Case | Properties | Values/parameters used |
|---|---|---|
Guichard [52] | Y+ (Reduced scale) | 50 |
Building height (m) | 0.1 (1:400) | |
Turbulence model | LES (WALE SGS) | |
Velocity at roof height (m/s) | 7 | |
Turbulence intensity at roof height | 23% | |
Time | 0.55 minutes | |
Time-step | 0.001 seconds | |
Ong et al. [32] | Roughness length (m) | 0.01 (Open terrain) |
Building height (m) | 6 | |
Turbulence model | LES (Smagorinsky) LES (Dynamic K Eqn) DES (Spalart-Allmaras, SA) DES (k − ω SST) | |
Velocity at roof height (m/s) | 5.68 | |
Turbulence intensity at roof height | 20% | |
Time | 25 minutes | |
Time-step | 0.01 seconds | |
Cindori et al. [138] | Terrain type | Sub-urban |
Building height (m) | 0.202 | |
Turbulence model | RANS (k − ϵ) | |
Velocity at roof height (m/s) | 13.48 | |
Turbulence intensity at roof height | 20% | |
Köse et al. [139] | Building height (m) | 6 |
Turbulence model | RANS (Standard k − ϵ) RANS (k − ω SST) ILES (Implicit LES; no SGS model: Cs = 0) | |
Velocity at roof height (m/s) | 9.52 | |
Turbulence intensity at roof height | 20% [45] | |
Cell-count | 1.2 million | |
Time (Averaging) | 2 minutes | |
Time-step | 0.01 seconds |