Theory and Modern Applications
Table 1 Nomenclature
From: Effects of the wind speeds on heat transfer in a street canyon with a skytrain station
Variable | Explanation and unit |
|---|---|
\(U_{\mathrm{ref}}\) | reference velocity scale (km/h) |
\(\textbf{u}_{\mathrm{tang}}\) | shear velocity (km/h) |
\(I_{T}\) | turbulent intensity (dimensionless) |
\(L_{T}\) | turbulence length scale (m) |
\(P_{k}\) | turbulent kinetic energy production (s) |
\(C_{p}\) | specific heat capacity (J/(kg ⋅ k)) |
ρ | air density (kg/m3) |
t | time (s) |
μ | dynamics viscosity (Pa ⋅ s) |
\(\mu _{T}\) | kinematic dynamics viscosity (m2/s) |
F | buoyant force (N) |
q | heat flux (W/m2) |
\(q_{0}\) | inward heat flux (W/m2) |
h | heat transfer coefficient (W/m2K) |
\(k_{T}\) | turbulent thermal conductivity (W/(m ⋅ K)) |