Urban Canyon Simulation

Interactive parameter exploration for street canyon pollution, traffic dynamics, and mean field game equilibrium. Adjust any parameter and see metrics update live.

Canyon

Building Height H20 m
Street Width W15 m
Canyon Length L200 m
Wall Roughness z₀0.5 m
α = H/W = 1.33→Skimming flow

Canyon Cross-Section

3 m/sH = 20mW = 15mSkimming flow

Canyon Metrics

α1.33
RegimeSkimming flow
u_H3.0 m/s
u_vortex0.013 m/s
τ_vent1250 s

Traffic Metrics

Capacity1875 veh/h
Load43%
Effective NOx0.092 g/km

Pollution Metrics

C_direct2.8 μg/m³
C_recirc3.8 μg/m³
C_total21.6 μg/m³
WHO margin46%

WHO Guideline

WHO 40
021.6 \u03BCg/m\u00B380

Parameters