Wind Tunnel Measurement of Turbulent and Advective Scalar Fluxes: A Case Study on Intersection Ventilation

Figure 9

Horizontal and vertical dimensionless advective flux of passive contaminant with horizontal velocity vectors for four angles of the approach flow direction.

(a) Approach flow 𝜑=0^∘

(b) Approach flow 𝜑=5^∘

(c) Approach flow 𝜑=15^∘

(d) Approach flow 𝜑=45^∘