36) A freeway has 10,000 vehicles per hour passing a house 200 m away. Each car emits an average of 1.5 g/mi of NOx, and winds are blowing at 2 m/s across the freeway towards the house. Estimate the NOx concentration at the house on a clear summer day near noon (assuming that NOx is chemical stable).© BrainMass Inc. brainmass.com October 24, 2018, 8:10 pm ad1c9bdddf
Due to the continuous nature of the release, we will have a plume. The equation that governs the ground concentration directly downwind of a release is
<C>(x,0,0)= Qm/πσyσz x exp [-1/2 (Hr/σz)^2]
Where σy and σz ...
Estimation of NOx concentration given emission volume and wind speed.
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