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   1. A stack emitting 80 g/s of NOx has an effective stack height of 100...

  

1. A stack emitting 80 g/s of NOx has an effective stack height of 100 m. The wind speed is 4 m/s. It is a clear summer day with the sun nearly overhead. The emission is near a human inhabited area. Estimate the ground-level NOx concentration (µg/m3) for the following scenarios:

       (a) directly downwind at a distance of 2 km.

(b) at the point downwind where the NOx, is a maximum. (hint: use diagram on slide 59). What is Xmax?

       (c) at a point located 2 km downwind and 0.1 km off the downwind axis.

Engineering   Mechanical-Engineering   
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