A point source Gaussian plume model for a power plant uses 50 m as the effective stack height. You are concerned about pollutant levels at night, and the night is typically fully overcast with a wind speed of 5 m/s. Your concern in with ground-level pollution at two house locations, A and B, which are 1.2 and 1.4 km directly downwind from the stack. (a) At what distance will the maximum concentration of pollution occur under these conditions? Which location (A or B) would have the higher level of pollution? (b) Suppose during the day the sky clears up, and the atmosphere becomes moderately unstable, and the wind speed stays around 5 m/s. Will the location downwind at which the maximum concentration occurs move? If so, will it move closer to the stack or further away from the stack? (H remains 50 m). (c) Under the new conditions in part b, which house would experience the most pollution?
A point source Gaussian plume model for a power plant uses 50 m as the effective stack height. You are concerned about pollutant levels at night, and the night is typically fully overcast with a wind speed
of 5 m/s. Your concern in with ground-level pollution at two house locations, A and B, which are 1.2 and 1.4 km directly downwind from the stack.
(a) At what distance will the maximum concentration of pollution occur under these conditions? Which location (A or B) would have the higher level of pollution?
(b) Suppose during the day the sky clears up, and the atmosphere becomes moderately unstable, and the wind speed stays around 5 m/s. Will the location downwind at which the maximum concentration
occurs move? If so, will it move closer to the stack or further away from the stack? (H remains 50 m).
(c) Under the new conditions in part b, which house would experience the most pollution?
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