The time dependence is achieved through the dispersion coefficients, because their values change as the puff moves downwind from the release point. If wind is absent (u = O), Equation 5-54 does not predict the correct result.
The time dependence is achieved through the dispersion coefficients, because their valueschange as the puff moves downwind from the release point. If wind is absent (u = O), Equation5-54 does not predict the correct result.