Schematic diagrams of the Los Angeles basin are shown in Figure P1-14B. The basin floor co...

Schematic diagrams of the Los Angeles basin are shown in Figure P1-14B. The basin floor covers approximately 700 square miles (2× 1010 ft2) and is almost completely surrounded by mountain ranges. If one assumes an inversion height in the basin of 2000 ft, the orresponding volume of air in the basin is 4 × 1013 ft3. We shall use this system volume to model the accumulation and depletion of air pollutants. As a very rough first approximation, we shall treat the Los Angeles basin as a well-mixed container (analogous to a CSTR) in hich there are no spatial variations in pollutant concentrations.

Figure P1-14B Schematic diagrams of the Los Angeles basin.

We shall perform an unsteady-state mole balance on CO as it is depleted from the basin area by a Santa Ana wind. Santa Ana winds are high-velocity winds that originate in the Mojave Desert just to the northeast of Los Angeles. Load the Smog in Los Angeles Basin Web Module. Use the data in the module to work parts 1-14 (a) through (h) given in the module. Load the living example polymath code and explore the problem. For part (i), vary the parameters vo, a, and b, and write a paragraph describing what you find.

There is heavier traffic in the L.A. basin in the mornings and in the evenings as workers go to and from work in downtown L.A. onsequently, the flow of CO into the L.A. basin might be better represented by the sine function over a 24-hour period.