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DISPER software: Air pollution map produced by three different stacks (XZ-plane)
Canarina software for analysis of air pollution in environment: air pollution control, environmental engineering, environmental consultancy service, environment simulation, environmental modeling and environmental impact assessment. Air dispersion software: ISC 70 equation
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DISPER: Air pollution dispersion ˇ DISPER - Solutions - Data - Algorithms - Emissions - Graphs - ISC3 (VOL. 2)
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The process of adjusting the
vertical profile to reflect loss of plume mass near the surface is illustrated
in Figures 1-6 and 1-7. At a distance
far enough downwind that the plume size in the vertical has grown larger than
the height of the plume, significant corrections to the concentration profile
may be needed to represent the removal of material from the plume due to
deposition. Figure 1-6 displays a
depletion factor FQ, and the corresponding profile correction factor
P(z) for a distance at which σz is 1.5 times the plume
height. The depletion factor is constant
with height, whereas the profile correction shows that most of the material is
lost from the lower portion of the plume.
Figure 1-7 compares the vertical profile of concentration both with and
without deposition and the corresponding depletion of material from the
plume. The depleted plume profile is
computed using Equation (1-54).
