Dispersion of air pollutants in the atmosphere - Determination of plume rise

Technical rule [CURRENT]

VDI 3782 Blatt 3:2022-09

Dispersion of air pollutants in the atmosphere - Determination of plume rise

German title
Ausbreitung von Luftverunreinigungen in der Atmosphäre - Berechnung der Abgasfahnenüberhöhung
Publication date
2022-09
Original language
German, English
Pages
26

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Publication date
2022-09
Original language
German, English
Pages
26
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Short description

In comparison to ambient air exhaust gas may underlie buoyant forces due to temperature (thermal momentum), vertical wind speed (mechanical momentum) and/or humidity (thermal momentum through release of latent heat). This thermal buoyancy leads to a rise of exhaust gas and is called plume rise. To determine this plume rise parameterizations are used which either basis on measurements or alternatively on modelling. This standard describes a model, its necessary boundary conditions, assumptions and limitations. The model can be used on its own or in conjunction with a dispersion model.

Content

ICS

07.060, 13.040.01
Replacement amendments

This document replaces VDI 3782 Blatt 3:1985-06 , VDI 3784 Blatt 2:1990-03 .

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