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Comparative between PLUME VDI 3940-2 method and CALPUFF atmospheric dispersion model application

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MZacarias   Chile is a country that has different industrial activities generating annoying odors for the communities that live in the surroundings. It seeks to determine the area of impact caused by odors, for which measurements are made with suitable panelists (according to the established in the chilean normative NCh3190: 2010).

   To determine the area of impact, plume measurements are made in accordance to VDI 3940 part 2. On the other hand, the mathematical model of atmospheric dispersion CALPUFF fed with emissions measured by dynamic olfactometry is applied.

A.Ulloa and M.Zacarías

Condell 1415-1104, Providencia Santiago, Chile.
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   Competing interests: The author has declared that no competing interests exist.

   Academic editor: Carlos N Díaz.

   Content quality: This paper has been peer-reviewed by at least two reviewers. See scientific committee here

   Citation: A.Ulloa, M.Zacarías, 2017, Comparative between Plume VDI 3940-2 method and Calpuff atmospheric dispersion model application, IV International Conference of Odours and VOCs in the Environment, Valladolid, Spain, www.olores.org

   Copyright: 2017 olores.org. Open Content Creative Commons license. It is allowed to download, reuse, reprint, modify, distribute, and/or copy articles in olores.org website, as long as the original authors and source are cited. No permission is required from the authors or the publishers.

   ISBN: 978-84-697-7359-8

   Keywords: Odours, odors, atmospheric dispersion model, plume method, impact area.

 

Abstract

   Chile is a country that has different industrial activities generating annoying odors for the communities that live in the surroundings. It seeks to determine the area of impact caused by odors, for which measurements are made with suitable panelists (according to the established in the chilean normative NCh3190: 2010). To determine the area of impact, plume measurements are made in accordance to VDI 3940 part 2. On the other hand, the mathematical model of atmospheric dispersion CALPUFF fed with emissions measured by dynamic olfactometry is applied.

   After performing the odor evaluations, it was possible to group the evaluations according to the prevailing direction of the wind. Subsequently the respective plumes were drawn, taking into consideration the criteria established in VDI 3940, i.e. that for an individual measurement performed by a panelist to be within the plume should exceed 10% in Odor Perception Frequency and otherwise the individual measurement is outside the contour of the plume. After plotting the plumes was preceded to compare the results with those obtained from the dispersion model.

   From the comparisons made, it can be observed that the plumes traced are similar to the isolines of concentration of odor obtained by mathematical modeling.

 

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