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The validation of a simple Gaussian dispersion model for determining odour emission rates from area sources

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Galvin, G., Lowe, S. and Smith, R. (2004) The validation of a simple Gaussian dispersion model for determining odour emission rates from area sources. Developments in Chemical Engineering and Mineral Processing, 12 (5-6). pp. 545-558. ISSN 1932-2143

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Article Link: https://doi.org/10.1002/apj.5500120509

Abstract

The accuracy of dispersion models is a widely debated topic. The goal of this research was to assess If the odour emission rates (OER) predicted using a simple Gaussian model were comparable to the more intensive and expensive wind tunnel-based odour measurement technique. A Gaussian dispersion model (STINK) was used to determine odour emission rates from piggery ponds. These values were then compared to those measured simultaneoirsly on the pond sugaces using a wind tunnel, and analysed using dynamic olfactometry. Results of linear regressions showed a moderate relationship for two of the three seasons studied, and a very good relationship for the other season studied. Overall, the model showed a good correlation between calculated downwind, and calculated on-pond, odour emission rates. The use of the STINK model shows promise as an alternative to the inore labour-intensive direct emission rate measurement technique.

Item Type:Article
Subjects:Science > Statistics > Simulation modelling
Agriculture > Agriculture (General) > Agriculture and the environment
Live Archive:31 Jan 2024 23:20
Last Modified:31 Jan 2024 23:20

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