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Odour sampling. 2. Comparison of physical and aerodynamic characteristics of sampling devices: A review

Hudson, N. and Ayoko, G.A. (2008) Odour sampling. 2. Comparison of physical and aerodynamic characteristics of sampling devices: A review. Bioresource Technology, 99 (10). pp. 3993-4007.

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Article Link(s): http://dx.doi.org/10.1016/j.biortech.2007.03.043

Publisher URL: http://www.elsevier.com

Abstract

Sampling devices differing greatly in shape, size and operating condition have been used to collect air samples to determine rates of emission of volatile substances, including odour. However, physical chemistry principles, in particular the partitioning of volatile substances between two phases as explained by Henrys Law and the relationship between wind velocity and emission rate, suggests that different devices cannot be expected to provide equivalent emission rate estimates. Thus several problems are associated with the use of static and dynamic emission chambers, but the more turbulent devices such as wind tunnels do not appear to be subject to these problems. In general, the ability to relate emission rate estimates obtained from wind tunnel measurements to those derived from device-independent techniques supports the use of wind tunnels to determine emission rates that can be used as input data for dispersion models.

Item Type:Article
Additional Information:© Elsevier Ltd.
Keywords:Chamber; emission; odour; wind tunnel.
Subjects:Science > Science (General)
Technology > Technology (General)
Deposited On:11 Feb 2009 04:47
Last Modified:20 Apr 2011 23:03

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