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Recent advances in computational fluid dynamics relevant to the modeling of pesticide flow on leaf surfaces

Glass, C.R., Walters, K., Gaskell, P.H., Lee, Y.C., Thompson, H.M., Emerson, D.R. and Gu, X.J. (2010) Recent advances in computational fluid dynamics relevant to the modeling of pesticide flow on leaf surfaces. Pest Management Science, 66 (1). pp. 2-9. ISSN 1526-498X

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Abstract

Increasing societal and governmental concern about the worldwide use of chemical pesticides is now providing strong drivers towards maximising the efficiency of pesticide utilisation. There is growing recognition that the ultimate goal of achieving efficient and sustainable pesticide usage will require greater understanding of the fluid mechanical mechanisms governing the delivery to, and spreading of, pesticide droplets on leaf surfaces. This has led to increasing use of Computational Fluid Dynamics (CFD) as an important component of efficient process design with regard to pesticide delivery to the leaf surface. This perspective highlights recent advances in CFD methods for droplet spreading and film flows which have the potential to provide accurate, predictive models for pesticide flow on leaf surfaces, and which can take account of each of the key influences of surface topography and chemistry, initial spray deposition conditions, evaporation and multiple droplet spreading interactions. The mathematical framework of these CFD methods is described briefly and a series of new flow simulation results relevant to pesticide flows over foliage is provided. The potential benefits of employing CFD for practical process design are also discussed briefly.

Item Type: Article
Keywords: pesticide; wetting; spreading; computational fluid dynamics
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Mechanical Engineering (Leeds) > Institute of Engineering Thermofluids, Surfaces & Interfaces (iETSI) (Leeds)
Depositing User: Mrs Fiona Slade
Date Deposited: 08 Mar 2010 16:03
Last Modified: 08 Feb 2013 17:06
Published Version: http://dx.doi.org/10.1002/ps.1824
Status: Published
Publisher: John Wiley & Sons
Identification Number: 10.1002/ps.1824
URI: http://eprints.whiterose.ac.uk/id/eprint/10467

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