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Publication
Featured researches published by Nico Hendrickx.
2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010 | 2010
Ayenew Melese Endalew; Nico Hendrickx; Tim Goossens; David Nuyttens; Donald Dekeyser; Pieter Verboven
Drift is of more concern for air-assisted orchard sprayers than for field sprayers due to the high air jet velocity involved and the horizontal application direction. Orchard sprays are applied sideways to the trees, with a high risk for aerial drift by wind. Air-assistance has also been shown to be non-uniform, but the consequences for deposition uniformity in the canopy have yet to be demonstrated. Off-target deposition can be minimized and uniformity can be improved with the use of proper equipment and methods under favourable weather conditions depending on the nature of the target canopy and the level of infection. To this end knowledge of the canopy flow conditions of both the air and the spray are needed. It has been difficult to obtain such information experimentally. A Computational Fluid Dynamics (CFD) model that allows the simulation of spraying process for different machines including environmental and canopy conditions is presented. This comprehensive model considers the effects of wind velocity and turbulence, and the nature of the canopy on air assistance distribution. Orchard experiments were conducted on airflow profile from three air assisted orchard sprayers in leafless and fully leafed pear tree (Pyrus communis L.) orchards. The model results compared well to the measured profiles of airflow distribution, with average accuracies as high as 80%. The model is used to study effects of sprayer and nozzle design and operational parameters, weather conditions, and for different planting systems and development stages.
Biosystems Engineering | 2013
Donald Dekeyser; Ashenafi Tilahun Duga; Pieter Verboven; Ayenew Melese Endalew; Nico Hendrickx; David Nuyttens
Crop Protection | 2014
Donald Dekeyser; Dieter Foqué; Ashenafi Tilahun Duga; Pieter Verboven; Nico Hendrickx; David Nuyttens
Aspects of applied biology | 2011
Donald Dekeyser; Dieter Foqué; Ayenew Melese Endalew; Pieter Verboven; Tim Goossens; Nico Hendrickx; D. Nuyttens
Aspects of applied biology | 2011
Ayenew Melese Endalew; Donald Dekeyser; David Nuyttens; Tim Goossens; Nico Hendrickx; Ashenafi Tilahun Duga; Bart Nicolai; Pieter Verboven
spray application techniques in fruit growing | 2013
Ashenafi Tilahun Duga; Thijs Defraeye; Nico Hendrickx; Donald Dekeyser; David Nuyttens; Bart Nicolai; Pieter Verboven
Aspects of applied biology | 2011
Nico Hendrickx; Tim Goossens; Ayenew Melese Endalew; Donald Dekeyser; D. Nuyttens; Pieter Verboven
spray application techniques in fruit growing | 2013
Donald Dekeyser; Dieter Foqué; Ashenafi Tilahun Duga; Pieter Verboven; Nico Hendrickx; D. Nuyttens
Archive | 2013
Ashenafi Tilahun Duga; Thijs Defraeye; Nico Hendrickx; Donald Dekeyser; D. Nuyttens; Bart Nicolai; Pieter Verboven
Acta Horticulturae | 2013
Ashenafi Tilahun Duga; Ayenew Melese Endalew; Nico Hendrickx; Tim Goossens; Donald Dekeyser; David Nuyttens; Bart Nicolai; Pieter Verboven
Collaboration
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Swiss Federal Laboratories for Materials Science and Technology
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