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Atomization and Sprays
Facteur d'impact: 1.262 Facteur d'impact sur 5 ans: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN Imprimer: 1044-5110
ISSN En ligne: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.v19.i8.30
pages 741-753

PESTICIDE ATOMIZATION MODELING FOR HOLLOW-CONE NOZZLE

M. De Luca
Cemagref, UMR ITAP, BP 5095, 34196 Montpellier cedex 5
ariane vallet
Irstea
R. Borghi
EGIM, IMT - Technopôle de Château-Gombert, 38, rue Joliot Curie 13451 Marseille Cedex 20, France

RÉSUMÉ

Atomization is a phenomenon of high importance for many practical devices where it is expedient to increase the contact surface between a liquid and a surrounding gas. One of them is the agricultural sprayer used for crop protection. Improper spray characteristics can result in the loss of chemicals to the ground or to the air. In order to reduce environmental impacts, the present study investigates the atomization of a liquid sheet issued from a hollow-cone nozzle used for pesticide spraying. Our model is based on an Eulerian approach and describes the flow inside the nozzle and the spray droplet characteristics just outside the nozzle. We use the same set of constants as in automotive and rocket engine fields. The results in terms of liquid dispersion and mean droplet size are in good agreement with experimental data, provided that the Reynolds stress model is used for the turbulence.


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EXPERIMENTAL AND NUMERICAL ANALYSIS OF SPRAY DISPERSION AND EVAPORATION IN A COMBUSTION CHAMBER
Atomization and Sprays, Vol.19, 2009, issue 10
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MECHANISM OF PERFORATION BASED ON SPREADING PROPERTIES OF EMULSIFIED OILS
Atomization and Sprays, Vol.22, 2012, issue 12
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Atomization and Sprays, Vol.24, 2014, issue 5
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THE EFFECTS OF GAS LAYER AND LIQUID PHYSICAL PROPERTIES ON THE BREAKUP OF COAXIAL LIQUID JET SPRAY
Atomization and Sprays, Vol.26, 2016, issue 6
Marx Tang, Tony Yuan
DIESEL SPRAY ATOMIZATION MODEL CONSIDERING NOZZLE EXIT TURBULENCE CONDITIONS
Atomization and Sprays, Vol.8, 1998, issue 4
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