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The characteristics of agricultural sprays belong to the most critical factors affecting spray drift, deposition on plants, spray coverage and biological efficacy. Hence, within the framework of a research project about agricultural spray drift, a measuring set-up for the characterisation of spray nozzles using a Phase Doppler Particle Analyser (PDPA) was developed. This set-up is able to measure droplet sizes and velocities based on light-scattering principles. It is composed of different parts i.e.: a climate room, a spray unit, a three-dimensional automated positioning system and an Aerometrics PDPA 1D system. This paper presents a detailed description of this measuring set-up along with some first measuring results. These measurements will be used as an input for a Computational Fluid Dynamics drift-prediction model and to classify nozzles based on their driftability.
Originele taal-2Engels
TitelProceedings 57th International Symposium on Crop Protection
Aantal pagina's13
Volume70
Publicatiedatum2005
Uitgave4
Pagina's1023-1035
StatusGepubliceerd - 2005
Event57th International Symposium on Crop Protection (2005) - Gent, België
Duur: 10-mei-200510-mei-2005

ID: 223758