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Development of high-speed image acquisition systems for spray characterization based on single-droplet experiments

Sofija Vulgarakis Minov, Frédéric Cointault, Jürgen Vangeyte, Jan Pieters UGent and David Nuytens (2015) TRANSACTIONS OF THE ASABE. 58(1). p.27-37
abstract
Accurate spray and droplet characterization is important for increased understanding of the pesticide spray application process. The goal of this study was to develop two image acquisition systems based on single-droplet experiments using a piezoelectric single-droplet generator and a high-speed imaging technique, which will be used in a later stage of this study to evaluate micro and macro spray characteristics and droplet impact behavior. Experiments with different camera settings, lenses, diffusers, and light sources and the resulting image quality parameters showed the necessity of having a good image acquisition and processing system. The image analysis results contributed to selecting the optimal setup for measuring droplet size and velocity, which consisted of a high-speed camera with 6 mu s exposure time, a microscope lens at a working distance of 430 mm resulting in a field of view of 10.5 mm x 8.4 mm, and a xenon backlight without a diffuser. The high-speed camera with a macro video zoom lens at a working distance of 143 mm with a larger field of view (88 mm x 110 mm) in combination with a halogen spotlight with a diffuser was found to have the best potential for measuring macro spray characteristics, such as the droplet trajectory, spray angle, and spray shape.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Image processing, Droplet generator, Droplet characteristics, SIZE, GENERATOR, FORMULATION, SURFACES, VELOCITY, IMPACT
journal title
TRANSACTIONS OF THE ASABE
Trans. ASABE
volume
58
issue
1
pages
27 - 37
Web of Science type
Article
Web of Science id
000350146200003
JCR category
AGRICULTURAL ENGINEERING
JCR impact factor
0.913 (2015)
JCR rank
8/14 (2015)
JCR quartile
3 (2015)
ISSN
2151-0032
DOI
10.13031/trans.58.10775
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
5863420
handle
http://hdl.handle.net/1854/LU-5863420
date created
2015-02-24 12:56:24
date last changed
2016-12-19 15:46:41
@article{5863420,
  abstract     = {Accurate spray and droplet characterization is important for increased understanding of the pesticide spray application process. The goal of this study was to develop two image acquisition systems based on single-droplet experiments using a piezoelectric single-droplet generator and a high-speed imaging technique, which will be used in a later stage of this study to evaluate micro and macro spray characteristics and droplet impact behavior. Experiments with different camera settings, lenses, diffusers, and light sources and the resulting image quality parameters showed the necessity of having a good image acquisition and processing system. The image analysis results contributed to selecting the optimal setup for measuring droplet size and velocity, which consisted of a high-speed camera with 6 mu s exposure time, a microscope lens at a working distance of 430 mm resulting in a field of view of 10.5 mm x 8.4 mm, and a xenon backlight without a diffuser. The high-speed camera with a macro video zoom lens at a working distance of 143 mm with a larger field of view (88 mm x 110 mm) in combination with a halogen spotlight with a diffuser was found to have the best potential for measuring macro spray characteristics, such as the droplet trajectory, spray angle, and spray shape.},
  author       = {Vulgarakis Minov, Sofija and Cointault, Fr{\'e}d{\'e}ric and Vangeyte, J{\"u}rgen and Pieters, Jan and Nuytens, David},
  issn         = {2151-0032},
  journal      = {TRANSACTIONS OF THE ASABE},
  keyword      = {Image processing,Droplet generator,Droplet characteristics,SIZE,GENERATOR,FORMULATION,SURFACES,VELOCITY,IMPACT},
  language     = {eng},
  number       = {1},
  pages        = {27--37},
  title        = {Development of high-speed image acquisition systems for spray characterization based on single-droplet experiments},
  url          = {http://dx.doi.org/10.13031/trans.58.10775},
  volume       = {58},
  year         = {2015},
}

Chicago
Vulgarakis Minov, Sofija, Frédéric Cointault, Jürgen Vangeyte, Jan Pieters, and David Nuytens. 2015. “Development of High-speed Image Acquisition Systems for Spray Characterization Based on Single-droplet Experiments.” Transactions of the Asabe 58 (1): 27–37.
APA
Vulgarakis Minov, Sofija, Cointault, F., Vangeyte, J., Pieters, J., & Nuytens, D. (2015). Development of high-speed image acquisition systems for spray characterization based on single-droplet experiments. TRANSACTIONS OF THE ASABE, 58(1), 27–37.
Vancouver
1.
Vulgarakis Minov S, Cointault F, Vangeyte J, Pieters J, Nuytens D. Development of high-speed image acquisition systems for spray characterization based on single-droplet experiments. TRANSACTIONS OF THE ASABE. 2015;58(1):27–37.
MLA
Vulgarakis Minov, Sofija, Frédéric Cointault, Jürgen Vangeyte, et al. “Development of High-speed Image Acquisition Systems for Spray Characterization Based on Single-droplet Experiments.” TRANSACTIONS OF THE ASABE 58.1 (2015): 27–37. Print.