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1 June 2012 Further Evaluation of Spray Characterization of Sprayers Typically Used in Vector Control
W. Clint Hoffmann, Todd W. Walker, Bradley K. Fritz, Muhammad Farooq, Vincent L. Smith, Cathy A. Robinson, Yubin Lan
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Abstract

This work reports droplet-size data measured as part of a collaborative testing program between the US Department of Agriculture, Agricultural Research Service, and the US Navy, Navy Entomological Center for Excellence. This is an ongoing relationship that seeks to test new and revised spray technologies that may potentially be used by deployed personnel. As new equipment comes to market or when existing equipment is modified they are all integrated into this annual testing. During the 2011 equipment evaluations, 24 sprayers were operated across their range of available settings (pressure and flow rate), using both water and oil solutions. Droplet-size data as measured with laser diffraction ranged from 4 to 223 µm (volume median diameter). Generally, as the spray rate increased, droplet size increased, and as the pressure increased at a given same spray rate, droplet size decreased. This information allows users to set up and operate these sprayers in a manner such that a particular droplet size is applied optimizing efficiency and efficacy of applications.

W. Clint Hoffmann, Todd W. Walker, Bradley K. Fritz, Muhammad Farooq, Vincent L. Smith, Cathy A. Robinson, and Yubin Lan "Further Evaluation of Spray Characterization of Sprayers Typically Used in Vector Control," Journal of the American Mosquito Control Association 28(2), 93-101, (1 June 2012). https://doi.org/10.2987/11-6109.1
Published: 1 June 2012
JOURNAL ARTICLE
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KEYWORDS
Atomization
climate change
droplet size
sprayer
vector control
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