This app is an interface for calculating droplet size for ground spray nozzles.
Agriculture’s (USDA), Agricultural Research Service (ARS) who has worked close with the Dept. of Defense’s Deployed Warfighter Protection Program (DWFP) to evaluate a number of sprayers used to spray pest control products targeted insect vectors of human and animal diseases. Using facilities at the U.S. Navy Entomology Center of Excellence, nearly 100 different sprayers have been tested for droplet size under various operational setups (nozzles, pressured, flowrates, spray solutions, etc…). Over the past several years, this data has been incorporated into an extensive database. This app provides users with a quick, easily searchable interface that returns droplet size data for the specified operational setup.
The database is structured such that users are requested to select specific operational parameters which include:
- Company Name (of the spray system used)
- Spray System (model number)
- Solution Type (carrier solution used)
- Additive/Insecticide
- Sprayer Setting/Nozzle
- Pressure (psi)
- Flowrate (oz/min)
- Dilution
Using the above specified parameters, the app will provide droplet size results to the user. These include:
- DV0.1, DV0.5, and DV0.9
o Droplet size (in µm) such that 10, 50, or 90% of the spray volume, respectively, is contained in spray droplet sizes of equal or less.
The results, along with the initial parameters, are time and date stamped and can be saved to the user’s device under any name of their choice. The app allows for these results to be emailed to any address of their choice. The saved results can be viewed or emailed at any time.
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