spray nozzle selection and operation · spray nozzle selection and operation . dan martin . usda...
TRANSCRIPT
![Page 1: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/1.jpg)
Spray Nozzle Selection and Operation
Dan Martin USDA ARS
Aerial Application Technology Group College Station, Texas
![Page 2: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/2.jpg)
Why the Concern?
• Application rate is on the label
• Application rate can affect coverage and efficacy
• Droplet spectrum can affect efficacy and drift potential
![Page 3: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/3.jpg)
Optimum Droplet Spectrum for Various Pesticide Classes
![Page 4: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/4.jpg)
How to Calculate Flowrate
• You know the effective swath of your plane.
• You know the speed you want to fly.
• You know the application rate.
• From this, we can calculate total flowrate and the number of nozzles needed.
![Page 5: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/5.jpg)
How to Calculate Flowrate
![Page 6: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/6.jpg)
How to Calculate Flowrate
• Now we need to calculate the flowrate per nozzle
• Assume we have 45 nozzles
![Page 7: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/7.jpg)
How to Calculate Flowrate
![Page 8: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/8.jpg)
How to Select Orifice and Pressure
![Page 10: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/10.jpg)
How to Select Orifice and Pressure
![Page 11: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/11.jpg)
How to Select Orifice and Pressure
![Page 12: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/12.jpg)
How to Select Orifice and Pressure
![Page 13: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/13.jpg)
How to Determine Spray Quality
![Page 14: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/14.jpg)
How to Determine Spray Quality
![Page 15: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/15.jpg)
How to Determine Spray Quality
![Page 16: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/16.jpg)
How to Determine Spray Quality
![Page 17: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/17.jpg)
How to Determine Spray Quality
![Page 18: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/18.jpg)
Let’s Change Airspeed
![Page 19: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/19.jpg)
Total Boom Output Flowrate (GPM) =
Application Rate(GPA) x Swath Width(ft) x Speed(MPH)495
2 𝐺𝐺𝐺 𝑥 65 𝑓𝑓 𝑥 140 𝑀𝐺𝑀
495
Re-Calculate Flowrate
![Page 20: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/20.jpg)
Re-Calculating Flowrate
![Page 21: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/21.jpg)
Selecting Orifice and Pressure
![Page 22: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/22.jpg)
Selecting Orifice and Pressure
![Page 23: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/23.jpg)
Determining Spray Quality
![Page 24: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/24.jpg)
Determining Spray Quality
![Page 25: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/25.jpg)
Determining Spray Quality
![Page 26: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/26.jpg)
Determining Spray Quality
![Page 27: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/27.jpg)
How to Determine Spray Quality
![Page 28: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/28.jpg)
Determining Spray Quality
![Page 29: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/29.jpg)
Determining Spray Quality
![Page 30: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/30.jpg)
Determining Spray Quality
![Page 31: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/31.jpg)
Determining Spray Quality
![Page 32: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/32.jpg)
Take Home
• Flowrate and Droplet Spectrum are important to your equipment setup.
• Using readily available online tools, they can be optimized for your operation.
• They can affect deposition, efficacy and drift potential.
![Page 33: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/33.jpg)
Take Home
• Consider creating a reference document for pilots and loaders that highlights equipment setups.
![Page 34: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/34.jpg)
Take Home
Rate (GPA) DSC Nozzle Deflection (º)
Speed (MPH)
Orifice Pressure (PSI)
2.0 Fine CP-11TT 45 145 #8 35
2.0 Medium CP-11TT 15 145 #8 35
2.0 Coarse CP-11TT 0 145 #8 35
![Page 35: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/35.jpg)
What to look for
![Page 36: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/36.jpg)
Questions?
![Page 37: Spray Nozzle Selection and Operation · Spray Nozzle Selection and Operation . Dan Martin . USDA ARS . Aerial Application Technology Group . College Station, Texas . Why the Concern?](https://reader033.vdocuments.us/reader033/viewer/2022042600/5f4a22a708a482501e5cb13d/html5/thumbnails/37.jpg)
39