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Related Experiment Video

Updated: May 7, 2025

$Measuring Spray Droplet Size from Agricultural Nozzles Using Laser Diffraction$

Measuring Spray Droplet Size from Agricultural Nozzles Using Laser Diffraction

Published on: September 16, 2016

Improving agricultural spraying with multi-rotor drones: a technical study on operational parameter optimization.

D Yallappa¹, R Kavitha¹, A Surendrakumar¹

¹Department of Farm Machinery and Power Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, India.

Frontiers in Nutrition

|January 2, 2025

Summary

This summary is machine-generated.

Drone sprayers optimize nutrient management with precise aerial application. Hexa nozzle configuration at 2.0m height achieved superior spray uniformity and distribution compared to boom setups, crucial for efficient application under changing climates.

Keywords:

boom spray discharge rate distribution pattern drone sprayer hover height patternator

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Last Updated: May 7, 2025

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Published on: August 27, 2021

Area of Science:

Agricultural Engineering
Precision Agriculture
Environmental Science

Background:

Drones are vital for efficient nutrient management, especially with climate change.
Current research focuses on drone spraying parameters influencing droplet deposition.
Optimizing drone spray application is key for effective and sustainable agriculture.

Purpose of the Study:

To optimize drone spray parameters including height, pressure, and nozzle configuration.
To evaluate spray discharge rate, width, pattern, uniformity, and liquid loss.
To compare hexa nozzle and boom nozzle configurations for spray distribution.

Main Methods:

Developed a 5.0m x 5.0m spray patternator adhering to Bureau of Indian Standards.
Measured drone spray parameters like discharge rate, pressure, and angle in laboratory settings.
Conducted outdoor tests varying drone hover height (1.0m, 2.0m, 3.0m) and maintaining pressure at 4.0 kg/cm².

Main Results:

Optimized nozzle spacing for boom configuration at 0.6m for best uniformity.
Hexa nozzle configuration at 2.0m hover height yielded better spray uniformity than boom.
Increased hover height generally improved spray uniformity, with 2.0m showing optimal results.

Conclusions:

The hexa nozzle configuration provides superior spray volume distribution and uniformity at 2.0m height compared to boom setups.
Drone spray height significantly impacts spray distribution patterns and uniformity.
Optimized drone spraying parameters are essential for efficient nutrient management and reduced environmental impact.