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DOI: 10.15507/2658-4123.034.202401.072-087

Optimization of Parameters of Adaptive Spray System for Agricultural Sprayer

Ivan I. Gureev
Dr.Sci. (Engr.), Professor, Honored Inventor of the Russian Federation, Head of the Laboratory of the Federal Agricultural Kursk Research Center (70B Karl Marx St., Kursk 305021, Russian Federation), ORCID: https://orcid.org/0000-0001-5995-3322, This email address is being protected from spambots. You need JavaScript enabled to view it.

Beket N. Nuralin
Dr.Sci. (Engr.), Professor, Professor of Zhangir Khan West Kazakhstan Agrarian Technical University (51 Zhangir Khan St., Uralsk 090009, Republic of Kazakhstan), ORCID: https://orcid.org/0000-0002-0507-5445, This email address is being protected from spambots. You need JavaScript enabled to view it.

Murat U. Mukhtarov
Doctoral Student of Zhangir Khan West Kazakhstan Agrarian Technical University (51 Zhangir Khan St., Uralsk 090009, Republic of Kazakhstan), ORCID: https://orcid.org/0009-0003-5910-6811, This email address is being protected from spambots. You need JavaScript enabled to view it.

Oksana N. Kostyuchenkova
Cand.Sci. (Engr.), PhD, Senior Lecturer of the Chair of Transport Engineering and Technology of the S. Seifullin Kazakh Agrotechnical University (62 Zhenis Avenue, Astana 010011, Republic of Kazakhstan), ORCID: https://orcid.org/0000-0002-2060-7083, This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract
Introduction. When growing tall-growth crops (cereal crops in late the phases of development, corn, sunflower, etc.), there are used boom sprayers equipped with twin-fluid spray cones with fixed angles of inclination to the vertical of the spray cones. The working fluid is applied with such sprays are more intensively on the front side of the plant leaves while the intensity of covering the plants from the back side with the working fluid decreases. The development of the spray system will allow improving the quality of crop treatment with boom sprayers.
Aim of the Study. The aim of the research is to determine experimentally the algorithm for changing the angles of inclination of a twin-fluid spray cone that provides the same intensity of applying working liquid to the leaves of high-growth plants.
Materials and Methods. The research was carried out on a test bench by applying colored water to the front and rear sides of a tall-growth plant model moving at a specified speed. The experiment was carried out according to the method of optimal planning. The difference between the content of droplets on the front and rear sides of the tall-growth plant model was taken as an optimization parameter. Variable factors were the spray cone inclination angles and the operating speed of the sprayer.
Results. The algorithm for changing the optimum values of the spray cone inclination angles depending on the sprayer speed was determined based on the equality of the first derivative of the optimization to zero parameter by the value of these angles.
Discussion and Conclusion. According to the algorithm, when the sprayer operating speed increases from 1.2 to 3.2 m/s, the optimal angle of inclination to the front spray cone vertical changes linearly from 25 to 21 degrees, and the rear one ‒ from 46.7 to 57 degrees. This algorithm will allow justifying the technical specifications to develop a processor for automatic control of the spray cone inclination angles cones when the sprayer is operating.

Keywords: high-growth plant, field sprayer, adaptive spray system, spray cone

Conflict of interest: The authors declare no conflict of interest.

Funding: The research was carried out in the Federal Agricultural Kursk Research Center under the state assignment No. FGZU-2022-0005 and at the Zhangir Khan West Kazakhstan Agrarian Technical University under the R&D plan for 2020‒2025 “Resource-saving technologies and technical means of cultivation and harvesting of agricultural crops in Western Kazakhstanˮ

For citation: Gureev I.I., Nuralin B.N., Mukhtarov M.U., Kostyuchenkova O.N. Optimization of Parameters of Adaptive Spray System for Agricultural Sprayer. Engineering Technologies and Systems. 2024;34(1):72‒87. https://doi.org/10.15507/2658-4123.034.202401.072-087

Authors contribution:
I. I. Gureev – scientific guidance, theoretical justification of the experiment.
B. N. Nuralin – scientific guidance, development of research program and methodology.
M. U. Mukhtarov – obtaining experimental data.
O. N. Kostyuchenkova – literature review, statistical processing of experimental data.

All authors have read and approved the final manuscript.

Submitted 22.09.2023; revised 08.10.2023;
accepted 23.10.2023

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