Modernization of a short-jet deflector nozzle for producing artificial rain
https://doi.org/10.32786/2071-9485-2024-02-33.
Abstract
The article proposes an improvement of the short-jet deflector nozzle by changing the type of longitudinal passage channel made in the form of a truncated cone, in which a screw flow director with a Teflon coating 45 microns thick is located, which will lead to an increase in the rotation speed and an increase in the centrifugal forces of the flow. As a result of improving the short-jet deflector nozzle, by changing the type of flow guide and coating it with Teflon, the speed of the water jet will increase; the flow, breaking up on the deflector into small drops, increases their flight range, due to their lower weight.
Introduction. All sprinkler machines and installations are equipped with rain-forming devices to create artificial rain. A wide variety of different rain-forming devices are known, differing in design, required pressure, radius of action, forming a stream of various shapes and sizes that are not always of sufficient quality. Existing deflector nozzles have a fairly high-quality distribution of rainwater due to the design of the deflector. Together with uniform watering and a fairly small droplet size of the artificial rain created (0.9-1.1 mm), they can operate with a relatively low pressure, which reduces energy costs. Deflector nozzles also have disadvantages associated with the high intensity of rain and the small radius of rain catching the irrigated area.
Object. Short jet deflector nozzle.
Materials and methods. It is proposed to improve the short-jet deflector nozzle by changing the type of longitudinal passage channel made in the form of a truncated cone, in which a screw flow director with a Teflon coating 45 microns thick is located, which will lead to an increase in the rotation speed and an increase in the centrifugal forces of the flow.
Results and conclusions. As a result of improving the short-jet deflector nozzle, by changing the type of flow guide and coating it with Teflon, the speed of the water jet will increase; the flow, breaking up on the deflector into small drops, increases their flight range, due to their lower weight.
About the Authors
A. S. Ovchinnikov
Volgograd State Agrarian University
Russian Federation
Russian Federation
Ovchinnikov Aleksey Semenovich, Doctor of Agricultural Sciences, Academician of the Russian Academy of Sciences, professor, head of the department of “Applied geodesy, environmental management and water use”,
400002, Volgograd, Universitetsky Avenue, 26
O. V. Kozinskaya
Volgograd State Agrarian University
Russian Federation
Russian Federation
Kozinskaya Olga Vladimirovna, Candidate of Agricultural Sciences, Associate Professor of the Department of Applied Geodesy, Environmental Management and Water Use,
V. S. Bocharnikov
Volgograd State Agrarian University
Russian Federation
Russian Federation
Bocharnikov Viktor Sergeevich, Doctor of Engineering Sciences, Professor of the Department of Applied Geodesy, Natural Development and Water Use,
O. V. Bocharnikova
Volgograd State Agrarian University
Russian Federation
Russian Federation
Bocharnikova Olesya Vladimirovna, Doctor of Engineering Sciences, Professor of the Department of Applied Geodesy, Natural Development and Water Use,
M. A. Denisova
Volgograd State Agrarian University
Russian Federation
Russian Federation
Denisova Maria Alekseevna, Ph.D. in Engineering Sciences, Associate Professor of the Department of Applied Geodesy, Natural Development and Water Use,
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Review
For citations:
Ovchinnikov A.S., Kozinskaya O.V., Bocharnikov V.S., Bocharnikova O.V., Denisova M.A. Modernization of a short-jet deflector nozzle for producing artificial rain. Title in english. 2024;(2 (74)):273-279. (In Russ.) https://doi.org/10.32786/2071-9485-2024-02-33.
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