Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees

Research was carried out concerning spraying young cherry trees with a multirotor drone: a hexacopter. The aim of the study was to evaluate the impact of the following: the nozzle type, the air stream from the drone rotors and the size of spacing between the trees on the distribution of the liquid s...

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Autores principales:	Jerzy Chojnacki, Aleksandra Pachuta
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	multicopter UAV drone tree spraying nozzle spray deposition Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/67ca4de2bc374b89a263b0af09576c3a
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id	oai:doaj.org-article:67ca4de2bc374b89a263b0af09576c3a
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spelling	oai:doaj.org-article:67ca4de2bc374b89a263b0af09576c3a2021-11-25T15:59:05ZImpact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees10.3390/agriculture111110942077-0472https://doaj.org/article/67ca4de2bc374b89a263b0af09576c3a2021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1094https://doaj.org/toc/2077-0472Research was carried out concerning spraying young cherry trees with a multirotor drone: a hexacopter. The aim of the study was to evaluate the impact of the following: the nozzle type, the air stream from the drone rotors and the size of spacing between the trees on the distribution of the liquid sprayed in the crown of the trees being sprayed. Experimental trials were conducted on a laboratory test stand. Air-injector spray nozzles: single and a twin flat were used interchangeably to spray the liquid. The travelling speed of the drone was 1.0 m∙s<sup>−1</sup>. A drone of 106.7 N weight was accepted in the study. The value of the spray liquid deposited and the uniformity of the liquid deposition in the crowns of the trees as well as the transverse distribution of the liquid under the nozzles were evaluated. It was found that the air stream from the drone rotors increased the distribution of the liquid on the trees sprayed, mainly at the middle and lower levels of the crown. A higher deposition value of the liquid was sprayed from the twin flat nozzle than from the single flat nozzle. There was no significant effect of the difference in the distance between the trees, of 0.5 and 1.0 m, on the liquid distribution. Under the influence of the air jet, the uniformity of the liquid distribution in the crowns of the trees also improved.Jerzy ChojnackiAleksandra PachutaMDPI AGarticlemulticopterUAVdronetree sprayingnozzlespray depositionAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1094, p 1094 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	multicopter UAV drone tree spraying nozzle spray deposition Agriculture (General) S1-972
spellingShingle	multicopter UAV drone tree spraying nozzle spray deposition Agriculture (General) S1-972 Jerzy Chojnacki Aleksandra Pachuta Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees
description	Research was carried out concerning spraying young cherry trees with a multirotor drone: a hexacopter. The aim of the study was to evaluate the impact of the following: the nozzle type, the air stream from the drone rotors and the size of spacing between the trees on the distribution of the liquid sprayed in the crown of the trees being sprayed. Experimental trials were conducted on a laboratory test stand. Air-injector spray nozzles: single and a twin flat were used interchangeably to spray the liquid. The travelling speed of the drone was 1.0 m∙s<sup>−1</sup>. A drone of 106.7 N weight was accepted in the study. The value of the spray liquid deposited and the uniformity of the liquid deposition in the crowns of the trees as well as the transverse distribution of the liquid under the nozzles were evaluated. It was found that the air stream from the drone rotors increased the distribution of the liquid on the trees sprayed, mainly at the middle and lower levels of the crown. A higher deposition value of the liquid was sprayed from the twin flat nozzle than from the single flat nozzle. There was no significant effect of the difference in the distance between the trees, of 0.5 and 1.0 m, on the liquid distribution. Under the influence of the air jet, the uniformity of the liquid distribution in the crowns of the trees also improved.
format	article
author	Jerzy Chojnacki Aleksandra Pachuta
author_facet	Jerzy Chojnacki Aleksandra Pachuta
author_sort	Jerzy Chojnacki
title	Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees
title_short	Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees
title_full	Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees
title_fullStr	Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees
title_full_unstemmed	Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees
title_sort	impact of the parameters of spraying with a small unmanned aerial vehicle on the distribution of liquid on young cherry trees
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/67ca4de2bc374b89a263b0af09576c3a
work_keys_str_mv	AT jerzychojnacki impactoftheparametersofsprayingwithasmallunmannedaerialvehicleonthedistributionofliquidonyoungcherrytrees AT aleksandrapachuta impactoftheparametersofsprayingwithasmallunmannedaerialvehicleonthedistributionofliquidonyoungcherrytrees
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Impact of the Parameters of Spraying with a Small Unmanned Aerial Vehicle on the Distribution of Liquid on Young Cherry Trees

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