Results 11 to 20 of about 7,269 (191)

Deposition of spray droplets by four spray nozzles and two working pressures

open access: yesRevista Agrogeoambiental, 2023
The deposition of spray droplets on the target can be influenced by the type spray nozzle used, as well as the employed working pressure. Thus, with the commercial availability of new spray nozzles, performance studies with the new models become ...
Jackeline Matos do Nascimento   +4 more
doaj   +3 more sources

Effects of Elliptical and Circular Nozzles on Diesel Spray Characteristics Under High Ambient Density

open access: yesApplied Sciences
In this paper, the macroscopic and microscopic characteristics of diesel spray with elliptical and circular nozzles were investigated under an ambient density of 65.6 kg/m3 by combining an optical test and numerical simulation method of VOF-Spray One-Way
Qinghai Sun   +6 more
doaj   +2 more sources

Insecticide spray drift reduction with different adjuvants and spray nozzles [PDF]

open access: yes, 2021
Insecticide spray drift can lead to reduced control efficiency and loss of product to the environment. Thus, we conducted a study to evaluate the effect of different spray nozzles and the addition of adjuvants in insecticide spray on the resulting ...
Rodrigo Y. P. Marubayashi (4628452)   +5 more
core   +2 more sources

Evaluationof compact air-induction flat fan nozzles for herbicide applications: Spray drift and biological efficacy

open access: yesFrontiers in Plant Science, 2023
Nozzles are the most critical component of a sprayer for pesticide applications. Recently, air-induction nozzles and twin flat-fan air-induction nozzles have started to be used for herbicide applications. In order to evaluate the potential of compact air-
Shilin Wang   +6 more
doaj   +1 more source

Study on the Atomization Characteristics of Flat Fan Nozzles for Pesticide Application at Low Pressures

open access: yesAgriculture, 2021
Spraying is the most widely used means of pesticide application for pest control in agriculture and forestry. The atomization characteristics of the nozzles are directly related to the spray drift, rebound, and deposition.
Shougen Li   +4 more
doaj   +1 more source

Droplet Size Analysis of Spray Nozzles [PDF]

open access: yes, 2020
In this paper we present laboratory equipment for illustrating the operation of spraying nozzles. It is also suitable for studying the basic processes of spraying and for measuring and evaluating the methods used in the control of sprayers. The equipment
Judit Pásztor   +7 more
core   +1 more source

Relationship between spray characteristics and cooling performance for inlet air cooling of gas turbine

open access: yesNihon Kikai Gakkai ronbunshu, 2020
A suction air cooling by water spray has been used for inlet air of gas turbines. The cooling performance depends on spray characteristics and surrounding conditions.
Asuka TAKATSUKI   +7 more
doaj   +1 more source

Effect of angled spray nozzle designs on spray distribution and droplet spectrum

open access: yesRevista Ciência Agronômica, 2021
New technologies have been developed to promote uniform, sustainable, safe and effective application of phytosanitary products. In this scenario, spray nozzles of different designs and jet angles can optimize application.
Matheus Mereb Negrisoli   +4 more
doaj   +1 more source

Numerical simulation research on arrangement of spray nozzles outside fully mechanized excavation face

open access: yesMeikuang Anquan, 2023
Aiming at the problem of poor spray continuity between the external spray nozzles of the wet dust removal system in the fully mechanized excavation face, the numerical simulation study of the nozzle arrangement was carried out. Firstly, by constructing a
Xiaoyu YANG, Yiliang WANG
doaj   +1 more source

Spray nozzle selection contributes to improved postemergence herbicide crabgrass control in turfgrass

open access: yesItalian Journal of Agronomy, 2021
For optimum postemergence crabgrass (Digitaria spp.) control, a single quinclorac herbicide application could be properly timed and delivered with spray nozzles that produce spray droplets ranging from very coarse (401 - 500 µm) to medium (226 - 325 µm ...
Edward Nangle   +3 more
doaj   +1 more source

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