Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes

A numerical model was developed to determine the water drop movement and mean droplet size diameter at any distance from a sprinkler as a function of nozzle size and pressure. Droplet size data from 4, 5, 6, and 7 mm nozzle sizes verified the model. Data for model prediction were generated throughou...

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Autores principales:	Xingye Zhu, Joseph Kwame Lewballah, Alexander Fordjour, Xiaoping Jiang, Junping Liu, Samuel Anim Ofosu, Frank Agyen Dwomoh
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	sprinkler irrigation nozzle size droplet size modeling Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/d5a0fb4c9d3b4d4382b77f5b09fde90f
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spelling	oai:doaj.org-article:d5a0fb4c9d3b4d4382b77f5b09fde90f2021-11-11T19:54:18ZModelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes10.3390/w132130062073-4441https://doaj.org/article/d5a0fb4c9d3b4d4382b77f5b09fde90f2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/3006https://doaj.org/toc/2073-4441A numerical model was developed to determine the water drop movement and mean droplet size diameter at any distance from a sprinkler as a function of nozzle size and pressure. Droplet size data from 4, 5, 6, and 7 mm nozzle sizes verified the model. Data for model prediction were generated throughout lab experiments. The results demonstrated that the correlation between the observed and predicted droplet size diameter values for all the nozzle sizes and pressures is quite good. Nozzle size and pressure had a major influence on droplet size. Higher pressure produced smaller droplets over the entire application profile. The wetted distance downwind from the sprinkler increased as wind velocity increased, for example at a constant working pressure of 300 kPa, at wind speeds of 3.5 m/s and 4.5 m/s, 20% and 32% of the total volume exceeded the wet radius respectively. Larger droplets (3.9–4.5 mm), accounting for 3.6% and 6.3% of the total number of distributed droplets, respectively. The model can also predict the droplet size distribution at any wind direction overall the irrigated pattern.Xingye ZhuJoseph Kwame LewballahAlexander FordjourXiaoping JiangJunping LiuSamuel Anim OfosuFrank Agyen DwomohMDPI AGarticlesprinkler irrigationnozzle sizedroplet sizemodelingHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3006, p 3006 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sprinkler irrigation nozzle size droplet size modeling Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	sprinkler irrigation nozzle size droplet size modeling Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Xingye Zhu Joseph Kwame Lewballah Alexander Fordjour Xiaoping Jiang Junping Liu Samuel Anim Ofosu Frank Agyen Dwomoh Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes
description	A numerical model was developed to determine the water drop movement and mean droplet size diameter at any distance from a sprinkler as a function of nozzle size and pressure. Droplet size data from 4, 5, 6, and 7 mm nozzle sizes verified the model. Data for model prediction were generated throughout lab experiments. The results demonstrated that the correlation between the observed and predicted droplet size diameter values for all the nozzle sizes and pressures is quite good. Nozzle size and pressure had a major influence on droplet size. Higher pressure produced smaller droplets over the entire application profile. The wetted distance downwind from the sprinkler increased as wind velocity increased, for example at a constant working pressure of 300 kPa, at wind speeds of 3.5 m/s and 4.5 m/s, 20% and 32% of the total volume exceeded the wet radius respectively. Larger droplets (3.9–4.5 mm), accounting for 3.6% and 6.3% of the total number of distributed droplets, respectively. The model can also predict the droplet size distribution at any wind direction overall the irrigated pattern.
format	article
author	Xingye Zhu Joseph Kwame Lewballah Alexander Fordjour Xiaoping Jiang Junping Liu Samuel Anim Ofosu Frank Agyen Dwomoh
author_facet	Xingye Zhu Joseph Kwame Lewballah Alexander Fordjour Xiaoping Jiang Junping Liu Samuel Anim Ofosu Frank Agyen Dwomoh
author_sort	Xingye Zhu
title	Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes
title_short	Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes
title_full	Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes
title_fullStr	Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes
title_full_unstemmed	Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes
title_sort	modelling of water drop movement and distribution in no wind and windy conditions for different nozzle sizes
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d5a0fb4c9d3b4d4382b77f5b09fde90f
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Modelling of Water Drop Movement and Distribution in No Wind and Windy Conditions for Different Nozzle Sizes

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