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98614

DEVELOPMENT A COMPUTER MODEL TO DETERMINE THE OPTIMUM LATERAL LENGTH OF MICROIRRIGATION SYSTEMS

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Last updated: 04 Jan 2025

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Abstract

This study was carried out for developing a computer model to determine the optimum length of lateral in microirrigation systems. The model was designed to obtain a flow variation (qvar) of 10, 15 and 20 % and/or coefficient of uniformity (CU) greater than 85 %. The model was then validated by a hydraulic experiment which measure CU of five emitters. The examined emitters were in-line (Em3), on-line (Em1, Em2; Em4) and Em5 was  microtube (a 3.80 mm inside diameter with a length of 50 cm), at four lateral lengths, under seven operating pressures. The theoretical model and the validation experiment were compared indicating that there was a strong relationship with coefficient of determination (R2) more than 0.95 between the measured and predicted CU for Em1, Em2 and Em3, while this relationship was decreased with R2 about 0.80 for Em4 and Em5 at different treatments.

DOI

10.21608/mjae.2015.98614

Keywords

Computer modeling, Lateral, pressure, Uniformity, Microirrigation system

Authors

First Name

A. F.

Last Name

Khedr

MiddleName

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Affiliation

Assistant lecturer, of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

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First Name

M. A.

Last Name

Rashad

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Affiliation

lecturer, of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

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Orcid

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First Name

G. M.

Last Name

ElMasry

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-

Affiliation

Assistant Prof., Associate Prof. and Prof. of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

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City

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Orcid

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First Name

A. S.

Last Name

El-Sayed

MiddleName

-

Affiliation

Prof. of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

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City

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Orcid

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First Name

M. M.

Last Name

Hegazi

MiddleName

-

Affiliation

Prof. of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Ain Shams Univ., Egypt.

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Orcid

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Volume

32

Article Issue

2

Related Issue

14964

Issue Date

2015-04-01

Receive Date

2020-06-27

Publish Date

2015-04-01

Page Start

643

Page End

660

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 32_Issue 2_Pages 643-660.pdf

PDF . 779.7kB

Link

https://mjae.journals.ekb.eg/article_98614.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=98614

Order

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Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

DEVELOPMENT A COMPUTER MODEL TO DETERMINE THE OPTIMUM LATERAL LENGTH OF MICROIRRIGATION SYSTEMS

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Article

Created At

23 Jan 2023