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98396

DESIGN OF CENTER PIVOT IRRIGATION SYSTEM BASED ON SIMULATION MODEL TECHNIQUE

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Last updated: 04 Jan 2025

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Abstract

Centre pivot irrigation system is a promising and precise system, for increasing the utilization efficiency of unit water. Hence, A CPIM simulation model has been developed and validated, however, A CPIM model is based on crop type, weather data, and soil characteristics. The model comprises five sub-models for: (a) main sub-model; (b) data entry sub-model; (c) weather sub-model; (d) irrigation sub-model; and (e) results sub-model. The most important simulation outputs of the CPIM model include nozzle flow rate (m3/h), application rate (mm/h), and throw diameter (m). These outputs (outputs of 9 scenarios) were compared with observed/manufactured data for the calibration and validation of the model. Results of this comparison show that differences in model accuracy owing to different variables affecting the design and management of the center pivot were not significant. The relationships between the observed/manufactured and simulated results have a good correlation with high value of coefficient of determination and the best models are as follows: 1-   Nozzle flow rate (m3/h) was in scenario 5 with R2 = 0.967 and explained by an exponential model: Q SIM = 0.1067e4.1131 (Q obs). 2-   Application rate (mm/h) was in all scenarios with a very high R2 and explained by a linear model. 3-   Throw diameter (m) was in scenario 1 with R2 = 0.942 and explained by a power model: Dw SIM = 3.9064 (Dw MFD)0.4361.  

DOI

10.21608/mjae.2014.98396

Keywords

Simulation, model, validation, verification, Center pivot

Authors

First Name

Yousria

Last Name

Atef

MiddleName

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Affiliation

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

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First Name

Abdel-Ghany M.

Last Name

El-Gindy

MiddleName

-

Affiliation

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

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City

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Orcid

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First Name

Yasser E.

Last Name

Arafa

MiddleName

-

Affiliation

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

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City

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Orcid

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First Name

Essam A.

Last Name

Wassif

MiddleName

-

Affiliation

Agric. Eng. Research Institute, ARC, Egypt.

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Volume

31

Article Issue

4

Related Issue

14885

Issue Date

2014-10-01

Receive Date

2020-06-26

Publish Date

2014-10-01

Page Start

1,441

Page End

1,458

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 31_Issue 4_Pages 1441-1458.pdf

PDF . 1.5MB

Link

https://mjae.journals.ekb.eg/article_98396.html

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https://mjae.journals.ekb.eg/service?article_code=98396

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Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

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

MainTitle

DESIGN OF CENTER PIVOT IRRIGATION SYSTEM BASED ON SIMULATION MODEL TECHNIQUE

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Article

Created At

23 Jan 2023