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1 Journal of Water and Land Development

1 2021

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EUSS – computer model to evaluate emission uniformity for sloping surfaces under drip irrigation system

Abo Zied Wafaa, Hanafy Mohammed, Mostafa Ehab, Abo Habssa Ahmed

Journal of Water and Land Development

2021

no. 48

1--10

A computer model EUSS (Emission Uniformity on Sloping Surfaces) has been developed to design and evaluate the system capacity under operating conditions for drip irrigation system. And achieve the desired value of emission uniformity that is not significantly different according to the recommended values by applying it in field experiment located at Al-Slahia city, Egypt. The model has the ability to design the system by all of the common design techniques and have ability to customize any of them. EUSS model includes two main parts: crop water requirements, and hydraulic calculations of the system using metric unit system. It developed in graphical user interface of the programming language C-sharp (C#) by using Microsoft Visual Studio. The model database is containing the equations, tables and reference values to get more rapid and accurate results, and gives the opportunity for selecting some parameters such as: soil properties, characteristics of the corresponding crop, and climatic data. EUSS model allows the user to assume or set definite values, for example plot layout, land slopes and topography, the emitter characteristics and operating conditions.