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Investigation and evaluation of perforated pipes system using plastic microfilm for improving surface irrigation performance

By:

Samak, A. A

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Language: English Summary language: Arabic Description: 309 - 316 pOther title:

اختبار وتقييم نظام أنابيب مثقبة باستخدام بلاستيك ميكروفيلم لتحسين الري السطحي [Added title page title]

Uniform titles:

Mansoura university journal of soil sciences and agricultural engineering, 2023 v. 14 (9) [electronic resources].

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Full Text Article.

In: Mansoura University Journal of Soil Sciences and Agirucultural Engineering 2023.v.14(9)Summary: Irrigation using the perforated pipes system is a way for furrow and border irrigation, and it has been perhaps one of the simplest and most effective ways of improving the flexibility and efficiency of water supplies. The main objective of this work is to study the possibility of utilizing plastic microfilm as a perforated tube for irrigation. Also, studying some factors that affect water uniformity distribution along perforated plastic microfilm tubes (PPMT). Plastic microfilm tubes with different diameters of 190, 254, and 320 mm were investigated to use as perforated tubes for irrigation with orifices diameters of 20, 40, 60, and 80 mm. The obtained results of the tube diameter of 190 mm generally showed that the pressure head dropped gradually in the perforated plastic microfilm tube and this dropping trend ended after that increased gradually until the tube ended. The pressure head variation (Hvar) along the tube was about 31.25% and 25.81 % for orifices diameters of 20, and 40 mm, respectively. The actual discharge (Qact) of the orifices were closely varied along the tube length. Meanwhile, the theoretical discharge (Qth) dropped gradually in the tube. The discharge variation (Qvar) along the tube was about 40.49% and 12.06% for orifices diameters of 20, and 40 mm, respectively. The pressure head variation value ranged from 25.81 to 64.71% and the discharge variation ranged from 12.06 to 58.66% for investigation conditions. Keywords: Surface Irrigation; Gated Pipes; Perforated Pipes; Plastic Microfilm

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Item type	Current library	Call number	Status	Date due	Barcode
Articles	Main	ART MUJSSAE V14 No9 7 (Browse shelf(Opens below))	Available

Includes references.

Irrigation using the perforated pipes system is a way for furrow and border irrigation, and it has been perhaps one of the simplest and most effective ways of improving the flexibility and efficiency of water supplies. The main objective of this work is to study the possibility of utilizing plastic microfilm as a perforated tube for irrigation. Also, studying some factors that affect water uniformity distribution along perforated plastic microfilm tubes (PPMT). Plastic microfilm tubes with different diameters of 190, 254, and 320 mm were investigated to use as perforated tubes for irrigation with orifices diameters of 20, 40, 60, and 80 mm. The obtained results of the tube diameter of 190 mm generally showed that the pressure head dropped gradually in the perforated plastic microfilm tube and this dropping trend ended after that increased gradually until the tube ended. The pressure head variation (Hvar) along the tube was about 31.25% and 25.81 % for orifices diameters of 20, and 40 mm, respectively. The actual discharge (Qact) of the orifices were closely varied along the tube length. Meanwhile, the theoretical discharge (Qth) dropped gradually in the tube. The discharge variation (Qvar) along the tube was about 40.49% and 12.06% for orifices diameters of 20, and 40 mm, respectively. The pressure head variation value ranged from 25.81 to 64.71% and the discharge variation ranged from 12.06 to 58.66% for investigation conditions.
Keywords: Surface Irrigation; Gated Pipes; Perforated Pipes; Plastic Microfilm

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