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Effect of Changing Trajectory angle on Sprinkling Radius

تغير زاوية الرش و تأثيرها في نصف قطر الرش

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 Publication date 2016
  fields
and research's language is العربية
 Created by Shamra Editor




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Choosing of sprinkler trajectory angle and estimation of its changing is an important factor in sprinkling irrigation systems. Farmers choose sprinklers with small trajectory angle when they used treatment wastewater, or water is spraying below tree canopy. while sprinklers with high trajectory angle used when spraying above canopy.


Artificial intelligence review:
Research summary
تتناول هذه الدراسة تأثير زاوية الرش على نصف قطر الرش في أنظمة الري بالرش. استخدم الباحثان مرش بلاستيكي محلي الصنع من نوع (TOBCO) لإجراء تجارب في صالة مغلقة، حيث تم قياس أنصاف أقطار وارتفاعات الرش لزوايا رش مختلفة تتراوح بين 9 و 39 درجة وضغوط تشغيل تتراوح بين 2.0 و 5.8 كجم/سم². أظهرت النتائج أن زاوية الرش التي تعطي أكبر نصف قطر رش تتراوح بين 26 و 32 درجة حسب ضغط التشغيل. كما تبين أن ميل الأنبوب الصاعد عن الشاقول يؤدي إلى تغير في زاوية الرش، مما يؤثر على شكل المساحة المرطبة. تم استخدام منحنيات لتحديد تغير نصف قطر الرش مع زاوية الرش لضغوط تشغيل مختلفة. أشارت الدراسة إلى أهمية أخذ تغير زاوية الرش في الاعتبار عند تصميم أنظمة الري بالرش لضمان توزيع المياه بشكل متساوٍ وفعال.
Critical review
دراسة نقدية: تعتبر هذه الدراسة مهمة في مجال تحسين كفاءة أنظمة الري بالرش، حيث توفر بيانات دقيقة حول تأثير زاوية الرش على نصف قطر الرش. ومع ذلك، يمكن تحسين الدراسة من خلال تضمين تجارب ميدانية في ظروف بيئية مختلفة بدلاً من الاعتماد فقط على التجارب في صالة مغلقة. كما يمكن توسيع نطاق البحث ليشمل أنواع أخرى من المرشات والمواد المستخدمة في تصنيعها. بالإضافة إلى ذلك، يمكن أن تكون الدراسة أكثر شمولية إذا تم تضمين تحليل اقتصادي لتكلفة وفوائد تعديل زوايا الرش في أنظمة الري المختلفة.
Questions related to the research
  1. ما هي زاوية الرش التي تعطي أكبر نصف قطر رش حسب الدراسة؟

    زاوية الرش التي تعطي أكبر نصف قطر رش تتراوح بين 26 و 32 درجة حسب ضغط التشغيل.

  2. ما هو تأثير ميل الأنبوب الصاعد على زاوية الرش؟

    ميل الأنبوب الصاعد عن الشاقول يؤدي إلى تغير في زاوية الرش، مما يؤثر على شكل المساحة المرطبة.

  3. ما هي أهمية أخذ تغير زاوية الرش في الاعتبار عند تصميم أنظمة الري بالرش؟

    أخذ تغير زاوية الرش في الاعتبار يضمن توزيع المياه بشكل متساوٍ وفعال، مما يحسن كفاءة أنظمة الري بالرش.

  4. ما هي الضغوط التشغيلية المستخدمة في التجارب؟

    الضغوط التشغيلية المستخدمة في التجارب تتراوح بين 2.0 و 5.8 كجم/سم².


References used
Drupka, S., 1980- Deszczownie i Deszczowanie, Panstwowe Wydawnictwo Rolnych i Lesne, Warszawa, p644
Friso, D., Bortolini, L., 2012- Influence of the trajectory angle and nozzle height from the ground on water distribution radial curve of a sprinkler, Journal of agricultural engineering,Vol43,No1, Italy
John Deere Water, 2014 - Sprinkler & Sprays, WWW.JohenDeereWater.com
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