ارائه یک رویکرد ساده برای مدیریت فشار و نشت در شبکه‌های توزیع آب واقعی با برنامه‌ریزی بهره‌برداری بهینه شیرها

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، گروه مهندسی عمران، دانشکده فنی و مهندسی، دانشگاه شهید مدنی آذربایجان، تبریز.

2 دانشجوی دکتری مهندسی عمران آب و سازه‌های هیدرولیکی، دانشگاه صنعتی سهند، تبریز.

چکیده

مدیریت فشار یک روش کارا و ارزان برای کاهش نشت در شبکه‌های توزیع آب است که با بهره‌برداری اصولی شیرها، پمپ‌ها، مخازن و تانک‌ها ممکن می‌باشد. در شبکه‌های توزیع آب، شیرهای زیادی وجود دارند که صرفاً برای انجام تعمیرات در صورت اتفاق مورد استفاده قرار می‌گیرند. در این مقاله یک رویکرد ساده برای مدیریت فشار و نشت در شبکه‌ها با برنامه‌ریزی بهره‌برداری بهینه شیرهای موجود ارائه شده است. برای این منظور با بکارگیری شاخص‌ مکانیابی شیرها، موقعیت بهینه شیرهای فرضی تعیین و میزان بازشدگی آنها در حالت‌های حداقل، متوسط و حداکثر مصرف بهینه شده است. بهینه‌سازی با تلفیق الگوریتم‌های دسته ذرات و جامعه مورچگان و شبیه‌ساز EPANET در محیط MATLAB انجام شده است. روش پیشنهادی بر روی دو شبکه نمونه و واقعی اجرا شده است. نتایج نشان می‌دهد که در حالت‌های متوسط و حداکثر مصرف، بهبود قابل توجهی در عملکرد هر دو شبکه ایجاد شده است، بطوری‌که قابلیت اطمینان شبکه توزیع آب شهر مراغه به ترتیب 22 و 24 درصد و  نشت در آن به ترتیب 31 و 20 درصد نسبت به حالت پایه بهبود یافته است. در مجموع با بکارگیری این رویکرد، می‌توان با تنظیم دستی تعدادی از شیرهای منتخب موجود در شبکه‌های واقعی عملکرد آنها را بهبود داد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Presenting a Simple Approach to Pressure and Leakage Management in Real Water Distribution Networks by Optimal Operational Scheduling of Valves

نویسندگان [English]

  • Mahdi Dini 1
  • Asghar Asadi 2
1 Assistant Professor, Civil Engineering Department, College of Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran.
2 Ph.D. Student, Faculty of Civil Engineering, Sahand University of Technology Tabriz, Iran.
چکیده [English]

Pressure management is an efficient and inexpensive way to reduce leakage in water distribution networks, which is usually possible by systematical operation of valves, pumps, reservoirs, and tanks. In water distribution networks, there are many valves only used during the repairs in the time of accidents. In this paper, a simple approach is proposed for managing pressure and leakage in networks with optimal scheduling of the existing valves’ operation. For this purpose, the optimal locations of the valves are determined by using the valve selection index and their opening rate has been optimized in the minimum, medium and maximum consumption conditions. The optimization was done by combining particle swarm and ant colony optimization algorithm and EPANET simulator within the framework of MATLAB. The proposed method is performed both on a sample and the real network. The results show that there is a significant improvement in the performance of both networks in the average and maximum consumption conditions, so that, the reliability of the Maragheh city network is improved by 22 and 24 percent and leakage by 31 and 20 percent, respectively, compared to the base model. In general, using this approach can improve the performance of real networks by manual programming of a number of selected valves.

کلیدواژه‌ها [English]

  • pressure
  • Leakage
  • Valves
  • Water Distribution Network
  • optimization
  • Reliability
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