بهره‌برداری بهینه از شبکه‌های توزیع آب شهری تحت شرایط کمبود به‌روش تأمین نوبتی

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، گروه مهندسی آبیاری و آبادانی، دانشگاه تهران

2 استاد گروه مهندسی آبیاری و آبادانی، دانشگاه تهران

3 دانشجوی کارشناسی ارشد، گروه مهندسی آب، دانشگاه شهرکرد

چکیده

در شرایط کمبود، مدیریت مصرف در شبکه‌های توزیع آب شهری اجتناب‌ناپذیر است. یکی از راهکارهای مدیریتی، بهره‌برداری به روش تأمین نوبتی آب در شبکه توزیع است. بهره‌برداری به این روش، این امکان را فراهم می‌آورد تا با قطع آب برخی از مصرف‌کنندگان در بعضی از زمان‌ها، بتوان در زمان‌های وصل آب، نیاز گره‌های مصرفی را تحت فشار مطلوب تأمین نمود. یکی از مواردی که در تأمین آب به‌صورت نوبتی حائز اهمیت است، رعایت یکنواختی توزیع آب بین مصرف‌کنندگان است. در تحقیق حاضر یکنواختی توزیع آب و تأمین یک مقدار حداقل از آب، برای همه مصرف‌کنندگان به‌ترتیب با عنوان عدالت و انصاف، تعریف شده‌اند. در این تحقیق یک مدل بهینه‌سازی برای یافتن برنامه زمانی بهینه تأمین نوبتی با هدف بیش‌سازی تعداد تأمین‌ها، و همزمان تأمین قیودات مربوط به بهره‌برداری از شبکه‌های توزیع آب توسعه داده شد. برای نشان دادن کارایی مدل ارائه شده، عملکرد آن برای شرایط کمبود آب متفاوت، توسط چندین سناریو در یک شبکه توزیع نمونه دوحلقه‌ای، مورد بررسی قرار گرفت. برای حل مدل بهینه‌سازی از ایجاد ارتباط بین الگوریتم بهینه‌سازی HBMO و شبیه‌ساز هیدرولیکی EPANET استفاده شد. نتایج به‌دست آمده حاکی از کارآمدی مدل بهینه‌سازی توسعه داده شده به‌منظور یافتن برنامه زمانی بهینه تأمین نوبتی است. به‌طوری که حتی در شرایط تنش آبی بسیار شدید نیز مدل ارائه شده، آب موجود را به‌صورت 100 درصد عادلانه همراه با رعایت انصاف، بین مصرف‌کنندگان توزیع نمود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Optimal Intermittent Operation of Water Distribution Networks under Water Shortage

نویسندگان [English]

  • mohamad Solgi 1
  • omid bozorg haddad 2
  • Parisa Ghasemi Abiazani 3
1 MSc Student of Irrigation and Reclamation Engineering, University of Tehran
2 Prof. of Irrigation and Reclamation Engineering, University of Tehran
3 MSc Student of Water Engineering, university of Shahrekord
چکیده [English]

Under water shortage conditions, it is necessary to exercise water consumption management practices in water distribution networks (WDN). Intermittent supply of water is one such practice that makes it possible to supply consumption nodal demands with the required pressure via water cutoff to some consumers during certain hours of the day. One of the most important issues that must be observed in this management practice is the equitable and uniform water distribution among the consumers. In the present study, uniformity in water distribution and minimum supply of water to all consumers are defined as justice and equity, respectively. Also, an optimization model has been developed to find an optimal intermittent supply schedule that ensures maximum number of demand nodes are supplied with water while the constraints on the operation of water distribution networks are also observed. To show the efficiency of the proposed model, it has been used in the Two-Loop distribution network under several different scenarios of water shortage. The optimization model has been solved using the honey bee mating optimization algorithm (HBMO) linked to the hydraulic simulator EPANET. The results obtained confirm the efficiency of the proposed model in achieving an optimal intermittent supply schedule. Moreover, the model is found capable of distributing the available water in an equitable and just manner among all the consumers even under severe water shoratges.

کلیدواژه‌ها [English]

  • Water Distribution Network
  • water deficiency
  • Intermittent Supply
  • Optimal Operation
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