مطالعة تجربی اثر نخ‌های هدایت‌کنندة آب تقطیر شده بر روی عملکرد آب‌شیرین‌کن خورشیدی پلکانی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه اراک، اراک، ایران

2 پژوهشکده فناوری‌های نوین، دانشگاه اراک، اراک، ایران، صندوق پستی 8349-8-38156

چکیده

ازآنجایی‌که بیشتر سطح کرة زمین را آب ‌شور پوشانده است و باتوجه‌به دسترسی آسان به انرژی خورشید، تصفیه آب با استفاده از انرژی خورشید، موردتوجه پژوهشگران می‌باشد. در این پژوهش، یک دستگاه آب‌شیرین‌کن خورشیدی پلکانی ساخته شده و در شهر اراک موردمطالعه آزمایشگاهی قرار گرفته است. به همین منظور، تأثیر پنج متغیر ورودی بر میزان استحصال آب بر واحد سطح جاذب به‌عنوان متغیر خروجی، با استفاده از طراحی آزمایش به روش تاگوچی بررسی شده است. این متغیرهای ورودی شامل دبی آب ‌شور، زاویة دستگاه، رنگ صفحة جاذب، تعداد و فاصلة نخ‌های هدایت‌کنندة آب تقطیرشده در هر ردیف بوده‌اند. این تحقیق ازاین‌جهت منحصربه‌فرد است که از نخ‌های پلاستیکی برای ایجاد مسیرهایی بر روی سطح شیشه پوششی استفاده کرده تا آب تقطیر شده را به مخزن آب شیرین هدایت کند. همچنین بررسی هم‌زمان تأثیر پارامترهای ورودی از نوآوری‌های این پژوهش می‌باشد. بر اساس نتایج به‌دست‌آمده، بیشترین خروجی آب شیرین، به میزان 1975 میلی‌لیتر بر مترمربع، زمانی حاصل می‌شود که دبی ورودی آب شور 50 میلی‌لیتر بر دقیقه، زاویة دستگاه 40 درجه، رنگ صفحة جاذب مشکی، تعداد نخ‌های هدایت‌کنندة آب در هر ردیف 2 عدد و فاصلة ردیف‌ها 8 میلی‌متر باشد. همچنین نتایج نشان دادند که استفاده از 2 عدد نخ‌ هدایت‌کنندة آب در هر ردیف و به فاصلة 8 میلی‌متر از همدیگر سبب افزایش میزان استحصال آب بر واحد سطح شده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Experimental study of the effect of distilled water-conducting threads on the performance of stepped solar still

نویسندگان [English]

  • Mohammad Khalili 1 2
  • Moein Taheri 1 2
  • Milad Salehi 1
  • Zahra Sadat Eghdami 1
1 Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran|Institute of Advanced Technology, Arak University, Arak, PO Box 38156-8-8349, Iran
2 Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran|Institute of Advanced Technology, Arak University, Arak, PO Box 38156-8-8349, Iran
چکیده [English]

Because saltwater covers the majority of the Earth's surface and solar energy is readily available, water treatment using solar energy has piqued academics' interest. A stepped solar still was built and tested experimentally in Arak as part of this study. For this purpose, the effect of five input parameters on the amount of freshwater production per unit area of absorber plate as the output variable was investigated using the Taguchi design of experiment method, including saline water flow rate, device angle, absorber plate color, number, and spacing of distilled water-conducting threads in each row. This research is unique in that it uses plastic threads to create channels on the cover glass surface that lead distilled water to the freshwater tank. In addition, the simultaneous study of the effect of input parameters is one of the innovations of this research. According to the findings, the highest freshwater output of 1975 ml/m2, was obtained when the input saline water flow rate was 50 ml/min, the device angle was 40 °, the absorber plate was black, the number of water-conducting threads in each row was 2, and the row spacing was 8 mm. Also, the research showed that using two water-conducting threads in each row and spacing them 8 mm apart increased the amount of water produced per unit of surface area.

کلیدواژه‌ها [English]

  • Experimental study
  • stepped solar still
  • desalination
  • water-conducting thread
  • Taguchi method
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