بررسی یک راهکار ترکیبی انرژی تجدیدپذیر برای مناطق خشک: ترکیب سامانه‌های فتوولتایی-گرمایی با تقطیر و ترموالکتریک (VMED-PVT-TC)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری ، دانشگاه کاشان، کاشان، ایران

2 استاد ، دانشگاه کاشان،کاشان، ایران

3 استادیار،دانشگاه صنعتی جندی شاپور دزفول، دزفول، ایران

چکیده

با توجه به چالش‌های فزاینده در تأمین آب شیرین در مناطق دورافتاده و کم‌آب، استفاده از سامانه‌های تقطیر خورشیدی به‌ویژه در ترکیب با فناوری‌های نوین، به‌عنوان رویکردی پایدار موردتوجه قرارگرفته است. اگرچه سامانه‌های تقطیر خورشیدی چنداثره انتشار عمودی‌(VMED) به دلیل طراحی ساده، راندمان بالا و کیفیت مناسب آب تولیدی کاربرد فراوانی یافته‌اند، اما همچنان بهینه‌سازی مصرف انرژی و افزایش بهره‌وری آن‌ها یک چالش محسوب می‌شود. در این راستا، شکاف تحقیقاتی موجود مربوط به تلف شدن بخشی از انرژی حرارتی و نبود رویکردهای تلفیقی مؤثر برای بازیابی آن است. این پژوهش باهدف افزایش کارایی سامانه‌های نمک‌زدایی حرارتی خورشیدی، به تحلیل عملکرد یک سیستم ترکیبی متشکل از پنل‌های فتوولتائیک-حرارتی (PV/T)، ماژول‌های ترموالکتریک و سامانه تقطیر عمودی چنداثره می‌پردازد. در طراحی سیستم، پنل‌های PV/T وظیفه تأمین هم‌زمان انرژی الکتریکی و حرارتی را بر عهده‌دارند و ماژول‌های ترموالکتریک به‌منظور خنک‌سازی و کاهش دمای صفحه کند انس که اثر مستقیم بر تولید اب شیرین دارند. ارزیابی عملکرد سیستم نشان می‌دهد حداکثر آب تولیدی در واحد تقطیر 5/2 لیتر در 8765 ساعت است. در طول یک سال، استفاده از اثر ترموالکتریک بر بخش تقطیر سامانه موجب افزایش راندمان تولید آب شیرین سیستم تا ۲۳٪ می‌گردد. همچنین مشخص گردید که عملکرد خنک‌کننده ترموالکتریک در دماهای پایین‌تر بهتر است زیرا می‌تواند دمای هوای خروجی را به زیر نقطه شبنم کاهش دهد. بیشترین میزان رطوبت حذف‌شده توسط خنک‌کننده ترموالکتریک ۰.۰۳۵ کیلوگرم در ۸765 ساعت بوده است.
 

کلیدواژه‌ها

عنوان مقاله [English]

Assessment of a Hybrid Renewable Energy Solution for Arid Regions: Integration of Photovoltaic-Thermal, Distillation, and Thermoelectric Systems (VMED-PVT-TC)

نویسندگان [English]

  • Mohammad Hassan kamyab 1
  • Ali Akbar Abbassian Arani 2
  • Saeed Esfandeh 3
1 PhD student, Kashan University, Kashan, Iran
2 Professor, Kashan University, Kashan, Iran
3 Assistant Professor, Jundishapur University of Technology, Dezful, Dezful, Iran
چکیده [English]

Given the increasing challenges in providing fresh water in remote and arid regions, the use of solar distillation systems, particularly in combination with modern technologies, has gained attention as a sustainable approach. Although vertical multi-effect diffusion solar stills (VMED) are widely used due to their simple design, high efficiency, and good water quality, optimizing their energy consumption and improving their productivity remains a challenge. In this context, the existing research gap pertains to the loss of thermal energy and the lack of effective integrated approaches for its recovery. This study aims to enhance the efficiency of solar-thermal desalination systems by analyzing the performance of a hybrid system consisting of photovoltaic-thermal (PV/T) panels, thermoelectric modules, and a vertical multi-effect diffusion distillation unit. In the system design, PV/T panels are responsible for simultaneously supplying electrical and thermal energy, while thermoelectric modules are used for cooling and reducing the temperature of the condensation plate, which directly affects freshwater production. Performance evaluation of the system indicates a maximum freshwater production of 2.5 liters in 8760 hours. Over a year, the use of the thermoelectric effect on the distillation unit increases the system’s freshwater production efficiency by 23%. Additionally, it was found that the thermoelectric cooler performs better at lower temperatures, as it can reduce the outlet air temperature below the dew point. The maximum moisture removed by the thermoelectric cooler was 0.035 kg in 8600 hours.

کلیدواژه‌ها [English]

  • Solar energy
  • Hybrid system
  • Desalination
  • Thermoelectric
  • Photovoltaic-thermal (PV/T)

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مکانیک سیالات و آیرودینامیک
دوره 14، شماره 1 - شماره پیاپی 35
بهار و تابستان 1404
شهریور 1404
صفحه 61-81

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سابقه مقاله

  • تاریخ دریافت: 09 اردیبهشت 1404
  • تاریخ بازنگری: 28 تیر 1404
  • تاریخ پذیرش: 12 مرداد 1404
  • تاریخ انتشار: 10 شهریور 1404

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