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وحیدی نیا, فرهاد. (1403). ارزیابی انرژی و اگزرژی یک کلکتور خورشیدی سهموی مجهز به لوله‌ جاذب پره داخلی و توربولاتور ستاره‌ای‌‌. سامانه مدیریت نشریات علمی, 36(2), 97-114. doi: 10.22067/jacsm.2023.83484.1199
فرهاد وحیدی نیا. "ارزیابی انرژی و اگزرژی یک کلکتور خورشیدی سهموی مجهز به لوله‌ جاذب پره داخلی و توربولاتور ستاره‌ای‌‌". سامانه مدیریت نشریات علمی, 36, 2, 1403, 97-114. doi: 10.22067/jacsm.2023.83484.1199
وحیدی نیا, فرهاد. (1403). 'ارزیابی انرژی و اگزرژی یک کلکتور خورشیدی سهموی مجهز به لوله‌ جاذب پره داخلی و توربولاتور ستاره‌ای‌‌', سامانه مدیریت نشریات علمی, 36(2), pp. 97-114. doi: 10.22067/jacsm.2023.83484.1199
وحیدی نیا, فرهاد. ارزیابی انرژی و اگزرژی یک کلکتور خورشیدی سهموی مجهز به لوله‌ جاذب پره داخلی و توربولاتور ستاره‌ای‌‌. سامانه مدیریت نشریات علمی, 1403; 36(2): 97-114. doi: 10.22067/jacsm.2023.83484.1199

ارزیابی انرژی و اگزرژی یک کلکتور خورشیدی سهموی مجهز به لوله‌ جاذب پره داخلی و توربولاتور ستاره‌ای‌‌

علوم کاربردی و محاسباتی در مکانیک
مقاله 7، دوره 36، شماره 2 - شماره پیاپی 36، مرداد 1403، صفحه 97-114    اصل مقاله (1.9 M)
نوع مقاله: مقاله پژوهشی
شناسه دیجیتال (DOI): 10.22067/jacsm.2023.83484.1199
نویسنده
فرهاد وحیدی نیا*
گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه زابل، زابل، ایران
چکیده
در این مقاله، عملکرد انرژی و اگزرژی یک کلکتور خورشیدی سهموی خطی حاوی روغن حرارتی با دریافت‌کننده مجهز به پره داخلی و توربولاتور ستاره‌ای‌شکل به صورت عددی مطالعه شده است. جریان سیال داخل لوله جاذب کلکتور به صورت مغشوش و عدد رینولدز در بازه‌ی 104×2 تا 105 در نظر گرفته شده است. به منظور شبیه‌سازی جریان سیال از نرم‌افزار انسیس- فلوئنت استفاده شده است. در این مقاله از یک لوله جاذب جدید مجهز به پره داخلی و توربولاتور ستاره‌ای شکل با پره‌های طولی مستطیلی استفاده شده و لوله جاذب پره مرکب نامیده شده است. بر این اساس عملکرد انرژی و اگزرژی کلکتور با وجود و یا عدم وجود پره و توربولاتور در داخل لوله جاذب در 6 حالت مختلف مقایسه و تحلیل شده است. بررسی نتایج نشان داد که کلکتور با لوله جاذب پره مرکب با پره داخلی بزرگ بیشترین بازده انرژی و اگزرژی را دارد. همچنین بیشترین افزایش بازده انرژی و اگزرژی کلکتور هنگام استفاده از این نوع لوله جاذب به‌جای لوله جاذب ساده به ترتیب برابر با 96/5 و 76/6 درصد است. از طرفی دیگر نتایج نشان داد که مقادیر معیار ارزیابی عملکرد برای لوله‌های جاذب پره مرکب با پره داخلی بزرگ و لوله جاذب پره داخلی بزرگتر از 1 و بیشترین مقدار آن 62/1 نتیجه شد.
کلیدواژه‌ها
کلکتور خورشیدی سهموی خطی؛ لوله جاذب پره مرکب؛ توربولاتور؛ اگزرژی؛ انرژی؛ معیار ارزیابی عملکرد
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آمار
تعداد مشاهده مقاله: 379
تعداد دریافت فایل اصل مقاله: 219


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