بررسی آزمایشگاهی و مدل‌سازی عددی تأثیر استفاده از مانع نوار تابیدۀ منتخب بر عملکرد سیستم فتوولتاییک حرارتی

علوم کاربردی و محاسباتی در مکانیک

دوره 33، شماره 2 - شماره پیاپی 26، اسفند 1400، صفحه 1-22   

نوع مقاله: مقاله پژوهشی

شناسه دیجیتال (DOI): 10.22067/jacsm.2022.74538.1083

نویسندگان

محمدرضا کلاته¹؛ علی کیانی فر^{* 1}؛ محمد سردارآبادی²

¹مهندسی مکانیک، دانشکده مهندسی، مشهد، ایران

²دانشگاه صنعتی قوچان ، دانشکده مهندسی، گروه انرژی

چکیده

تاکنون پژوهش‫های آزمایشگاهی زیادی در زمینۀ قرار دادن انواع مانع جریان در کلکتور خورشیدی انجام شده‌است اما تأثیر استفاده از مانع نوار تابیده داخل کلکتور یک واحد فتوولتاییک حرارتی انجام نشده که برای اولین بار در این پژوهش به‌صورت آزمایشگاهی صورت می‫گیرد. ده نوع نوار تابیده برگرفته از تحقیقات پژوهشگران در گذشته که دارای بالاترین کارایی نسبت‌به سایر موانع جریان در داخل لوله بودند به‌منظور بررسی و تعیین بهترین نوار انتخاب شدند. باتوجه به هزینه‌های بالای مواد و لوازم مصرفی، تجهیزات مورد نیاز، تولید نوارهای تابیده و انجام آزمایش‌ها، بررسی نوارهای تابیدۀ مذکور برای انتخاب بهترین نوار تابیده به‌صورت عددی انجام خواهد شد؛ لذا به‌منظور صحه‌گذاری مدل‌سازی عددی، بستر آزمایشگاهی برای انجام آزمایش‌های لولۀ صاف بدون/با نوار تابیدۀ ساده آماده گردید. پس از صحه‌گذاری مدل عددی، بررسی عددی 10 نوع نوار تابیدۀ منتخب (با اشکال مختلف) در شرایط یکسان انجام و بهترین نوار تابیده (دارای بالاترین کارایی) انتخاب شد. درنهایت، نوار تابیدۀ منتخب در لوله‫های کلکتور( مدل هدر- رایزر) واحد فوتوولتاییک حرارتی جای‌گذاری و اثر آن به‌صورت آزمایشگاهی با شبیه‌ساز خورشیدی ارزیابی گردید.

کلیدواژه‌ها

انرژی خورشیدی؛ موانع جریان داخل لوله؛ نوار تابیده؛ نوار تابیده منتخب؛ فوتوولتاییک حرارتی

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