مطالعه تجربی بهبود انتقال حرارت در رادیاتور خودرو 206 با استفاده از نانوسیالات اکسیدی

یعقوبی, احمد; پورمیرزاآقا, هامون

doi:10.22034/stme.2025.515147.1117

مطالعه تجربی بهبود انتقال حرارت در رادیاتور خودرو 206 با استفاده از نانوسیالات اکسیدی

نوع مقاله : مقاله علمی

نویسندگان

احمد یعقوبی ¹

هامون پورمیرزاآقا ²

¹ کارشناسی ارشد، گروه مکانیک، واحد لنگرود، دانشگاه آزاد اسلامی، لنگرود، ایران

² استادیار، گروه مکانیک و هوافضا، واحد رامسر، دانشگاه آزاد اسلامی، رامسر، ایران

10.22034/stme.2025.515147.1117

چکیده

افزایش انتقال حرارت در رادیاتور خودرو یکی از جنبه‌های مهم صنعت خودروسازی می‌باشد. در سال‌های اخیر تأکید بیشتری بر روی انتقال حرارت نانوسیال در انواع مختلف مبدل‌های حرارتی صورت گرفته است اما مطالعات انگشت‌شماری روی رادیاتور انجام شده است. در این مقاله، سیالات خنک‌کننده آب و نانوسیالات اکسید آلومینیم و اکسید مس در سه درصد وزنی 1/0، 3/0 و 1 بهصورت آزمایشگاهی در رادیاتور خودرو 206 برای بررسی انتقال حرارت استفاده و با هم مقایسه شده‌اند. تست‌ها برای دو حالت دور تند و متوسط فن و در چهار دور موتور مختلف صورت پذیرفتهاست. نتایج نشان داد که در دور تند فن، بیشترین میزان افزایش انتقال حرارت نسبت به آب برای نانوسیال اکسید آلومینیوم در درصد وزنی 1% و دور موتور rpm 1152 حاصل شد که 52/29 درصد بیشتر می‌باشد. برای نانوسیال اکسید مس و دور تند فن نیز بیشترین افزایش انتقال حرارت در درصد حجمی 1% و دور موتور rpm 1152 حاصل شد که 52/39 درصد بیشتر از آب معمولی است. در دور متوسط فن نیز بیشترین افزایش انتقال حرارت برای هر دو نانوسیال نسبت به آب در دور موتور rpm 1152 و درصد وزنی 1% اتفاق میافتد که برای نانوسیال اکسید آلومینیوم و اکسید مس به ترتیب 80/27 و 30/35 درصد افزایش را نشان می‌دهد.

کلیدواژه‌ها

انتقال حرارت

رادیاتور

نانوسیال

اکسید آلومینیوم

اکسید مس

موضوعات

ترمودینامیک و انتقال‌حرارت

عنوان مقاله English

Experimental Study on Enhancement of Heat Transfer in Peugeot 206 Radiator Using Oxide Nanofluids

نویسندگان English

Ahmad Yaghoubi ¹

Hamoon Pourmirzaagha ²

¹ M.Sc, Department of Mechanical Engineering, Lan.C., Islamic Azad University, Langroud, Iran

² Assistant professor, Department of Mechanical and Aerospace Engineering, Ram.C., Islamic Azad University, Ramsar, Iran

چکیده English

Enhancing heat transfer in automobile radiators is one of the key aspects of the automotive industry. In recent years, increased emphasis has been placed on the use of nanofluids to enhance heat transfer in various types of heat exchangers; however, only a limited number of studies have focused specifically on radiators. In this study, water and two nanofluids (aluminum oxide (Al₂O₃) and copper oxide (CuO)) were experimentally tested in a Peugeot 206 radiator to investigate and compare their heat transfer performance. The nanofluids were prepared at three different weight concentrations: 0.1%, 0.3%, and 1.0%. The experiments were conducted at two fan speeds (medium and high) and four different engine speeds. The results showed that, under high fan speed, the maximum enhancement in heat transfer compared to water was achieved with the Al₂O₃ nanofluid at 1.0 wt% and an engine speed of 1152 rpm, reaching a 29.52% increase. For the CuO nanofluid under the same conditions, the highest enhancement occurred at 1.0 wt% and 1152 rpm, with a 39.52% increase over water. At medium fan speed, the greatest heat transfer improvement for both nanofluids was also observed at 1.0 wt% and 1152 rpm, with the Al₂O₃ and CuO nanofluids showing 27.80% and 35.30% increases, respectively.

کلیدواژه‌ها English

Heat transfer

Radiator

Nanofluid

Aluminum oxide

Copper oxide

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