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همت اسفه, محمد. (1403). رفتار حرارتی نانوسیال هیبریدی TiO2(85%)/MWCNT(15%)-(CH2OH)2(50%)/H2O(50%) تحت تاثیر عوامل دما و کسرحجمی با رویکرد روش آزمایشگاهی و سطح پاسخ. نشریه هنرهای کاربردی, 22(77), 25-36. doi: 10.22075/jme.2023.26846.2253
محمد همت اسفه. "رفتار حرارتی نانوسیال هیبریدی TiO2(85%)/MWCNT(15%)-(CH2OH)2(50%)/H2O(50%) تحت تاثیر عوامل دما و کسرحجمی با رویکرد روش آزمایشگاهی و سطح پاسخ". نشریه هنرهای کاربردی, 22, 77, 1403, 25-36. doi: 10.22075/jme.2023.26846.2253
همت اسفه, محمد. (1403). 'رفتار حرارتی نانوسیال هیبریدی TiO2(85%)/MWCNT(15%)-(CH2OH)2(50%)/H2O(50%) تحت تاثیر عوامل دما و کسرحجمی با رویکرد روش آزمایشگاهی و سطح پاسخ', نشریه هنرهای کاربردی, 22(77), pp. 25-36. doi: 10.22075/jme.2023.26846.2253
همت اسفه, محمد. رفتار حرارتی نانوسیال هیبریدی TiO2(85%)/MWCNT(15%)-(CH2OH)2(50%)/H2O(50%) تحت تاثیر عوامل دما و کسرحجمی با رویکرد روش آزمایشگاهی و سطح پاسخ. نشریه هنرهای کاربردی, 1403; 22(77): 25-36. doi: 10.22075/jme.2023.26846.2253

رفتار حرارتی نانوسیال هیبریدی TiO2(85%)/MWCNT(15%)-(CH2OH)2(50%)/H2O(50%) تحت تاثیر عوامل دما و کسرحجمی با رویکرد روش آزمایشگاهی و سطح پاسخ

مدل سازی در مهندسی
دوره 22، شماره 77، شهریور 1403، صفحه 25-36    اصل مقاله (1.17 M)
نوع مقاله: مقاله مکانیک
شناسه دیجیتال (DOI): 10.22075/jme.2023.26846.2253
نویسنده
محمد همت اسفه*
دانشیار، دانشکده فنی و مهندسی، دانشگاه جامع امام حسین(ع)، تهران، ایران
تاریخ دریافت: 01 خرداد 1401،  تاریخ بازنگری: 18 شهریور 1402،  تاریخ پذیرش: 06 آذر 1402 
چکیده
در این مطالعه برای نخستین ‌بار به بررسی تجربی و آماری رفتار حرارتی نانو سیال هیبریدیTiO2(85%)/MWCNT(15%)-(CH2OH)2(50%)/H2O(50%) پرداخته شد. هدایت حرارتی نانو سیال توسط دستگاه KD2 PRO در کسر حجمی‌های و دماهای  اندازه‌گیری شد. تایید نانو مقیاس و ساختار نانو ذرات با استفاده از ابزارهای عکس‌برداری میکروسکوپ الکترونی عبوری (TEM) و روبشی (SEM) و آنالیز پراش اشعه ایکس (XRD) صورت گرفت. نتایج تجربی تحلیل‌های آزمایشگاهی ثابت کرده که با افزایش دما و کسر حجمی، هدایت حرارتی نسبی  افزایشی است و میزان این افزایش برای کسر حجمی نسبت به دما  شدیدتر است. نتایج آماری تحلیل تجربی نشان داده که کمینه و بیشینه افزایش هدایت حرارتی نانو سیال نسبت به سیال پایه به ترتیب برابر با %6/1 و %9/17 ثبت شده است. مدلسازی سطح پاسخ برای هدایت حرارتی نسبی نانو سیال نشان می‌دهد که مقادیر R2 و Adj R2 به ترتیب برابر با 9882/0 و 9860/0 و مقدار MOD بین 1- و 1+ است.
کلیدواژه‌ها
نانوسیال هیبریدی؛ هدایت حرارتی؛ حرکت براونی؛ روش سطح پاسخ؛ روش آزمایشگاهی؛ رابطه همبستگی
عنوان مقاله [English]
Thermal Behavior of TiO2 (85%) / MWCNT (15%) - (CH2OH) 2 (50%) / H2O (50%) Hybrid Nanofluid under the Influence of Temperature and Volume Fraction Factors with Laboratory and Response Surface Methods
نویسندگان [English]
Mohammad Hemmat esfe
Associate Professor, Faculty of Engineering and Technology, Imam Hossein University, Tehran, Iran
چکیده [English]
In this study, for the first time, the thermal behavior of TiO2 (85%) / MWCNT (15%) - (CH2OH) 2 (50%) / H2O (50%) hybrid nanofluid thermal behavior is investigated. The thermal conductivity of the nanofluid is determined by KD2 PRO at fractional volumes of  φ =0.03% -0.6% and temperatures of T = 28 ° C-50 ° C. Nanoscale and nanoparticle structure validation are performed using transmission electron microscopy (TEM) and scanning (SEM) and X-ray diffraction (XRD) analysis tools. Experimental results of laboratory analyzes have shown that with increasing temperature and volume fraction, relative thermal conductivity (RTC) is increasing and the amount of this increase is more severe for volume fraction than temperature. The statistical results of experimental analysis showed that the minimum and maximum increase in thermal conductivity of nanofluid compared to the base fluid are 1.6% and 17.9%, respectively. The modeling of the response surface for the relative thermal conductivity of nanofluid showed that the values of R2 and Adj R2 were equal to 0.9882 and 0.9860, respectively, and the MOD value was between -1 and +1.
کلیدواژه‌ها [English]
Hybrid nanofluid, Thermal conductivity, Brownie motion, Response surface method, Laboratory method, Correlation
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آمار
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