The thermal conductivity investigation of nanofluids containing decorated Ag nanorods with Cu nanoparticles using statistical method
محل انتشار: فصلنامه مواد پیشرفته و فرآوری، دوره: 5، شماره: 2
سال انتشار: 1396
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 197
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شناسه ملی سند علمی:
JR_JMATPR-5-2_008
تاریخ نمایه سازی: 12 مهر 1400
چکیده مقاله:
In this paper, we investigated the statistical analysis of thermal conductivity of nanofluids containing of decorated Ag nanorods with Cu nanoparticles. For this purpose Ag-Cu hybrid is synthesized and characterized using transmission electron microscopy (TEM) and X-ray diffraction pattern (XRD). TEM image shows that Cu nanoparticles successfully decorate on the outer surface of Ag nanorods. The XRD pattern of decorated Ag nanorods with Cu nanoparticles reveals that Ag-Cu hybrid is displayed both the peaks assigned to the Ag and Cu, respectively. Investigation the effect of temperature and mass fraction on thermal conductivity of nanofluids show that the thermal conductivity of all nanofluids increases with temperature and mass fraction. The results of the statistical analysis of thermal conductivity confirm that there is a significant difference among five temperatures and three tested weight fractions for thermal conductivity of all nanofluids. However the influence of temperature is more significant than that of mass fraction.
کلیدواژه ها:
نویسندگان
Sedigheh Abbasi
Esfarayen University of Technology, Esfarayen, North Khorasan, Iran
Farid Nourivatan
Department of Chemical Engineering, Sirjan Branch, Islamic Azad University, Sirjan, Iran