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International Journal of Engineering، جلد ۳۳، شماره ۱، صفحات ۲۸-۳۳
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عنوان انگلیسی An Experimental Study of the Steel Cylinder Quenching in Water-based Nanofluids
چکیده انگلیسی مقاله In this study, some parameters such as quenching and boiling curves of a stainless steel cylindrical rod 80 mm long and having a diameter of 15 mm were experimentally obtained in saturate pure water and two nanofluids (SiO2 and TiO2) with 0.01 wt%. The cylinder was vertically lowered into the pool of saturated water and its temporal center temperature was measured by a thermocouple. The boiling curves were then obtained by solving a transient one-dimensional inverse heat conduction model and measuring the temperature at the center of the cylinder. The images of the surface morphology and uniformity of the deposited SiO2 and TiO2 nano particles were captured by the scanning electron microscope (SEM). The cooling time during quenching of the cylinder was decreased about 50% by nanoparticles deposition. However, the SiO2 and TiO2 nano particle deposition have similar critical heat flux increment (up to 120%). Film boiling heat transfer rate increased by repetitive quenching in SiO2 nanofluid.
کلیدواژه‌های انگلیسی مقاله quenching, Nanofluids, Critical Heat Flux
نویسندگان مقاله Aref Rahimian |
Nuclear Science and Technology Research Institute, Tehran, Iran

Hosein Kazeminejad |
Nuclear Science and Technology Research Institute, Tehran, Iran

Hosein Khalafi |
Nuclear Science and Technology Research Institute, Tehran, Iran

Seyed Mohammad Mirvakili |
Nuclear Science and Technology Research Institute, Tehran, Iran

Azam Akhavan |
Nuclear Science and Technology Research Institute, Tehran, Iran

نشانی اینترنتی http://www.ije.ir/article_101144_589c05c3228a042b52ac5b1d340d6875.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/409/article-409-2202924.pdf
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زبان مقاله منتشر شده en
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