Experimental investigation on surface tension of metal oxide-water nanofluids

作者: M.H.U. Bhuiyan , R. Saidur , R.M. Mostafizur , I.M. Mahbubul , M.A. Amalina

DOI: 10.1016/J.ICHEATMASSTRANSFER.2015.01.002

关键词:

摘要: "Nanofluids", smart fluids with advanced thermal properties, have proved their promising potential in enhancing the heat transfer performance of a system as well mitigating energy crisis universe. Besides all other's thermo-physical surface tension governs transport liquid and plays crucial role transfer. However, studies on effect nanofluids are quite few demonstrated debatable results. Therefore, present experimental study attempts to determine by dispersing Al2O3, TiO2, SiO2 nanoparticles Distilled Water (DW). The experiment was conducted using most common Du-Hotly ring method DCAT11EC automatic tensiometer. In this study, authors analyzed possible effects change concentrations (from 0.05 025 vol.) temperatures 30 degrees C 50 C), impact various along sizes. results indicate that increases concentration, whereas decreases increase temperature. Besides, smaller exhibit lower than larger ones. All all, augments from 3.1 7.8 compared base fluid for vol. 0.25 C, cases. (C) 2015 Elsevier Ltd. rights reserved.

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