Effects of Macroparameters on the Thickness of an Interfacial Nanolayer of Al2O3- and TiO2-Water-Based Nanofluids

doi:10.1021/acsomega.0c03452

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	Effects of Macroparameters on the Thickness of an Interfacial Nanolayer of Al2O3- and TiO2-Water-Based Nanofluids
	Fan WH(范文慧); Zhong FQ(仲峰泉)
刊名	ACS OMEGA
	2020-11-03
卷号	5 期号:43 页码:27972-27977
ISSN号	2470-1343
DOI	10.1021/acsomega.0c03452
英文摘要	In this paper, thicknesses of interfacial nanolayers of alumina-deionized water (DW) and titanium dioxide-deionized water (DW) nanofluids are studied. Thermal conductivities of both nanofluids were measured in a temperature range of 298 to 353 K at particle volume ratios of 0.2 to 1.5% by experiments. A theoretical model considered both the effects of the interfacial nanolayer and Brownian motion is developed for thermal conductivity. A relational expression between nanolayer thickness and bulk temperature and volume fraction of particles of nanofluids is derived from the theoretical model. With the experimental data of thermal conductivity, changes of nanolayer thickness with nanofluids macroscopic properties (bulk temperature and particle volume ratio) are obtained. The present results show that nanolayer thickness increases with fluid temperature almost linearly and decreases with particle volume fraction in a power law. Based on the present results, simple formulas of interfacial nanolayer thickness as a function of fluid temperature and particle volume fraction are proposed for both water-based nanofluids.
分类号	二类
WOS研究方向	Chemistry
语种	英语
WOS记录号	WOS:000589243500026
资助机构	Youth Innovation Promotion Association, Chinese Academy of Sciences
其他责任者	Zhong, FQ
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/85429]
专题	力学研究所_高温气体动力学国家重点实验室
作者单位	1.{Fan Wenhui, Zhong Fengquan} Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China 2.{Fan Wenhui, Zhong Fengquan} Chinese Acad Sci Inst Mech State Key Lab High Temp Gas Dynam Beijing 100190 Peoples R China
推荐引用方式 GB/T 7714	Fan WH,Zhong FQ. Effects of Macroparameters on the Thickness of an Interfacial Nanolayer of Al2O3- and TiO2-Water-Based Nanofluids[J]. ACS OMEGA,2020,5(43):27972-27977.
APA	范文慧,&仲峰泉.(2020).Effects of Macroparameters on the Thickness of an Interfacial Nanolayer of Al2O3- and TiO2-Water-Based Nanofluids.ACS OMEGA,5(43),27972-27977.
MLA	范文慧,et al."Effects of Macroparameters on the Thickness of an Interfacial Nanolayer of Al2O3- and TiO2-Water-Based Nanofluids".ACS OMEGA 5.43(2020):27972-27977.