Forced convective heat transfer of nanofluids

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	Forced convective heat transfer of nanofluids
	Ding, Yulong ; Chen, Haisheng ; He, Yurong ; Lapkin, Alexei ; Yeganeh, Mahboubeh ; Siller, Lidija ; Butenko, Yuriy V.
刊名	ADVANCED POWDER TECHNOLOGY
	2007-11-01
卷号	18 期号:6 页码:813-824
关键词	nanofluids convective heat transfer thermal conductivity rheology mechanisms heat transfer enhancement
英文摘要	Forced convective heat transfer is experimentally investigated using aqueous and ethylene glycol-based spherical titania nanofluids, and aqueous-based titanate nanotubes, carbon nanotubes and nano-diamond nanofluids. These nanofluids are formulated from dry nanoparticles and pure base liquids to eliminate complications due to unknown solution chemistry. All the formulated nanofluids show a higher effective thermal conductivity than that predicted by the conventional theories. Except for the ethylene glycol-based titania nanofluids, all other nanofluids are found to be non-Newtonian. For aqueous-based titania and carbon and titanate nanotube nanofluids, the convective heat transfer coefficient enhancement exceeds, by a large margin, the extent of the thermal conduction enhancement. However, deterioration of the convective heat transfer is observed for ethylene glycol-based titania nanofluids at low Reynolds numbers and aqueous-based nano-diamond nanofluids. Possible mechanisms for the observed controversy are discussed from both microscopic and macroscopic viewpoints. The competing effects of particle migration on the thermal boundary layer thickness and that on the effective thermal conductivity are suggested to be responsible for the experimental observations.
WOS标题词	Science & Technology ; Technology
类目[WOS]	Engineering, Chemical
研究领域[WOS]	Engineering
关键词[WOS]	PARTICLE MIGRATION ; AQUEOUS SUSPENSIONS ; FLOW ; PERFORMANCE ; NANOTUBES ; SINK
收录类别	ISTP ; SCI
语种	英语
WOS记录号	WOS:000251176600018
公开日期	2015-12-22
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/106277]
专题	工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位	1.Univ Leeds, Inst Particle Sci & Engn, Leeds LS2 9JT, W Yorkshire, England 2.Chinese Acad Sci, Inst Engn Thermophys, Beijing, Peoples R China 3.Univ Bath, Dept Chem Engn, Bath BA2 7AY, Avon, England 4.Univ Newcastle, Sch Chem Engn & Adv Mat, Newcastle Upon Tyne, Tyne & Wear, England
推荐引用方式 GB/T 7714	Ding, Yulong,Chen, Haisheng,He, Yurong,et al. Forced convective heat transfer of nanofluids[J]. ADVANCED POWDER TECHNOLOGY,2007,18(6):813-824.
APA	Ding, Yulong.,Chen, Haisheng.,He, Yurong.,Lapkin, Alexei.,Yeganeh, Mahboubeh.,...&Butenko, Yuriy V..(2007).Forced convective heat transfer of nanofluids.ADVANCED POWDER TECHNOLOGY,18(6),813-824.
MLA	Ding, Yulong,et al."Forced convective heat transfer of nanofluids".ADVANCED POWDER TECHNOLOGY 18.6(2007):813-824.