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	Estimation of boundary-layer flow of a nanofluid past a stretching sheet: A revised model
	Ishfaq Naeema ; Khan Zafar Hayat ; Khan Waqar Ahmad ; Culham Richard J
	2016
关键词	boundary layer flow nanofluid stretching sheet Brownian motion thermophoresis
英文摘要	The previous model for the boundary layer nanofluid flow past a stretching surface with a specified nanoparticle volume fraction on the surface is revisited. The major limitation of the previous model is the active control of the nanoparticle volume fraction on the surface. In a revised model proposed in this paper, the nanoparticle volume fraction on the surface is passively controlled, which accounts for the effects of both the Brownian motion and the thermophoresis under the boundary condition, whereas the Buongiorno's model considers both effects in the governing equations. The assumption of zero nanoparticle flux on the surface makes the model physically more realistic. In the revised model, the dimensionless heat transfer rates are found to be higher whereas the dimensionless mass transfer rates are identically zero due to the passive boundary condition. It is also found that the Brownian motion parameter has a negligible effect on the Nusselt number.; Project supported by the National Natural Science Foundation of China; 中文核心期刊要目总览(PKU); 中国科技核心期刊(ISTIC); 中国科学引文数据库(CSCD); 4; 596-602; 28
语种	英语
出处	CSCD
出版者	Journal of Hydrodynamics
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/478871]
专题	数学科学学院
推荐引用方式 GB/T 7714	Ishfaq Naeema,Khan Zafar Hayat,Khan Waqar Ahmad,et al. Estimation of boundary-layer flow of a nanofluid past a stretching sheet: A revised model. 2016-01-01.

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