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Author:

Lin, Yanhai (Lin, Yanhai.) | Li, Botong (Li, Botong.) | Zheng, Liancun (Zheng, Liancun.) | Chen, Goong (Chen, Goong.)

Indexed by:

Scopus SCIE

Abstract:

This paper investigates Marangoni boundary layer flow and heat transfer of copper-water nanofluid driven by exponential temperature with radiation effects. Unlike most classical works, five different types of nanoparticle shapes are taken into account, i.e. sphere, hexahedron, tetrahedron, column and lamina. The temperature distribution on the liquid-liquid or liquid-gas interface is closer to the realistic situation by assuming that it is an exponential function with the axis length. Similarity transformation is applied to reduce the governing nonlinear partial differential equations into a set of nonlinear ordinary differential equations, which are solved numerically by the shooting method coupled with Newton's scheme and Runge-Kutta algorithm. The effects of solid volume fraction, radiation parameter and empirical shape factor on the dimensionless velocity and temperature fields and the local Nusselt number are graphically illustrated and discussed. It is found that the solid volume fraction and nanoparticle shape have significant impacts on the thermal conductivity and sphere nanoparticle has better enhancement on heat transfer than other nanoparticle shapes. (C) 2016 Elsevier B.V. All rights reserved.

Keyword:

Heat transfer Marangoni boundary layer Thermal radiation Particle shape Nanofluid Exponential temperature

Author Community:

  • [ 1 ] [Lin, Yanhai]Huaqiao Univ, Sch Math Sci, Quanzhou 362021, Peoples R China
  • [ 2 ] [Li, Botong]Beijing Univ Technol, Coll Mech Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Zheng, Liancun]Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China
  • [ 4 ] [Chen, Goong]Texas A&M Univ, Dept Math, College Stn, TX 77843 USA
  • [ 5 ] [Chen, Goong]Texas A&M Univ, Inst Quantum Sci & Engn, College Stn, TX 77843 USA

Reprint Author's Address:

  • [Lin, Yanhai]Huaqiao Univ, Sch Math Sci, Quanzhou 362021, Peoples R China

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Source :

POWDER TECHNOLOGY

ISSN: 0032-5910

Year: 2016

Volume: 301

Page: 379-386

5 . 2 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:221

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 105

SCOPUS Cited Count: 112

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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