期刊
RESULTS IN PHYSICS
卷 7, 期 -, 页码 4145-4152出版社
ELSEVIER
DOI: 10.1016/j.rinp.2017.10.036
关键词
Walters-B nanofluid; Cattaneo-Christov double-diffusion model; Heat generation/absorption; Chemical reaction
Main objective of present article is to investigate the Cattaneo-Christov double-diffusion theory for the flow of Walters-B nanofluid over an impermeable stretching surface. Cattaneo-Christov double-diffusion definitions are utilized in the energy and concentration expressions. The Cattaneo-Christov diffusion model is introduced in describing the temperature and concentration diffusions with thermal and solutal relaxation times respectively. Heat and mass transfer analysis is carried out with the effects of heat generation/absorption and chemical reaction. Nanofluid model includes Brownian motion and thermophoresis. Dimensional nonlinear equations of momentum, energy and concentration are converted into dimensionless systems by invoking appropriate variables. The series solutions are obtained through homotopy analysis method (HAM). Effect of sundry variables on the velocity, temperature and nanoparticles concentration are scrutinized graphically. Numerical values of skin friction coefficients are computed and analyzed. Temperature field and layer thickness are quite reverse for heat generation/absorption. (C) 2017 Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.
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