期刊
JOURNAL OF COMPUTATIONAL DESIGN AND ENGINEERING
卷 6, 期 4, 页码 593-605出版社
OXFORD UNIV PRESS
DOI: 10.1016/j.jcde.2019.03.003
关键词
Nanofluid; Casson fluid; Dufour effect; Regression analysis; Probable error
The statistical and exact analysis of the unsteady radiative flow of Nano and Casson fluids past a vertical plate with Dufour effect is carried out. The heat transport phenomenon is studied under uniform heat flux (UHF) and uniform wall temperature (UWT) conditions. The exact solution to the problem is found using the Laplace transform method (LTM). The effects of various parameters on velocity, temperature and concentration profiles are examined via graphs. The heat transfer rate and skin friction are analyzed through statistical tools like probable error and regression. The Dufour effect enhances the velocity and temperature profiles. It is also observed that the velocity profile is slightly greater in the case of UWT than the UHF case for both nanofluid and Casson fluid. From the regression analysis, it is established that the Dufour number and nanoparticle volume fraction have a negative impact whereas the radiative heat parameter has a positive impact on the rate of heat transfer. (C) 2019 Society for Computational Design and Engineering. Publishing Services by Elsevier.
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