Journal of Computational & Applied Research in Mechanical Engineering (JCARME)

Document Type : Research Paper

Authors

¹ Department of Mathematics, Sri Venkateswara Engineering College for Women, Tirupati, A.P.,517502, India

² Department of Mathematics, Motilal Nehru National Institute of Technology, Allahabad, U. P.-211004, India

³ Department of Mathematics, SAS, VIT University, Vellore, T.N, India

⁴ Department of Mathematics, S.V. University, Tirupati-517502, A. P., India

https://doi.org/10.22061/jcarme.2018.4220.1508

Abstract

The present paper focuses on numerical study for an inclined magneto-hydrodynamic effect on free convection flow of a tangent hyperbolic nanofluid embedded with Carbon nanotubes (CNTs) over a stretching surface taking velocity and thermal slip into account. Two types of nanoparticles are considered for the study; they are single and multi-walled nanotubes. The presentation of single-parameter group (Lie group) transformations reduces the independent variable number by one, and hence the partial differential governing equations with the supplementary atmospheres into an ordinary differential equation with the appropriate suitable conditions. The obtained ordinary differential equations are then numerically solved by employing fourth order Runge-Kutta technique along with shooting method. The effects of the various parameters governing the flow field are presented with the help of graphs. The investigation reveals that the non-Newtonian MWWCNTs Tangent hyperbolic nano-liquid reduces the friction near the stretching sheet contrasting SWCNTs. This combination can be used as a friction lessening agent/factor. Usage of CNTs shows an excellent performance in enhancing the thermal conductivity of the nanoliquid and single wall carbon nanotubes (SWCNTs) has higher thermal conductivity than multi wall carbon nanotubes (MWCNTs) even in the presence of radiative heat transfer and heat source. Comparison with existing results available in literature is made and had an excellent coincidence with our numerical method.

Graphical Abstract

Keywords

dor

20.1001.1.22287922.2020.10.1.7.2

Main Subjects

Heat and Mass Transfer

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