Thermodynamics analysis of Joule heating and internal heat source over an inclined ciliated tube

M.N. Abrar, M. Sagheer and S. Hussian

Physica A: Statistical Mechanics and its Applications, 2020, vol. 549, issue C

Abstract: This article considers the entropy analysis of viscous nanofluid in an inclined ciliated tube with magnetic and Joule heating effects. The energy analysis is perfumed in the presence of internal heat source coefficient. The thermal conductivity of base fluid water is strengthen by considering the famous Tiwari–Das nanofluid model. Mathematical formulation have been operated which results into set of non-linear coupled partial differential equation. The governed differential system is transformed into ordinary differential system by considering the suitable similarity variables. Exact solutions in the closed form have been computed for the momentum, pressure gradient and temperature profiles. In this study, special attention is devoted to the term electrical conductivity of the considered copper nanoparticles. Graphical results shows that velocity of the fluid increases with an increment in the inclination angle and entropy of the fluid system increases with an increase in the nanoparticle concentration.

Keywords: Second law analysis; Inclined tube; Magnetic field; Joule heating; Internal heat source (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:549:y:2020:i:c:s037843711932206x

DOI: 10.1016/j.physa.2019.123983

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