Entropy analysis for third-grade fluid flow with temperature-dependent viscosity in annulus partially filled with porous medium | Zendy

Dileep Chauhan | Zendy; Vikas Kumar | Zendy

Open Access

Entropy analysis for third-grade fluid flow with temperature-dependent viscosity in annulus partially filled with porous medium

Author(s) -

Dileep Chauhan,

Vikas Kumar

Publication year - 2013

Publication title -

theoretical and applied mechanics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.279

H-Index - 6

eISSN - 2406-0925

pISSN - 1450-5584

DOI - 10.2298/tam1303441c

Subject(s) - porous medium , annulus (botany) , mechanics , thermodynamics , materials science , non newtonian fluid , newtonian fluid , reynolds number , entropy (arrow of time) , porosity , physics , turbulence , composite material

In the present paper, a non-Newtonian third-grade fluid flow is considered in an annulus partially filled by a porous medium of very small permeability. An analytical solution by the perturbation series method is obtained for velocity and temperature fields, assuming Reynolds’s model to account for the variation of fluid viscosity with temperature. The effects of various pertinent parameters on the flow field, temperature field and entropy generation number are obtained and discussed graphically

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