Second law analysis for mixed convection nanofluid flow in an inclined channel with convectively heated walls

Abstract

In this study, entropy generation analysis for Cu-water nanofluid mixed convective flow in an inclined channel occupied with a saturated porous media with Navier slip and convective boundary conditions is explored. The governing equations composed of equations of velocity and temperature are nondimensionalized and then solved utilizing the technique of homotopy analysis. Temperature and velocity profile expressions are acquired, which are then used to calculate the entropy produced in the scheme. The impacts of the corresponding fluid parameters are addressed in-depth on velocity, temperature, entropy generation, Bejan number,Nusselt number, skin friction, volume flow rate, and heat carried out by the fluid for 1% nanofluid concentration. Entropy has been observed to be minimal in all cases just above the channel center and maximum at the channel's bottom wall. Fluid friction-generated entropy has been discovered to have a higher influence on entropy generation. We also provide a comparative study with existing literature to validate our current results. K E Y W O R D Sconvective boundary, entropy, inclined channel, mixed convection, nanofluid, Navier slip

Influence of a magnetic field on double‐diffusive convection in an inclined porous layer

“…26 They also explore entropy generation in Cu-water nanofluid mixed convective flow in an inclined channel with porous media, Navier slip, and convective boundary conditions. 27 In addition, Tlau and Ontela study entropy generation in mixed convection flow of Cu-water nanofluid in an inclined channel with a non-Darcy porous medium, considering variable permeability, Navier slip, and boundary convection. 28 The authors further investigate the mixed convection flow of a hybrid nanofluid containing copper and silver nanoparticles in a porous medium with variable permeability.…”

“…Tlau and Ontela investigated entropy generation in a sloping channel filled with a porous medium during magnetohydrodynamic nanofluid flow with a heat source/sink 26 . They also explore entropy generation in Cu–water nanofluid mixed convective flow in an inclined channel with porous media, Navier slip, and convective boundary conditions 27 . In addition, Tlau and Ontela study entropy generation in mixed convection flow of Cu–water nanofluid in an inclined channel with a non‐Darcy porous medium, considering variable permeability, Navier slip, and boundary convection 28 .…”

Dynamical dissipative and radiative flow of comparative an irreversibility analysis of micropolar and hybrid nanofluid over a Joule heating inclined channel

“…Reynolds number ameliorates the fluid temperature is one of the findings of this study. Tlau and Ontela 7 considered convective conditions and elucidated the mixed convective flow of a tended channel occupied with a permeable medium. They observed the enhancement in the fluid velocity with a greater inclination angle.…”

Heat transfer and entropy generation analysis in a horizontal channel filled with a permeable medium in the presence of aligned magnetic field and temperature gradient heat source

“…Balamurugan et al [22] explored the reputation of entropy generation in stable Couette flow confined by a permeable bed in the manifestation of aligned magnetic arena, viscous dissipation, thermal radiation and joules dissipation. Lalrinpuia Tlau and Surender Ontela [23] explored the impact of entropy generation for Cu-water (nanofluid) flow in a conduit with Navier slip. PK Reddy and R Murthy [24] studied entropy generation with Bejan number in a rectangular channel with drag walls and perpetual temperature and torridity flux.…”