FEM simulation of triple diffusive natural convection along inclined plate in porous medium: prescribed surface heat, solute and nanoparticles flux

• Autorzy: Goyal M. , Goyal R , Bhargava R.

Identyfikatory

DOI

10.1515/ijame-2017-0057

• Języki publikacji: EN

Abstrakty

EN

In this paper, triple diffusive natural convection under Darcy flow over an inclined plate embedded in a porous medium saturated with a binary base fluid containing nanoparticles and two salts is studied. The model used for the nanofluid is the one which incorporates the effects of Brownian motion and thermophoresis. In addition, the thermal energy equations include regular diffusion and cross-diffusion terms. The vertical surface has the heat, mass and nanoparticle fluxes each prescribed as a power law function of the distance along the wall. The boundary layer equations are transformed into a set of ordinary differential equations with the help of group theory transformations. A wide range of parameter values are chosen to bring out the effect of buoyancy ratio, regular Lewis number and modified Dufour parameters of both salts and nanofluid parameters with varying angle of inclinations. The effects of parameters on the velocity, temperature, solutal and nanoparticles volume fraction profiles, as well as on the important parameters of heat and mass transfer, i.e., the reduced Nusselt, regular and nanofluid Sherwood numbers, are discussed. Such problems find application in extrusion of metals, polymers and ceramics, production of plastic films, insulation of wires and liquid packaging.

Słowa kluczowe

EN

triple diffusive; natural convection; nanofluid; binary base fluid; porous medium; solutal concentration flux; nanoparticle concentration flux; inclined plate

PL

naturalna konwekcja; płyn bazowy; nanocząstki

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2017
• Tom: Vol. 22, no. 4
• Strony: 883–--900
• Opis fizyczny: Bibliogr. 25 poz., wykr.

Twórcy

autor

Goyal M.

• Department of Mathematics Indian Institute of technology Roorkee 247667, Uttarakhand, INDIA

autor

Goyal R

• Department of Mathematics Indian Institute of technology Roorkee 247667, Uttarakhand, INDIA

autor

Bhargava R.

• Department of Mathematics Indian Institute of technology Roorkee 247667, Uttarakhand, INDIA

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