Journal
CASE STUDIES IN THERMAL ENGINEERING
Volume 38, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.csite.2022.102332
Keywords
Ternary hybrid nanofluid; Curved stretching sheet; Stefan blowing; Cattaneo-christov heat flux; Brownian motion and thermophoresis; Convective boundary condition
Categories
Funding
- Deanship of Scientific Research at King Khalid University, Saudi Arabia [RGP.2/12/43]
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This article investigates the convective boundary layer flow of ternary hybrid nanofluid (water-based graphene-CNT-Silver) over a curved stretching sheet with activation energy, considering the non-Fourier heat flux model. The results reveal the influence of various parameters on thermal, concentration, and velocity profiles. The heat transport in ternary hybrid nanoliquid increases with higher thermophoresis and Brownian motion parameters, while the Biot number positively affects the thermal profile and the Schmidt number and Stefan blowing parameter values reduce mass transport.
The flow of fluids containing nanoparticles is important in industrial applications, particularly in nuclear reactors and nuclear system cooling to enhance energy efficiency. In connection to this, the convective boundary layer flow of ternary hybrid nanofluid (water-based graphene-CNT-Silver) flow over a curved stretching sheet with activation energy is investigated in this article. In addition, the non-Fourier heat flux model is taken into account. The use of similarity variables transforms the existing partial differential equations into an ordinary differential equation, which is then numerically solved using the Runge-Kutta-Fehlberg fourth and fifth order (RKF-45) method combined with a shooting approach. The set of graphical results for the significant pa-rameters on thermal, concentration, and velocity profiles is explored. Results reveal that the heat transport in ternary hybrid nanoliquid rises as the thermophoresis and Brownian motion pa-rameters rise. The Biot number influences the thermal profile positively, whereas the increasing Schmidt number and Stefan blowing parameter values reduce mass transport. The curvature parameter has positive impact on skin friction and mass transport rate but negative impact on heat transport rate. The concentration profile rises with increased activation energy parameter, but declines with increased chemical reaction rate parameter.
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