Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 143, Issue 3, Pages 2135-2148Publisher
SPRINGER
DOI: 10.1007/s10973-020-09603-0
Keywords
Entropy generation; Stretching sheet; Hybrid nanofluid; Non-uniform heat flux
Funding
- Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah
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This paper investigates the influence of entropy production on MHD hybrid nanofluid flow in the presence of an electric field. By numerically solving the dimensionless model, it is concluded that magnetic field and suction decelerate fluid motion, while high electric field values may resolve sticky effects. Friction factor and heat transfer rate are evaluated and results show good agreement with existing data.
This paper explores the influence of entropy production on MHD hybrid nanofluid (Al2O3-Cu/H2O) flow due to permeable stretching sheet with variable heat flux in the existence of electric field. The partial differential equations are converted into ordinary differential equations by using appropriate transformations. The obtained dimensionless model is then numerically solved with the help of Adams-Bashforth method. The velocity, temperature and entropy generation are obtained under the influence of various emerging quantities examined. It is concluded that existence of magnetic field and suction decelerates the motion of fluid, whereas it magnifies for greater values of an electric field which tends to resolve sticky effects. Furthermore, friction factor and heat transfer rate have been evaluated through tables and bar charts. Under some specific conditions, the present results are matched with the available results to check the accuracy and validity of the present study and we have observed a good agreement with it.
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