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HYDROMAGNETIC HYBRID NANOFLUID FLOW AND MASS TRANSFER FROM A STRETCHING SURFACE IN POROUS MEDIA WITH NAVIER SLIP AND CHEMICAL REACTION EFFECTS
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  • U.S. Mahabaleshwar,
  • Anwar O.A.,
  • Dumitru Baleanu,
  • Anusha T
U.S. Mahabaleshwar
Davangere University
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Anwar O.A.
University of Salford
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Dumitru Baleanu
Cankaya University - Balgat Campus
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Anusha T
Davangere University

Corresponding Author:[email protected]

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Abstract

Hybrid nanofluids (HNFs) comprise combinations of different nanoparticles suspended in base fluids. Applications of such nanofluids are growing in the areas of energy and biomedical engineering including smart (functional) coatings. Motivated by these developments, the present article examines theoretically the magnetohydrodynamic (MHD) coating boundary layer flow of HNFs from a stretching surface under a transverse magnetic field in porous media with chemically reactive nanoparticles. Darcy’s law is deployed. Both first and second order momentum slip is included as is solutal slip. The transformed boundary value problem is solved analytically. Closed form solutions for velocity are derived in terms of exponential functions and for the concentration field in terms of incomplete Gamma functions by the application of the Laplace transformation technique.The influence of selected parameters e.g. suction/injection, magnetic field and slip parameterson velocity and concentration distributions are visualized graphically. Concentration magnitudes are elevated with stronger magnetic field whereas they are suppressed with greater wall solutal slip. Magnetic field suppresses velocity and increases hydrodynamic boundary layer thickness. The flow is accelerated with reduction in inverse Darcy number and stronger suction leads to a decrease in skin friction. The analysis provides a good foundation for further investigations using numerical methods.