Nor Ashikin Abu Bakar
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Nor Ashikin Abu Bakar
Official Name
Nor Ashikin, Abu Bakar
Alternative Name
Bakar, N. A.A.
Bakar, Nor Ashikin Abu
Abu Bakar, N.
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Scopus Author ID
56286797000
Researcher ID
AAM-1480-2021

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  • Publication
    Dual solutions of boundary layer flow and heat transfer in hybrid nanofluid over a stretching/shrinking cylinder
    (Semarak Ilmu Publishing, 2023)
    Nor Ashikin Abu Bakar
    ;
    Rohana Abdul Hamid
    ;
    Najwa Najib
    The boundary layer flow over a stretching/shrinking cylinder in hybrid nanofluid with the effects of suction, partial slip and convective boundary condition is studied. Hybrid nanoparticles Al2O3 and TiO2 with water as based fluid are considered in the study. The partial differential equations are transformed to ordinary differential equations by employing the similarity variables. The numerical results are obtained using the bvp4c solver in MATLAB software. The influence of nanoparticles volume fraction (Al2O3-TiO2 in water-based fluid), curvature parameter, suction parameter, partial slip parameter and Biot number on the velocity profile, temperature profile, skin friction coefficient and heat transfer rate are discussed. The numerical results indicate that for shrinking surface case, the dual solutions exist for a certain range of curvature parameter and suction parameter.
  • Publication
    Slip effect on unsteady hybrid nanofluid flow over a stretching/shrinking surface
    (AIP Publishing, 2023)
    Najwa Najib
    ;
    Nor Ashikin Abu Bakar
    ;
    Nor Fadhilah Dzulkifli
    The focus on this paper is to investigate the effect of slip in hybrid nanofluid past a stretching/shrinking surface by depending on time. The partial differential equations of governing equations are transformed to ordinary differential equations by employing appropriate similarity transformation. The equations are then solved numerically using bvp4c function in MATLAB software. The results of skin frictions coefficient and heat transfer rate are depicted in tables and graphs. It poses dual solutions for a certain domain of each solution.