Fatinnabila Kamal
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Preferred name
Fatinnabila Kamal
Official Name
Fatinnabila, Kamal
Alternative Name
Kamal, Fatinnabila
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Scopus Author ID
57204171852
Researcher ID
FDL-9665-2022

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  • Publication
    Magnetohydrodynamic Stagnation-point Flow towards a Permeable Stretching/Shrinking Sheet with Slip and Heat Generation/Absorption Effects
    (Universiti Malaysia Perlis, 2023-11-10)
    Fatinnabila Kamal
    ;
    Ahmad Ashraf Abdul Halim
    ;
    Wan Mohd Khairy Adly Wan Zaimi
    This study of the magnetohydrodynamic (MHD) stagnation-point flow towards a permeable stretching/shrinking sheet in the presence of slip and heat generation/absorption effects is considered. The governing equations in the form of partial differential equations are transformed into a system of ordinary differential equations by using similarity transformation, and then solved numerically using bvp4c function in Matlab software. The variations of the numerical solutions for the skin friction coefficient and the local Nusselt number as well as velocity and temperature profiles are obtained for several values of the governing parameters. It is found that the solution is unique for the stretching case whereas dual (first and second) solutions exist for the shrinking case in certain range of parameters.
  • Publication
    MHD Stagnation-point flow towards a permeable shrinking/stretching sheet in a porous medium with velocity slip and heat generation/absorption effects
    (Semarak Ilmu Publishing, 2025)
    Hisyam Juwaidi Aziz
    ;
    Wan Mohd Khairy Adly Wan Zaimi
    ;
    Fatinnabila Kamal
    ;
    Adnan Asghar
    ;
    Suliadi Firdaus Sufahani
    ;
    Liaquat Ali Lund
    ;
    Ubaidullah Yashkun
    ;
    Mohammad Ferdows
    The analysis of velocity slip and heat generation/absorption in fluid flow problems is crucial due to their significant impact on fluid behavior and heat transfer characteristics. The findings are vital for understanding and optimizing flow and heat transfer in industrial processes involving shrinking/stretching surfaces. Thus, this study aims to examine dual solutions of MHD stagnation-point flow over a stretching/shrinking sheet with suction/injection, velocity slip, and heat generation/absorption effects. The governing nonlinear partial differential equations are transformed into nonlinear ordinary differential equations using a similarity transformation and solved numerically using the boundary value problem solver bvp4c, a built-in MATLAB software. Dual solutions are found for the shrinking case, while the stretching case yields a unique solution. Increasing suction and slip parameters broadens the range of dual solutions. Results show that suction enhances the skin friction coefficient and heat transfer, whereas velocity slip reduces skin friction but increases heat transfer. Heat generation lowers the local Nusselt number. It is observed that the first solution is stable, while the second is unstable.
  • Publication
    Effect of suction on the stagnation point flow and heat transfer over a stretching shrinking sheet in a porous medium with stability analysis
    ( 2019-12)
    Noormaizatulnazuha Mohamad
    ;
    Fatinnabila Kamal
    ;
    Wan Mohd Khairy Adly Wan Zaimi
    This research investigatesthe problem of stagnation point flow and heat transfer over a stretching/shrinking sheet past a porous medium with suction effect. Firstly, the mathematical model that governed the fluid flow and heat transfer were formulated. Then, the governing nonlinear partial differential equations were transformed into ordinary differential equations using similarity transformation. The system of ordinary differential equations is then solved numerically using bvp4cfunction in Matlab software. The effect of suction on the skin friction coefficient and the local Nusselt number,as well as the velocity and temperature profiles,are obtained and analysed. The numerical result obtained ispresented in the form of graphs and tables. The dual solutions are obtained for a certain range of parameters. The stability analysis has been performed and the result showsthat the upper branch solution is stable while thelower branch solution is unstable
      2  17
  • Publication
    Stability analysis on stagnation-point flow and heat transfer towards a permeable stretching/shrinking sheet with heat source in a casson fluid
    ( 2020-01-01)
    Yashkun U.
    ;
    Fatinnabila Kamal
    ;
    Wan Mohd Khairy Adly Wan Zaimi
    ;
    Nor Ashikin Abu Bakar
    ;
    Norshaza Atika Saidin
    This paper deals with a stagnation-point boundary layer flow and heat transfer of a Casson fluid towards a stretching/shrinking sheet. The main objective of the present study is to analyse the effects of the injection parameter and heat source on the velocity and temperature profiles as well as the skin friction coefficient and the Nusselt number. It is vital to study the heat transfer and fluid flow problems in the presence of injection and heat source effects due to a wide variety of applications in engineering and industry. The governing nonlinear partial differential equations are transformed into a system of nonlinear ordinary differential equations by using similarity transformation, before being solved numerically using the boundary value problem solver bvp4c routine in MATLAB. Dual solutions are found to exist for the shrinking sheet case, whereas the solution is unique for the stretching case. The stability analysis has been performed to determine the stable solution. It is shown that the first solutions are stable and physically reliable while the second solutions are not. Further, the present results have been compared with the previous published results for a particular case and the comparisons are found to be in good agreement. The local Nusselt number is decreases with an increase in heat source parameter. Rising values of the injection parameter has decreases both the skin friction coefficient and the local Nusselt number.
      5  16