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Wyszukujesz frazę "Ferdows, M." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Similarity solutions on mixed convection heat transfer from a horizontal surface saturated in a porous medium with internal heat generation
    Autorzy:
    Ferdows, M.
    Liu, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/265076.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    mixed convection
    horizontal porous surface
    internal heat generation
    konwekcja mieszana
    powierzchnia porowata
    wytwarzanie ciepła
    Opis:
    The aim of this work is to study the mixed convection boundary layer flow from a horizontal surface embedded in a porous medium with exponential decaying internal heat generation (IHG). Boundary layer equations are reduced to two ordinary differential equations for the dimensionless stream function and temperature with two parameters: ε, the mixed convection parameter, and λ, the exponent of x. This problem is numerically solved with a system of parameters using built-in codes in Maple. The influences of these parameters on velocity and temperature profiles, and the Nusselt number, are thoroughly compared and discussed.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2017, 22, 1; 253-258
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electrically conducting flow through exponential power law fluid with variable thermal conductivity
    Autorzy:
    Ferdows, M.
    Bangalee, M. Z. I.
    Liu, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/265439.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    magnetohydrodynamika
    warstwa graniczna
    podobieństwa
    MHD
    similarity solution
    variable properties
    boundary layer flow
    exponential law
    Opis:
    The problem of exponential law of steady, incompressible fluid flow in boundary layer and heat transfer are studied in an electrically conducting fluid over a semi-infinite vertical plate assuming the variable thermal conductivity in the presence of a uniform magnetic field. The governing system of equations including the continuity equation, momentum equation and energy equation have been transformed into nonlinear coupled ordinary differential equations using appropriate similarity variables. All the numerical and graphical solutions are obtained through the use of Maple software. The solutions are found to be dependent on three dimensionless parameters including the magnetic field parameter M, thermal conductivity parameter and Prandtl number Pr. Representative velocity and temperature profiles are presented at various values of the governing parameters. The skin-friction coefficient and the rate of heat transfer are also calculated for different values of the parameters.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2019, 24, 3; 539-548
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heat transfer effects on carbon nanotubes along a moving flat plate subjected to uniform heat flux
    Autorzy:
    Ferdows, M.
    Shamshuddin, Md.
    Reza, Motahar
    Ara Quadir, Raushan
    Powiązania:
    https://bibliotekanauki.pl/articles/27312400.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    transfer ciepła
    płyn bazowy
    ruch cieczy
    SWCNTs
    MWCNTs
    heat transfer
    bvp4c
    similarity
    Opis:
    In the present paper, a theoretical analysis is made to investigate fluid flow and heat energy transformation features of single and multi-walled water functionalized carbon nanotubes (CNTs) with uniform heat inconstancy boundary conditions onward a flat plate. The liquid motion and momentum transfer of carbon nanotubes (CNTs) have been analyzed using a homogeneous flow model. Both single-wall CNTs (SWCNTs) and multi-wall CNTs (MWCNTs) used base fluids, namely, water. The thermophysical characteristics of CNTs regarding the solid volume fraction of CNTs are studied by applying empirical correlations. Similarity transformations have been used to the governing partial differential equations turning them into ordinary differential equations. The outcome of similarity transformations which are nonlinear ordinary differential equations subjected to reconstructed boundary conditions, are subsequently solved numerically using bvp4c. The effects of the governing parameters on the dimensionless velocity, temperature, and skin friction are investigated numerically and graphically. An increase in the volume fraction and the velocity ratio parameter increase the flow, the velocity, and the temperature profile. Regardless of any physical parameter, SWCNTs give better heat transfer than MWCNTs.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2022, 27, 4; 66--81
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chemically reacting ionized radiative fluid flow through an impulsively started vertical plate with induced magnetic field
    Autorzy:
    Ahmed, T.
    Alam, M. M.
    Ferdows, M.
    Tzirtzilakis, E. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/264343.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    warstwa graniczna
    promieniowanie
    pole magnetyczne
    gaz zjonizowany
    boundary layer
    radiative flow
    strong magnetic field
    ionized gas
    flow field
    Opis:
    Numerical studies have been performed to examine the chemically reacting ionized fluid flow through a vertical plate with induced magnetic field. This study is performed for the cooling problem. To obtain the nondimensional non-similar momentum, the induced magnetic field, energy and concentration equations, usual nondimensional variables have been used. The numerical solutions for the velocity fields, induced magnetic fields, temperature distribution as well as concentration distribution are obtained for associated parameters using the explicit finite difference method. The local and average shear stresses, current densities, Nusselt number as well as the Sherwood number are also investigated. The obtained results are discussed with the help of graphs to observe effects of various parameters entering into the problem. Also the stability conditions of the explicit finite difference method are analyzed. Finally, a qualitative comparison of the present results with previously published results has been made.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2019, 24, 1; 5-36
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of variable fluid properties and mixed convection on biomagnetic fluid flow and heat transfer over a stretching sheet in the presence of magnetic dipole
    Autorzy:
    Murtaza, M. G.
    Alam, Jahangir
    Tzirtzilakis, E. E.
    Shamshuddin, Md.
    Ferdows, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41191498.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Warszawska, Instytut Techniki Cieplnej
    Tematy:
    stretching sheet
    biomagnetic fluid
    magnetohydrodynamic
    ferrohydrodynamic
    magnetic dipole
    magnetization
    variable viscosity
    thermal conductivity
    rozciąganie arkusza
    płyn biomagnetyczny
    magnetohydrodynamika
    ferrohydrodynamika
    dipol magnetyczny
    namagnesowanie
    zmienna lepkość
    przewodność cieplna
    Opis:
    This investigations covers the numerical analysis of a steady biomagnetic fluid flow (BFD) that passed through a two dimensional stretching sheet under the influence of magnetic dipole. The effect of fluid variable viscosity and thermal conductivity are also taken into consideration as assumed to vary as linear function of temperature. Our model mathematically formulated for BFD namely blood which consist of principles of magnetohydrodynamic (MHD) and ferrohydrodynamic (FHD), where blood treated as an electrically conducting fluid as well as polarization. Using similarity transformations, the governing system of partial differential equations are transferred into system of ordinary differential equations (ODE). The resulting coupled non linear ODE is numerically solved by employing bvp4c function technique available in MATLAB software. The effects of pertinent parameters namely ferromagnetic interaction parameter, magnetic field parameter, mixed convection parameter, viscosity variation parameter, Prandtl number, thermal conductivity parameter etc are plotted and discussed adequately for velocity and temperature profile as well as skin friction coefficient and rate of heat transfer. The results revels that velocity profile decreases as enhanced values of ferromagnetic number whereas temperature profile increased. Also found that skin friction coefficient reduces and rate of heat transfer increases by increasing values of thermal conductivity parameter and viscosity variation parameter. For numerical validation a comparisons has been made for some specific values with previous investigators. We hope that the present analysis will present in bio-medical and bio-engineering sciences.
    Źródło:
    Journal of Power Technologies; 2023, 103, 4; 193-208
    1425-1353
    Pojawia się w:
    Journal of Power Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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