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Wyszukujesz frazę "hydromagnetic" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Non-perturbative solution for hydromagnetic flow over a linearly stretching sheet
    Autorzy:
    Makinde, O. D.
    Mahabaleswar, U. S.
    Maheshkumar, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/264356.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    rozciąganie arkusza
    przepływ hydromagnetyczny
    rozwiązanie numeryczne
    stretching sheet
    hydromagnetic flow
    ADM-Padé
    numerical solution
    Opis:
    In this paper, the Adomian decomposition method with Padé approximants are integrated to study the boundary layer flow of a conducting fluid past a linearly stretching sheet under the action of a transversely imposed magnetic field. A closed form power series solution based on Adomian polynomials is obtained for the similarity nonlinear ordinary differential equation modelling the problem. In order to satisfy the farfield condition, the Adomian power series is converted to diagonal Padé approximants and evaluated. The results obtained using ADM-Padé are remarkably accurate compared with the numerical results. The proposed technique can be easily employed to solve a wide range of nonlinear boundary value problems.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2013, 18, 3; 935-943
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An oscillatory radiating hydromagnetic internal heat generating fluid flow through a vertcal porous channel with slip and temperature jump
    Autorzy:
    Titiloye, E. O.
    Gbadeyan, J. A.
    Adeosun, A. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/265718.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    skok temperatury
    prędkość poślizgu
    materiał porowaty
    temperature jump
    velocity slip
    hydromagnetic
    oscillatory and porous channel
    Opis:
    The present study concerns the natural convective heat generating/absorbing, radiative magnetohydrodynamic, oscillatory fluid flow through a vertical porous channel with slip and temperature jump. The effect of Joule dissipation is taken into consideration while it is assumed that the flow is fully developed. The differential transforms method(DTM) is employed to solve the system of non-linear ordinary differential equations that is obtained from the non-linear partial differential equations governing the flow. Semi analytical solutions of the steady and unsteady part of the flow in the slip flow regime through a vertical porous channel are obtained. The effects of various flow parameters on the velocity and temperature profiles as well as Nusselt and skin friction are presented graphically and discussed. An excellent agreement between the results of this article and those available in the literature validated the presented approach.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2018, 23, 2; 503-519
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of Hall current on unsteady hydromagnetic free convection flow past an impulsively moving vertical plate with Newtonian heating
    Autorzy:
    Seth, G. S.
    Sarkar, S.
    Sharma, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/264598.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    przepływ konwekcyjny
    transformacja Laplace'a
    tarcie
    hydromagnetic free convection flow
    Newtonian heating
    Hall current
    porous medium
    INVLAP routine in Matlab
    Opis:
    An investigation of unsteady hydromagnetic free convection flow of a viscous, incompressible and electrically conducting fluid past an impulsively moving vertical plate with Newtonian surface heating embedded in a porous medium taking into account the effects of Hall current is carried out. The governing partial differential equations are first subjected to the Laplace transformation and then inverted numerically using INVLAP routine of Matlab. The governing partial differential equations are also solved numerically by the Crank-Nicolson implicit finite difference scheme and a comparison has been provided between the two solutions. The numerical solutions for velocity and temperature are plotted graphically whereas the numerical results of skin friction and the Nusselt number are presented in tabular form for various parameters of interest. The present solution in special case is compared with a previously obtained solution and is found to be in excellent agreement.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2016, 21, 1; 187-203
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of Conjugate Heat Transfer in Electromagnetic Liquid Metal Dream Pipe
    Autorzy:
    Puvaneswari, P.
    Shailendhra, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/140031.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    enhancement of heat transfer
    dream pipe
    conjugate heat transfer
    laminar flow
    oscillatory flow
    hydromagnetic flow
    liquid metals
    zwiększenie przepływu ciepła
    rura typu dream-pipe
    sprzężona wymiana ciepła
    przepływ laminarny
    przepływ oscylacyjny
    przepływ hydromagnetyczny
    metale ciekłe
    Opis:
    The combined effect of conjugation, external magnetic field and oscillation on the enhancement of heat transfer in the laminar flow of liquid metals between parallel plate channels is analyzed. In order to make our results useful to the design engineers, we have considered here only the wall materials that are widely employed in liquid metal heat exchangers. Indeed, all the results obtained through this mathematical investigation are in excellent agreement with the available experimental results. The effective thermal diffusivity κe is increased by 3 · 106 times due to oscillation and that the heat flux as high as 1.5 · 1010 (W/m2) can be achieved. Based on our investigation, we have recommended the best choice of liquid metal heat carrier, wall material and its optimum thickness along with the optimum value of the frequency to maximize the heat transfer rate. At the optimum frequency, by choosing a wall of high thermal conductivity and optimum thickness, an increase of 19.98% in κe can be achieved. Our results are directly relevant to the design of a heat transfer device known as electromagnetic dream pipe which is a very recent development.
    Źródło:
    Archive of Mechanical Engineering; 2017, LXIV, 3; 375-399
    0004-0738
    Pojawia się w:
    Archive of Mechanical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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