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    Wyświetlanie 1-4 z 4
    Tytuł:
    Modelling and simulation of fluid flow and heat processes in a regenerator with ceramic chimney block checker work
    Autorzy:
    Zashkowa, L.
    Penkova, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/1965142.pdf
    Data publikacji:
    2005
    Wydawca:
    Politechnika Gdańska
    Tematy:
    glass furnace regenerator
    modelling
    simulation
    FEM
    conjugate heat transfer
    cyclic equilibrium
    Opis:
    Selected results of mathematical modelling and computer simulation of fluid flow and heat transfer processes in a glass furnace regenerator are reported. The conjugate heat transfer problem is solved in 3D using the ANSYS 8.0/FLOTRAN programme. The regenerator's geometry, finite element mesh, thermal loads and boundary conditions are presented. The momentum, continuity and energy equations are solved.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2005, 9, 1; 133-142
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal and fluid flow fields in a regenerator with ceramic chimney block checker work
    Autorzy:
    Zashkowa, L.
    Penkova, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/1965141.pdf
    Data publikacji:
    2005
    Wydawca:
    Politechnika Gdańska
    Tematy:
    glass furnace
    regenerator
    conjugate heat transfer
    cyclic equilibrium
    FEM
    thermal fields
    modelling
    Opis:
    Selected results of mathematical modelling and computer simulation of transient conjugate heat transfer in a vertical contraflow glass furnace regenerator are reported. The problem is solved three-dimensionally (3D) using the ANSYS 8.0/FLOTRAN program. The main regenerator fluid flow and thermal fields about a cyclic equilibrium of the regenerator are visualized. Heat and fluid flow parameters for the regenerator's cyclic equilibrium are presented by Tm=Tm(H',t); Tm,f=Tm,f(H',t); hm=hm(H',t); V=V(H',t); k=k(H',t) and ε=ε(H',t) graphics. Remarks about transient heat transfer in this kind of regenerators are made based on the obtained numerical values and relationships.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2005, 9, 1; 143-151
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On an approach to the thermo-elasto-plastic failure based on the Burzynski criterion
    Autorzy:
    Banaś, K.
    Badur, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/175155.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Burzynski stress
    thermal-FSI
    conjugate heat transfer
    thermal stresses
    turbine guide vane
    Opis:
    In this paper the comparison of material eort models: the classic Huber-Mises-Hencky approach and the Burzynski condition was presented. Burzynski yield condition is pressure sensitive and naturally takes into account the strength dierential eect, which has been observed in nickel-base super alloys such as Inconel 718. Investigation was performed during thermal-uidstructure interaction analysis of a power turbine guide vane of turbine helicopter engine PZL- 10W. Firstly, computational uid dynamics conjugate heat transfer analysis was carried out, then stress analysis was performed with boundary conditions obtained via computational uid dynamics analysis. During stress analysis, two mentioned above equivalent stress denitions were applied and dierence in material eort modelling by them was shown.
    Źródło:
    Transactions of the Institute of Fluid-Flow Machinery; 2017, 136; 65-76
    0079-3205
    Pojawia się w:
    Transactions of the Institute of Fluid-Flow Machinery
    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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