Autor:
Manjula, S.H. ; Suresh, P. ; Rao, M.G.
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Temat i słowa kluczowe:
thermal modulation ; weak nonlinear analysis ; internal heating ; Newtonian fluid ; double diffusive convection
Abstract:
The investigation of thermal modulation on double-diffusive stationary convection in the presence of an applied magnetic field and internal heating is carried out. A weakly nonlinear stability analysis has been performed using the finite-amplitude Ginzburg-Landau model. ; This finite amplitude of convection is obtained at the third order of the system. The study considers three different forms of temperature modulations. OPM-out of phase modulation, LBMO-lower boundary modulation, IPM-in phase modulation. ; The finite-amplitude is a function of amplitude frequency and the phase difference. The effects of and on heat/mass transports have been analyzed and depicted graphically. The study shows that heat/mass transports can be controlled effectively by thermal modulation. Further, it is found that the internal Rayleigh number enhances heat transfer and reduces the mass transfer in the system.
Wydawca:
Zielona Góra: Uniwersytet Zielonogórski
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Źródło:
IJAME, volume 26, number 1 (2021)