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Wyszukujesz frazę "Tzirtzilakis, E. E." wg kryterium: Autor


Wyświetlanie 1-2 z 2
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 1-2 z 2

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