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Wyszukujesz frazę "Diffusion" wg kryterium: Wszystkie pola


Wyświetlanie 1-8 z 8
Tytuł:
MHD and thermal radiation effects on exponentially accelerated isothermal vertical plate with uniform mass diffusion
Autorzy:
Muthucumaraswamy, R.
Visalakshi, V.
Powiązania:
https://bibliotekanauki.pl/articles/265445.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
promieniowanie
izotermiczność
płyta pionowa
dyfuzja masy
pole magnetyczne
radiation
isothermal
vertical plate
mass diffusion
magnetic field
Opis:
Thermal radiation effects on an unsteady free convective flow of a viscous incompressible flow of a past an exponentially accelerated infinite isothermal vertical plate with uniform mass diffusion in the presence magnetic field are considered. The fluid considered here is a gray, absorbing-emitting radiation but a non-scattering medium. The plate temperature is raised to Tw and the concentration level near the plate is also raised to Cʹw . An exact solution to the dimensionless governing equations is obtained by the Laplace transform method, when the plate is exponentially accelerated with a velocity u= u0 exp(aʹtʹ) in its own plane against gravitational field. The effects of velocity, temperature and concentration fields are studied for different physical parameters such as the magnetic field parameter, thermal radiation parameter, Schmidt number, thermal Grashof number, mass Grashof number and time. It is observed that the velocity increases with decreasing magnetic field parameter or radiation parameter. But the trend is just reversed with respect to a or t .
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 2; 599-608
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of thermal expansion on flow past an inclined accelerated sectional plate with persistent mass diffusion
Autorzy:
Nagarajan, G.
Sundar Raj, M.
Muthucumaraswamy, R.
Powiązania:
https://bibliotekanauki.pl/articles/27312397.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
rozszerzalność cieplna
dyfuzja masy
transformata Laplace'a
thermal expansion
mass diffusion
accelerated
inclined plate
isothermal
Opis:
In this article, we examined the solution of a homogeneously intensified isothermal inclined infinite plate with constant temperature. The plate is elevated to Tw, and the species accumulation is enhanced at a consistent speed. Under appropriate boundary conditions, the non-dimensional guiding formulae are remedied using the Laplace transform procedure. The effect of velocity, temperature, and concentration on various factors, including thermal and mass Grashof numbers, Schmidt numbers, and duration, is discussed. The velocity increases proportionally to the thermal and mass Grashof numbers, but decreases as the inclined angle, Schmidt numbers and time increase.
Źródło:
International Journal of Applied Mechanics and Engineering; 2022, 27, 4; 105--116
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
MHD and rotation effects on flow past an accelerated vertical plate with variable temperature and mass diffusion in the presence of chemical reaction
Autorzy:
Muthucumaraswamy, R.
Dhanasekar, N.
Eswara Prasad, G.
Powiązania:
https://bibliotekanauki.pl/articles/955271.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
przyspieszenie
izoterma
płyta pionowa
wymiana ciepła
dyfuzja
pole magnetyczne
reakcja chemiczna
rotation
accelerated
isothermal
vertical plate
heat transfer
diffusion
magnetic field
chemical reaction
Opis:
An exact analysis of rotation effects on an unsteady flow of an incompressible and electrically conducting fluid past a uniformly accelerated infinite isothermal vertical plate, under the action of a transversely applied magnetic field is presented. The plate temperature is raised linearly with time and the concentration level near the plate is also raised to C’w. The dimensionless governing equations are solved using the Laplace-transform technique. The velocity profiles, temperature and concentration are studied for different physical parameters such as the magnetic field parameter, chemical reaction parameter, thermal Grashof number, mass Grashof number, Schmidt number, Prandtl number and time. It is observed that the velocity increases with increasing values of the thermal Grashof number or mass Grashof number. It is also observed that the velocity increases with decreasing values of the magnetic field parameter or rotation parameter Ω.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 4; 1087-1097
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Radiative flow past a parabolic started isothermal vertical plate with uniform mass diffusion
Autorzy:
Muthucumaraswamy, R.
Lakshmi, V.
Powiązania:
https://bibliotekanauki.pl/articles/955181.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
promieniowanie
izoterma
płyta pionowa
wymiana ciepła
wymiana masy
parabolic
radiation
isothermal
vertical plate
heat and mass transfer
Opis:
A theoretical solution of thermal radiation effects on an unsteady flow past a parabolic starting motion of an infinite isothermal vertical plate with uniform mass diffusion has been studied. The plate temperature as well as the concentration level near the plate are raised uniformly. The dimensionless governing equations are solved using the Laplace-transform technique. The fluid considered here is a gray, absorbing-emitting radiation but a non-scattering medium. The effects of velocity profiles are studied for different physical parameters such as the thermal radiation parameter, thermal Grashof number, mass Grashof number and Schmidt number. It is observed that the velocity increases with increasing values the thermal Grashof number or mass Grashof number. The trend is just reversed with respect to the thermal radiation parameter.
Źródło:
International Journal of Applied Mechanics and Engineering; 2014, 19, 1; 195-202
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First order chemical reaction effects on exponentially accelerated vertical plate with variable mass diffusion in the presence of thermal radiation
Autorzy:
Muthucumaraswamy, R.
Lakshmi, C. S.
Powiązania:
https://bibliotekanauki.pl/articles/264881.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
exponential
radiation
isothermal
vertical plate
heat and mass transfer
promieniowanie
izoterma
wymiana ciepła
wymiana masy
Opis:
Effects of transfer of mass and free convection on the flow field of an incompressible viscous fluid past an exponentially accelerated vertical plate with variable surface temperature and mass diffusion are studied. Results for velocity, concentration, temperature are obtained by solving governing equations using the Laplace transform technique. It is observed that the velocity increases with decreasing values of the chemical reaction parameter or radiation parameter. But the trend is just reversed with respect to the time parameter. The skin friction is also studied.
Źródło:
International Journal of Applied Mechanics and Engineering; 2015, 20, 2; 329-344
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hall effects on isothermal vertical plate with uniform mass diffusion in the presence of rotating fluid and chemical reaction of first order
Autorzy:
Dhananjeya Kumaar, V. S. A.
Muthucumaraswamy, R.
Powiązania:
https://bibliotekanauki.pl/articles/265031.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
Hall effect
chemical reaction parameter
rotating fluid
angular velocity
efekt Halla
reakcja chemiczna
prędkość kątowa
Opis:
An exact solution of the combined study of Hall effects on a vertical plate with a rotating fluid in the presence of a homogeneous chemical reaction of first order has been analysed. The dimensionless governing coupled partial differential equations are tackled using the usual Laplace transform technique. The sway of the Hall parameter, Hartmann number, Grashof number, Prandtl number, Schmidt number, chemical reaction parameter on the axial velocity and concentration of the fluid has been depicted graphically. When the non-dimensional angular velocity, Ω=2M21+m.2, the transverse velocity component vanishes, thereby the axial velocity of the fluid attains the maximum value. It is noted that with increase in the Hall parameter, thermal Grashof number and mass Grashof number, the axial velocity of the fluid increases significantly.
Źródło:
International Journal of Applied Mechanics and Engineering; 2017, 22, 1; 111-121
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydromagnetic flow past an exponentially accelerated isothermal vertical plate with uniform mass diffusion in the presence of chemical reaction of first order
Autorzy:
Muthucumaraswamy, R.
Valliammal, V.
Powiązania:
https://bibliotekanauki.pl/articles/265196.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
płyta pionowa
wymiana ciepła
wymiana masy
reakcja chemiczna
pole magnetyczne
accelerated
isothermal
vertical plate
exponential
heat and mass transfer
chemical reaction
magnetic field
Opis:
An exact solution of an unsteady flow past an exponentially accelerated infinite isothermal vertical plate with uniform mass diffusion in the presence of a transverse magnetic field has been studied. The plate temperature is raised to Tw and the species concentration level near the plate is also made to rise Cʹw . The dimensionless governing equations are solved using the Laplace-transform technique. The velocity, temperature and concentration profiles are studied for different physical parameters such as the magnetic field parameter, chemical reaction parameter, thermal Grashof number, mass Grashof number, Schmidt number, time and a. It is observed that the velocity decreases with increasing the magnetic field parameter.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 259-267
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chemical reaction effects on MHD flow past a linearly accelerated vertical plate with variable temperature and mass diffusion in the presence of thermal radiation
Autorzy:
Muthucumaraswamy, R.
Geetha, E.
Powiązania:
https://bibliotekanauki.pl/articles/264827.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
izotermiczność
promieniowanie
płyta pionowa
wymiana masy
wymiana ciepła
pole magnetyczne
reakcja chemiczna
accelerated
isothermal
radiation
vertical plate
heat and mass transfer
magnetic field
chemical reaction
Opis:
An exact solution of first order chemical reaction effects on a radiative flow past a linearly accelerated infinite isothermal vertical plate with variable mass diffusion, under the action of a transversely applied magnetic field has been presented. The plate temperature is raised linearly with time and the concentration level near the plate is also raised to C'w linearly with time. The dimensionless governing equations are tackled using the Laplace-transform technique. The velocity, temperature and concentration fields are studied for different physical parameters such as the magnetic field parameter, radiation parameter, chemical reaction parameter, thermal Grashof number, mass Grashof number, Schmidt number, Prandtl number and time. It is observed that velocity increases with decreasing magnetic field parameter or radiation parameter. But the trend is just reversed with respect to the chemical reaction parameter.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 3; 727-737
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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