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Wyszukujesz frazę "vertical flow" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Unsteady laminar mixed convection boundary layer flow near a vertical wedge due to oscillations in the free-stream and surface temperature
Autorzy:
Roy, N. C.
Hossain, A.
Hussain, S.
Powiązania:
https://bibliotekanauki.pl/articles/264762.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
konwekcja mieszana
granica przepływu warstwy
przepływ ciepła
mixed convection
boundary layer flow
vertical wedge
free-stream oscillation
Opis:
The unsteady laminar boundary layer characteristics of mixed convection flow past a vertical wedge have been investigated numerically. The free-stream velocity and surface temperature are assumed to be oscillating in the magnitude but not in the direction of the oncoming flow velocity. The governing equations have been solved by two distinct methods, namely, the straightforward finite difference method for the entire frequency range, and the extended series solution for low frequency range and the asymptotic series expansion method for high frequency range. The results demonstrate the effects of the Richardson number, Ri, introduced to quantify the influence of mixed convection and the Prandtl number, Pr, on the amplitudes and phase angles of the skin friction and heat transfer. In addition, the effects of these parameters are examined in terms of the transient skin friction and heat transfer.
Źródło:
International Journal of Applied Mechanics and Engineering; 2016, 21, 1; 169-186
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unsteady/steady natural convection flow of reactive viscous fluid in a vertical annulus
Autorzy:
Jha, B. K.
Samaila, A. K.
Ajibade, A. O.
Powiązania:
https://bibliotekanauki.pl/articles/265663.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
konwekcja naturalna
lepki płyn
egzotermiczna otulina
unsteady/steady natural convection flow
reactive viscous fluid
exothermic
open ended vertical annulus
Opis:
This paper presents both analytical and numerical analyses of a fully developed unsteady/steady natural convection flow of a reactive viscous fluid in an open ended vertical annulus. Analytical expressions for velocity, temperature, skin-friction and rate of heat transfer are obtained after simplifying and solving the governing differential equations with reasonable approximations. The interesting result found in this study is that an increase in non-dimensional time (t) , increases both temperature and velocity profiles until a steady-state value is attained. Subsequent results obtained by numerical calculations show excellent agreement with analytical results.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 73-83
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mixed convection in MHD flow and heat transfer rate near a stagnation-point on a non-linear vertical stretching sheet
Autorzy:
Fenuga, O. J.
Hassan, A. R.
Olanrewaju, P. O.
Powiązania:
https://bibliotekanauki.pl/articles/265943.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
konwekcja mieszana
przepływ magnetohydrodynamiczny
wymiana ciepła
mixed convection
MHD flow
heat transfer rate
stagnation point
non-linear vertical stretching sheet
Opis:
This work investigates the mixed convection in a Magnetohydrodynamic (MHD) flow and heat transfer rate near a stagnation-point region over a nonlinear vertical stretching sheet. Using a similarity transformation, the governing equations are transformed into a system of ordinary differential equations which are solved numerically using the fourth order Runge-Kutta method with shooting technique. The influence of pertinent flow parameters on velocity, temperature, surface drag force and heat transfer rate are computed and analyzed. Graphical and tabular results are given to examine the nature of the problem. The heat transfer rate at the surface increases with the mixed convection.
Źródło:
International Journal of Applied Mechanics and Engineering; 2020, 25, 1; 37-51
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of radiation and Eckert number on MHD flow with heat transfer rate near a stagnation point over a non-linear vertical stretching sheet
Autorzy:
Fenuga, O. J.
Hassan, A. R.
Olanrewaju, P. O.
Powiązania:
https://bibliotekanauki.pl/articles/264652.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
przepływ magnetohydrodynamiczny
transfer ciepła
transfer masy
liczba Eckerta
MHD flow
heat and mass transfer
radiation
Eckert number stagnation–point
non-linear vertical stretching sheet
Opis:
This work investigates the effects of radiation and Eckert number on an MHD flow with heat transfer rate near a stagnation-point region over a nonlinear vertical stretching sheet. Using a similarity transformation, the governing equations are transformed into a system of ordinary differential equations which are solved numerically using the sixth order Runge-Kutta method with shooting technique. Tabular and graphical results are provided to examine the physical nature of the problem. Heat transfer rate at the surface decreases with radiation, Eckert number and as radiation increases, the flow temperature also increases for velocity ratio parameters […].
Źródło:
International Journal of Applied Mechanics and Engineering; 2020, 25, 1; 27-36
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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