Temat: kanał prostokątny - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Effects of the porous boundary and inclined magnetic field on MHD flow in a rectangular duct
Autorzy:: Chutia, Muhim
Powiązania:: https://bibliotekanauki.pl/articles/1839735.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: MHD
rectangular duct
porous boundary
inclined magnetic field
finite difference method
kanał prostokątny
ułamkowe równanie różniczkowe
pochodna ułamkowa
Opis:: In this work, a steady two dimensional MHD flow of a viscous incompressible fluid through a rectangular duct under the action of an inclined magnetic field with a porous boundary has been investigated. The coupled partial differential equations are transformed into a system of algebraic equations using the finite difference method and are then solved simultaneously using the Gauss Seidal iteration method by programming in Matlab software. Numerical solutions for velocity, induced magnetic field and current density lines are obtained and analyzed for different values of dimensionless parameters namely suction/injection parameter (S), Hartmann number (M) and inclination angle (θ) and are presented graphically.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 4; 33-44
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effects of the porous boundary and inclined magnetic field on MHD flow in a rectangular duct
Autorzy:: Chutia, Muhim
Powiązania:: https://bibliotekanauki.pl/articles/1839745.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: MHD
rectangular duct
porous boundary
inclined magnetic field
finite difference method
kanał prostokątny
ułamkowe równanie różniczkowe
pochodna ułamkowa
Opis:: In this work, a steady two dimensional MHD flow of a viscous incompressible fluid through a rectangular duct under the action of an inclined magnetic field with a porous boundary has been investigated. The coupled partial differential equations are transformed into a system of algebraic equations using the finite difference method and are then solved simultaneously using the Gauss Seidal iteration method by programming in Matlab software. Numerical solutions for velocity, induced magnetic field and current density lines are obtained and analyzed for different values of dimensionless parameters namely suction/injection parameter (S), Hartmann number (M) and inclination angle (θ) and are presented graphically.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 4; 33-44
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Analytical solutions of heat transfer for laminar flow in rectangular channels
Autorzy:: Rybiński, W.
Mikielewicz, J.
Powiązania:: https://bibliotekanauki.pl/articles/240574.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: analytical solution
heat transfer
rectangular channel
laminar flow
fully developed
rozwiązanie analityczne
wymiana ciepła
kanał prostokątny
przepływ laminarny
Opis:: The paper presents two analytical solutions namely for Fanning friction factor and for Nusselt number of fully developed laminar fluid flow in straight mini channels with rectangular cross-section. This type of channels is common in mini- and microchannel heat exchangers. Analytical formulae, both for velocity and temperature profiles, were obtained in the explicit form of two terms. The first term is an asymptotic solution of laminar flow between parallel plates. The second one is a rapidly convergent series. This series becomes zero as the cross-section aspect ratio goes to infinity. This clear mathematical form is also inherited by the formulae for friction factor and Nusselt number. As the boundary conditions for velocity and temperature profiles no-slip and peripherally constant temperature with axially constant heat flux were assumed (H1 type). The velocity profile is assumed to be independent of the temperature profile. The assumption of constant temperature at the channel’s perimeter is related to the asymptotic case of channel’s wall thermal resistance: infinite in the axial direction and zero in the peripheral one. It represents typical conditions in a minichannel heat exchanger made of metal.
Źródło:: Archives of Thermodynamics; 2014, 35, 4; 29-42
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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