Temat: przepływ konwekcyjny - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Unsteady MHD natural convective boundary layer flow and heat transfer over a truncated cone in the presence of pressure work
Autorzy:: Ajay, C. K.
Srinivasa, A. H.
Powiązania:: https://bibliotekanauki.pl/articles/122607.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: convection
pressure work
truncated cone
MHD
Prandtl number
przepływ konwekcyjny
konwekcja
stożek ścięty
liczba Prandtla
wymiana ciepła
Opis:: The aim of the present paper is to analyse the effect of MHD on unsteady natural convection boundary layer flow and heat transfer over a truncated cone in the presence of pressure work. Suitable transformation is utilized to form a system of coupled non-linear partial differential equations for governing both the flow and heat transfer. These equations have been solved numerically by utilizing an implicit finite difference scheme along with quasilinearization method. Here, the computed numerical results are displayed graphically in terms of the local Nusselt number, skin friction, temperature distribution, and velocity distribution for various values of the magnetic and pressure work parameters along with the fixed Prandtl number
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 1; 1-16
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:: Unsteady MHD natural convective boundary layer flow and heat transfer over a truncated cone in the presence of pressure work
Autorzy:: Ajay, C. K.
Srinivasa, A. H.
Powiązania:: https://bibliotekanauki.pl/articles/1839804.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: convection
pressure work
truncated cone
MHD
Prandtl number
przepływ konwekcyjny
konwekcja
stożek ścięty
liczba Prandtla
wymiana ciepła
Opis:: The aim of the present paper is to analyse the effect of MHD on unsteady natural convection boundary layer flow and heat transfer over a truncated cone in the presence of pressure work. Suitable transformation is utilized to form a system of coupled non-linear partial differential equations for governing both the flow and heat transfer. These equations have been solved numerically by utilizing an implicit finite difference scheme along with quasilinearization method. Here, the computed numerical results are displayed graphically in terms of the local Nusselt number, skin friction, temperature distribution, and velocity distribution for various values of the magnetic and pressure work parameters along with the fixed Prandtl number
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 1; 5-16
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:: Analogy between thermal and mass diffusion effects of a free convective flow in rectangular enclosure
Autorzy:: Ambethkar, Vusala
Powiązania:: https://bibliotekanauki.pl/articles/1839737.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: free convective flow
thermal diffusion effects
mass diffusion effects
rectangular enclosure
average Nusselt number
average Sherwood number
empirical correlations
swobodny przepływ konwekcyjny
efekty dyfuzji termicznej
efekty dyfuzji masowej
korelacje empiryczne
średnia liczba Sherwooda
średnia liczba Nusselta
Opis:: In this investigation, the analogy between thermal and mass diffusive effects of a free convective flow in a rectangular enclosure is emphasized. The upwind finite volume method is used to discretize the governing equations of the continuity, momentum, energy and mass transfer. The novelty in this exploration is to appropriately modify the well-known Semi-Implicit Method for Pressure-Linked Equations (SIMPLE) algorithm so that it suits to the present problem and thereby, the new flow variables such as the temperature and the concentration are computed. An empirical correlation for the average Sherwood number (Sh) that does not exist in literature is suggested in this work. The average Sherwood numbers for distinct fluids (gases and liquids) are calculated, and mass diffusion effects within the horizontal rectangle are analyzed. The average Nusselt numbers (Nu) are calculated for distinct fluids such as liquids (Pr ≫1), liquid metals (Pr≪1) and gases (Pr < 1) for different Rayleigh numbers in the range of 3x105 ≤ RaL ≤ 7x10 9 from relevant empirical correlations existing in the literature. Accordingly, the thermal diffusion effects within the horizontal rectangle are analyzed.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 4; 5-20
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Analogy between thermal and mass diffusion effects of a free convective flow in rectangular enclosure
Autorzy:: Ambethkar, Vusala
Powiązania:: https://bibliotekanauki.pl/articles/1839750.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: free convective flow
thermal diffusion effects
mass diffusion effects
rectangular enclosure
average Nusselt number
average Sherwood number
empirical correlations
swobodny przepływ konwekcyjny
efekty dyfuzji termicznej
efekty dyfuzji masowej
korelacje empiryczne
średnia liczba Sherwooda
średnia liczba Nusselta
Opis:: In this investigation, the analogy between thermal and mass diffusive effects of a free convective flow in a rectangular enclosure is emphasized. The upwind finite volume method is used to discretize the governing equations of the continuity, momentum, energy and mass transfer. The novelty in this exploration is to appropriately modify the well-known Semi-Implicit Method for Pressure-Linked Equations (SIMPLE) algorithm so that it suits to the present problem and thereby, the new flow variables such as the temperature and the concentration are computed. An empirical correlation for the average Sherwood number (Sh) that does not exist in literature is suggested in this work. The average Sherwood numbers for distinct fluids (gases and liquids) are calculated, and mass diffusion effects within the horizontal rectangle are analyzed. The average Nusselt numbers (Nu) are calculated for distinct fluids such as liquids (Pr ≫1), liquid metals (Pr≪1) and gases (Pr < 1) for different Rayleigh numbers in the range of 3x105 ≤ RaL ≤ 7x10 9 from relevant empirical correlations existing in the literature. Accordingly, the thermal diffusion effects within the horizontal rectangle are analyzed.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 4; 5-20
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Numerical solutions of steady free convective flow in a rectangular region with discrete wall heat and concentration sources
Autorzy:: Ambethkar, Vusala
Basumatary, Lakshmi Rani
Powiązania:: https://bibliotekanauki.pl/articles/122750.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: control volume
discretized
temperatures
concentration
free convective ﬂow
heat and concentration sources
heat sources
concentration sources
horizontal and vertical directions
horizontal directions
vertical directions
kontrola głośności
konwekcja swobodna
swobodny przepływ konwekcyjny
metoda objętości skończonych
źródła ciepła
źródła koncentracji
Opis:: In this paper, numerical solutions are obtained for steady free convective ﬂow in a rectangular region with discrete wall heat and concentration sources by using the ﬁnite volume method. The governing equations consist of the continuity, momentum, energy and mass transfer. These equations conjointly with suitable boundary conditions are solved numerically by using this method. The novel concept in this work is to generalize the SIMPLE algorithm suitably and thereby compute the numerical solutions of the ﬂow variables such as the temperature (θ) and the concentration (C) in addition to the components of velocity and the pressure. All non-dimensional parameters are chosen suitably in accordance with the physical signiﬁcance of the problem under investigation. With the help of these numerical solutions, we have depicted the proﬁles of the velocity, pressure, temperature and concentration along the horizontal and vertical directions of the geometric centre of the region. The validity of the numerical solutions are ensured by comparing the present solutions with the benchmark solutions. Code validation has been given for the present problem.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2019, 18, 4; 5-18
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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