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Wyszukujesz frazę "solid microtubular oxide fuel cell" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Quantification of the Radiative and Convective Heat Transfer Processes and their Effect on mSOFC by CFD Modelling
Autorzy:
Pianko-Oprych, P.
Kasilova, E.
Jaworski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/778685.pdf
Data publikacji:
2014
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
microtubular Solid Oxide Fuel Cell stack
heat transfer
computational fluid dynamics (CFD)
temperature distributions
Opis:
The CFD modelling of heat transfer in a microtubular Solid Oxide Fuel Cell (mSOFC) stack has been presented. Stack performance predictions were based on a 16 anode-supported microtubular SOFCs sub-stack, which is a component of the overall stack containing 64 fuel cells. Both radiative and convective heat transfer were taken into account in the modelling. The heat flux value corresponded to the cell voltage of 0.7 [V]. Two different cases of the inlet air velocity of 2.0 and 8.5 [ms–1] were considered. It was found that radiation accounted for about 20–30 [%] of the total heat flux from the active tube surface, which means that the convective heat transfer predominated over the radiative one.
Źródło:
Polish Journal of Chemical Technology; 2014, 16, 2; 51-55
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CFD Analysis of Heat Transfer in a Microtubular Solid Oxide Fuel Cell Stack
Autorzy:
Pianko-Oprych, P.
Kasilova, E.
Jaworski, Z.
Powiązania:
https://bibliotekanauki.pl/articles/185553.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
przenikanie ciepła
strata ciepła
rozkład temperatur
microtubular Solid Oxide Fuel Cell stack
heat transfer
heat losses
temperature distributions
computational fluid dynamics (CFD)
Opis:
The aim of this work was to achieve a deeper understanding of the heat transfer in a microtubular Solid Oxide Fuel Cell (mSOFC) stack based on the results obtained by means of a Computational Fluid Dynamics tool. Stack performance predictions were based on simulations for a 16 anodesupported mSOFCs sub-stack, which was a component of the overall stack containing 64 fuel cells. The emphasis of the paper was put on steadystate modelling, which enabled identification of heat transfer between the fuel cells and air flow cooling the stack and estimation of the influence of stack heat losses. Analysis of processes for different heat losses and the impact of the mSOFC reaction heat flux profile on the temperature distribution in the mSOFC stack were carried out. Both radiative and convective heat transfer were taken into account in the analysis. Two different levels of the inlet air velocity and three different values of the heat losses were considered. Good agreement of the CFD model results with experimental data allowed to predict the operation trends, which will be a reliable tool for optimisation of the working setup and ensure sufficient cooling of the mSOFC stack.
Źródło:
Chemical and Process Engineering; 2014, 35, 3; 293-304
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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