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Wyszukujesz frazę "tunnel dryer" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Analysis of convectional drying process of peach
Autorzy:
Golisz, E.
Jaros, M.
Kalicka, M.
Powiązania:
https://bibliotekanauki.pl/articles/298279.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
drying
mathematical model
peach
tunnel dryer
Opis:
In this study the convectional drying process of peach were investigated. Peaches were cut longitudinally into eight similar pieces and were dried in a laboratory air-drier with forced horizontal air flow. Drying experiments were carried out at temperatures of 50, 60, 70oC and for two air velocities: 1.0 and 1.2 m/s. The results are shown graphically on the charts. It was found that a greater effect on increasing the rate of drying is the drying air temperature than the increase in flow velocity. The verification of theoretical models of the first and second drying period indicates that the drying process of peach is determined by internal conditions of heat and mass transfer, therefore to describe the drying process were used models of the second period of drying. Global relative error calculated for the whole process was less than 5%.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2013, 16(4); 333-343
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of trays’ slope in the tunnel dryer on drying rate of carrot cubes
Autorzy:
Kubiaszczyk, J.
Golisz, E.
Jaros, M.
Powiązania:
https://bibliotekanauki.pl/articles/298158.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
carrot
convective drying
tunnel dryer
simulation
trays’ slope
Opis:
Drying of food is perhaps the oldest method of food preservation. The aim of this study the analysis of the effect of changing the slope angle of trays in a tunnel dryer model on the drying rate. Real experiments were carried out for trays’ slopes of 0, 5, 10 and 15°. Carrots’ cubes were dried at a constant temperature of 60°C, with air flow velocity of 1.2 m/s. Also this process was simulated using the COMSOL Multiphysics 4.3 software. The research results showed that increasing slope angle of tray disrupted the laminar flow of the dried cubes layer through the drying air stream and forced the partial air flow through the layer. Thus, the contact surface of the heated air with the material particles and the drying rate have been increased and made it possible to shorten the duration of the drying.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2018, 21(4); 345-356
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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