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Wyszukujesz frazę "ultrasound drying" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Intensification of drying processes due to ultrasound enhancement
Autorzy:
Kowalski, S. J.
Powiązania:
https://bibliotekanauki.pl/articles/185139.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hybrid drying
ultrasound
kinetics
drying efficiency
synergistic effect
suszenie hybrydowe
ultradźwięk
kinetyka
efekt synergiczny
Opis:
The aim of this article is to present a modern method of convective drying intensification caused by the external action of ultrasound. The purpose of this study is to discover the mechanism of ultrasonic interaction between the solid skeleton and the moisture in pores. This knowledge may help to explain the enhancement of drying mechanism affected by ultrasound, particularly with respect to biological products like fruits and vegetables. The experimental kinetics tests were conducted in a hybrid dryer equipped with a new ultrasonic generator. The drying kinetics curves determined on the basis of drying model developed by the author were validated with those by the ones obtained from experimental tests. The intensification of heat and mass transfer processes due to ultrasound induced heating effect and vibration effect are analysed. The obtained results allow to state that ultrasound makes drying processes more effective and enhance the drying efficiency of biological products without significant elevation of their temperature.
Źródło:
Chemical and Process Engineering; 2018, 39, 3; 251--262
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrasound-assisted osmotic dehydration and convective drying of apples: Process kinetics and quality issues
Autorzy:
Mierzwa, D.
Kowalski, S. J.
Powiązania:
https://bibliotekanauki.pl/articles/185203.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
osmotic dehydration
ultrasound
drying
kinetics
product quality
odwadnianie osmotyczne
ultradźwięk
suszenie
kinetyka
jakość produktu
Opis:
The aim of the present theme issue was to study the influence of ultrasound enhancement on the kinetcis of osmotic dehydration and the effect of convective drying from the point of view of drying time and quality of dried products. Apple fruit was used as the experimental material. The kinetics of osmotic dehydration with (UAOD) and without (OD) ultrasound enhancement were examined for 40% fructose and sorbitol solutions. The effective dehydration time of osmotic process was determined. Preliminary dehydrated samples with OD and UAOD were next dried convectively with (CVUS) and without (CV) ultrasound assistance. The influence of OD and UAOD on the kinetics of CV and CVUS drying was analysed. The parameters of water activity and colour change were measured for the assessment of product quality after drying process.
Źródło:
Chemical and Process Engineering; 2016, 37, 3; 383-391
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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