Mathematical modeling of the drying of extruded fish feed and its experimental demonstration

Anders Fjeldbo Haubjerg, B. Simonsen, S. Løvgreen, Bo Nørregaard Jørgensen, Christian Veje

Publikation: Konferencebidrag uden forlag/tidsskriftPaperForskningpeer review

Abstract

This paper present a mathematical model for the drying of extruded fish feed
pellets. The model relies on conservation balances for moisture and energy. Sorption
isotherms from literature are used together with diffusion and transfer coefficients
obtained from dual parameter regression analysis against experimental data. The lumped
capacitance method for the estimation of the heat transfer coefficient is used. The model
performs well at temperatures ± 5 °C from sorption isotherm specificity, and for different
pellet sizes. There is a slight under-estimation of surface temperature of denser feed
pellets with lower mass diffusivities, possibly owing to a mischievously low conductivity
used for these pellets.
OriginalsprogEngelsk
Publikationsdatoaug. 2014
Antal sider7
StatusUdgivet - aug. 2014
Begivenhed19th International Drying Symposium - Lyon, Frankrig
Varighed: 24. aug. 201427. aug. 2014
Konferencens nummer: 19

Konference

Konference19th International Drying Symposium
Nummer19
Land/OmrådeFrankrig
ByLyon
Periode24/08/201427/08/2014

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