Volume and density of whole soybean products during hot-air thermal treatment in fluidised bed

Irigoyen, R. Martín Torrez; Giner, Sergio A.

doi:10.1016/j.jfoodeng.2010.08.023

Cited by 10 publications

(1 citation statement)

References 24 publications

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“…In drying industry, practitioners need relevant and accurate analytical tools to conduct the design analysis and calculations effectively. There is scarce information on the formulations and drying-related properties, which would assist process design (Irigoyen and Giner, 2011). In this regard, the problem of one-dimensional heat and mass transfer in an infinite slab during drying is considered in the present work.…”

Section: Introductionmentioning

confidence: 99%

A novel approach to evaluate the temperature during drying of food products with negligible external resistance to mass transfer

Barati

Esfahani

2013

Journal of Food Engineering

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Section: Introductionmentioning

confidence: 99%

A novel approach to evaluate the temperature during drying of food products with negligible external resistance to mass transfer

Barati

Esfahani

2013

Journal of Food Engineering

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Soybean (Glycine max (L.) Merr.)

Mühlbauer¹,

Müller²

2020

Drying Atlas

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Modeling thin layer drying-roasting kinetics of soaked quinoa. Coupled mass and energy transfer

Irigoyen

Giner

2017

Biosystems Engineering

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Quinoa has higher protein content (11e16% m/m) and better amino acid profile than most cereals and represents a valuable resource for healthy nutrition. This work studied the kinetics of mass and energy transfer during fluidised thin layer drying-roasting of soaked and washed quinoa, a treatment suitable for preparing a ready-to-eat food. Curves describing moisture content and temperature behaviour with time were obtained for temperatures of 80, 100, 120, and 140 C and air velocity of 0.8 m s À1. A coupled mass and energy model was proposed to describe the curves mathematically. The model consisted of a pair of ordinary differential equations (ODEs): a transient macroscopic energy balance equation for heat transfer and either a short or a long dimensionless time mass transfer equation. The model was used to determine the effective diffusion coefficient proposed as an Arrhenius function of temperature by utilising the whole dataset. The heat transfer coefficient was estimated from a correlation reported earlier with values ranging from 164 to 179 W m À2 C À1. The activation energy and pre-exponential factor were fitted using a combined method involving a numerical integration of the ODE system followed by a parameter optimisation algorithm. Values obtained were E a ¼ 39.9 kJ mol À1 and, D 0 ¼ 2.872 Â 10 À4 m 2 s À1 , respectively. Predicted moisture content and temperatures agreed well with experimental values. The present research could be extended to deep fluidised bed models to help optimise existing equipment or design new.

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Volume and density of whole soybean products during hot-air thermal treatment in fluidised bed

Cited by 10 publications

References 24 publications

A novel approach to evaluate the temperature during drying of food products with negligible external resistance to mass transfer

A novel approach to evaluate the temperature during drying of food products with negligible external resistance to mass transfer

Soybean (Glycine max (L.) Merr.)

Modeling thin layer drying-roasting kinetics of soaked quinoa. Coupled mass and energy transfer

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