Simulation of air movement in a dryer by computational fluid dynamics: Application for the drying of fruits

Mathioulakis, E.; Karathanos, Vaios Τ.; Belessiotis, V.

doi:10.1016/s0260-8774(98)00026-0

Cited by 104 publications

(55 citation statements)

References 6 publications

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“…The validation between the measured data and the simulation results by CFD shows that the standard k-e model is the most adequate turbulence model. An industrial batch-type tray dryer for drying fruits has been designed and constructed by Mathioulakis et al [3]. CFD is used to simulate the air pressure and the air velocity profiles in the drying chamber.…”

Section: Introductionmentioning

confidence: 99%

The Prediction of Drying Uniformity in Tray Dryer System using CFD Simulation

Misha¹,

Mat²,

Ruslan³

et al. 2013

IJMLC

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Abstract-Tray dryer is the most extensively used because of its simple and economic design. In a tray dryer, more products can be loaded as the trays are arranged at different levels. The product is spread out on trays at an acceptable thickness. The drawback of this dryer is non-uniformity in the desired moisture content of end product due to poor air flow distribution in the drying chamber. Computational fluid dynamics (CFD) is used extensively because of its capability to solve equations for the conservation of mass, momentum, and energy using numerical methods to predict the temperature, velocity, and pressure profiles. This research is to predict drying uniformity of new design of the commercial tray dryer for agricultural product. The temperature and velocity profile, streamline and velocity on each tray were analyzed to study the uniformity of the drying. The 3D simulation is done to represent the actual model. Generally the temperatures are considered uniform for all trays. However the average air velocity at several trays which is at tray number 1, 7, 8 and 15 are much higher than others tray. The rest of the trays are look more uniform. The average air velocity above the tray is about 0.38 m/s.

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Section: Introductionmentioning

confidence: 99%

The Prediction of Drying Uniformity in Tray Dryer System using CFD Simulation

Misha¹,

Mat²,

Ruslan³

et al. 2013

IJMLC

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“…Fruit is usually dried under sunlight, which is weather dependable and prone to microbial contamination (Mathioulakis et al, 1998), or hot-air dried, which may cause destruction of nutrients. Thus, it is necessary to develop a new industrial drying process (Goyal et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Effects of Dehydrating Agents on the Physicochemical Properties of Dried Plum (Prunus salicina L.) Slices

Kim¹,

Kang²,

Chung³

et al. 2013

Journal of Applied Biological Chemistry

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Plum (Prunus salicina L.) slices were dehydrated with red algae extract (RAE) at a concentration of 30% (w/w), and the dried samples were compared with maltodextrin (MD)-treated and hot-air dried samples in terms of physicochemical properties such as rehydration ratio, ascorbic acid, microstructure, and color. The rehydration ratios and colors of RAE-treated plum slices were better than those of MD-treated and hot-air dried samples. The ascorbic acid contents of RAE-treated samples were higher and their microstructures were finer than those of MD-treated or hotair dried samples. These results suggest that plum slices can be dehydrated with RAE without loss of quality.

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“…As shown in Figure 3, when the velocity of air flow was in the range of 0.46m / s ~ 2.65m / s, the relationship between the resistance (total pressure) loss and velocity can be represented by formula (2). …”

Section: Figure 2 Schematic Diagram Of Measuring Equipment Of Resistmentioning

confidence: 99%

Experiments and Numerical Simulation of Flow Field Inner the Chain Plate Fiber Dryer

Wang¹

2015

IJCA

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Simulation of air movement in a dryer by computational fluid dynamics: Application for the drying of fruits

Cited by 104 publications

References 6 publications

The Prediction of Drying Uniformity in Tray Dryer System using CFD Simulation

The Prediction of Drying Uniformity in Tray Dryer System using CFD Simulation

Effects of Dehydrating Agents on the Physicochemical Properties of Dried Plum (Prunus salicina L.) Slices

Experiments and Numerical Simulation of Flow Field Inner the Chain Plate Fiber Dryer

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