نتایج جستجو برای: drying model

تعداد نتایج: 2125289  

Esmaeil Zakipour Zohreh Hamidi,

In this research the drying of four kinds of vegetables was investigated in a vacuum dryer. The effect of temperature on drying rate of samples at various temperatures (30, 35 and 45 °C) was studied. Six thin-layer drying models were fitted to drying data and suitable model was selected from them. Then effective moisture diffusivity and ...

Journal: :Physical Review E 2010

Journal: :Computer Physics Communications 2011
Gabriel Villalobos Dorian L. Linero José D. Muñoz

A 2D, hexagonal in geometry, statistical model of fracture is proposed. The model is based on the drying fracture process of the bamboo Guadua angustifolia. A network of flexible cells are joined by brittle junctures of fixed Young moduli that break at a certain thresholds in tensile force. The system is solved by means of the Finite Element Method (FEM). The distribution of avalanche breakings...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
H Chraïbi M Prat O Chapuis

We study numerically the influence of contact angle on slow evaporation in two-dimensional model porous media. For sufficiently low contact angles, the drying pattern is fractal and can be predicted by a simple model combining the invasion percolation model with the computation of the diffusive transport in the gas phase. The overall drying time is minimum in this regime and is independent of c...

2015
Hiroyuki Kagami

The drying process of polymer solutions coated on a flat substrate is very important in various industrial applications. We have proposed and modified a model of the drying process of a polymer solution coated on a flat substrate for uniform polymer film deposition. We used the model to control the thickness of a thin film after drying through management of the temperature, evaporation, and con...

Journal: :IOP Conference Series: Earth and Environmental Science 2021

Journal: :Journal of Mathematical Analysis and Applications 1993

2014
Mohammad Jafar Dalvand Seyed Saeid Mohtasebi Shahin Rafiee

Energy consumption index is one of the most important criteria for judging about new, and emerging drying technologies. One of such novel and promising alternative of drying process is called electrohydrodynamic (EHD) drying. In this work, a solar energy was used to maintain required energy of EHD drying process. Moreover, response surface methodology (RSM) was used to build a predictive model ...

2013
Ali Mohammadi Shahin Rafiee Alireza Keyhani

Drying conditions affect the quality of dried soybean seeds. Therefore, an accurate description of the drying rate is required. In this study the finite element formulation and solution of diffusive moisture transfer equation was presented to improve seed drying simulation of axisymmetric bodies. The Fick’s diffusive model was solved. For experiment, thin layer soybean seed, ‘Villiamz’ variety,...

2013
Bing Lin Ying Wang Ying Zhou Zhi Zhao

The drying process of traditional Chinese medicine Rosa laevigata Michx was investigated in a laboratory scale dryer. Drying experiments were conducted at five temperatures of 40 ̊C, 50 ̊C, 60 ̊C, 70 ̊C and 80 ̊C. The experimental data were fitted to ten different thin layer drying models to select a suitable model for describing the drying process of Rosa laevigata Michx fruits. The results showed ...

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