首页|CFD Simulation of Micro-Level Water Transport in Potato Cells Under Periodic Boundary Conditions: Apoplastic Versus Symplastic Hydrodynamic
CFD Simulation of Micro-Level Water Transport in Potato Cells Under Periodic Boundary Conditions: Apoplastic Versus Symplastic Hydrodynamic
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NETL
NSTL
Springer Nature
Abstract Water transport in potato microstructure occurs through symplastic, apoplastic, and transcellular mechanisms. Understanding these microscale behaviors is crucial for enhancing food processing operations and achieving high-quality processed products. In this research, we analyzed low thermal water transport in potato cells. The cell designs included one, two, and four simplified cell configurations, and the CFD method simulated water transport in COMSOL Multiphysics. Three mass concentration equations, based on diffusion, permeability, and capillary diffusivity were used to estimate moisture concentration variation for intracellular, intercellular, and cell wall environments. Then, the velocities of water within the cell, through the cell wall, and between the cells were calculated using the Brinkman equation under periodic boundary conditions. The results indicated that the intracellular water concentration profile for all three designs was similar. At 0.78% cell fraction, there was the greatest difference of 3.22 × 10− 9 m s− 1 in average velocity, while the 0.72% cell fraction showed no difference in average velocity for designs. Water concentration simulations indicated that concentration within the cells decreased from an initial value of 4.5 × 104 to a final value of 3 × 104 within 100s. The units’ center temperature increased from initial degrees of 297 K to 330 K in the same period. Intercellular water diffusivity increased with cell fraction. The findings indicate that velocity and diffusivity are influenced by fraction and design, while intercellular fraction rather than cell designs determine mass concentration.
NETL
NSTL
Springer Nature
