نتایج جستجو برای: moisture diffusivity

تعداد نتایج: 47899  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2011
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 activation energy of samples were calculated. the diffusio...

Journal: :Frontiers in Materials 2023

In this work, a new model is described for the case of interference between thermal, plasma and elastic waves in non-local excited semiconductor medium. The governing equations have been put under influence moisture diffusion one dimension (1D) when thermal conductivity medium taken variable form. Linear transformations were used to describe dimensionless model. photo-thermoelasticity theory ac...

Journal: :Colloid and Interface Science Communications 2021

The diffusivity of substances, such as moisture, through polymer composites is often described by an effective macroscopic quantity, even though microscopically the might be far from uniform. In this work, we study theoretical example a permeable matrix containing equal-sized impermeable spheres. We assume that, due to interface effects, in vicinity spheres higher than its bulk diffusivity. Usi...

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