Numerical simulation and study on heat and mass transfer in a hybrid ultrasound/convective dryer

文献类型： 外文期刊

第一作者： Chen, Kaikang

作者： Chen, Kaikang;Chen, Kaikang;Torki, Mehdi;Ghanbarian, Davoud;Beigi, Mohsen;Abdelkader, Tarek Kh.;Abdelkader, Tarek Kh.

作者机构：

关键词： Deep-bed drying; Ultrasonic power; Partial differential equation; Boundary layer; Moisture diffusivity; Heat transfer coefficient

期刊名称：JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE （ 影响因子：3.1； 五年影响因子：3.8 ）

ISSN： 0022-1155

年卷期： 2024 年 61 卷 6 期

页码：

收录情况： SCI

摘要： Susceptibility of airborne ultrasonic power to augment heat and mass transfer during hot air dehydration of peppermint leaves was investigated in the present study. To predict the moisture removal curves, a unique non-equilibrium mathematical model was developed. For the samples dried at temperatures of 40-70 degrees C and the power intensities of 0-104 kW m-3, the diffusion of moisture inside the leaves and coefficients for of mass and heat transfer varied from 0.601 x 10-4 to 5.937 x 10-4 s-1, 4.693 x 10-4 to 7.975 x 10-4 m s-1 and 49.2 to 78.1 W m-2 K-1, respectively. In general, at the process temperatures up to 60 degrees C, all the studied transfer parameters were augmented in the presence of ultrasonic power.

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