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中国精品科技期刊2020
王艺曼,刘寅,孟照峰,等. 香蕉片高压电场-热泵联合干燥特性与动力学研究[J]. 食品工业科技,2022,43(10):261−270. doi: 10.13386/j.issn1002-0306.2021090300.
引用本文: 王艺曼,刘寅,孟照峰,等. 香蕉片高压电场-热泵联合干燥特性与动力学研究[J]. 食品工业科技,2022,43(10):261−270. doi: 10.13386/j.issn1002-0306.2021090300.
WANG Yiman, LIU Yin, MENG Zhaofeng, et al. Drying Characteristics and Kinetics of Electrohydrodynamics-Heat Pump of Banana Slices[J]. Science and Technology of Food Industry, 2022, 43(10): 261−270. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021090300.
Citation: WANG Yiman, LIU Yin, MENG Zhaofeng, et al. Drying Characteristics and Kinetics of Electrohydrodynamics-Heat Pump of Banana Slices[J]. Science and Technology of Food Industry, 2022, 43(10): 261−270. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021090300.

香蕉片高压电场-热泵联合干燥特性与动力学研究

Drying Characteristics and Kinetics of Electrohydrodynamics-Heat Pump of Banana Slices

  • 摘要: 本试验研究了高压电场-热泵联合干燥不同因素对香蕉片干燥特性的影响。结果表明:热泵干燥引入高压电场可以提升香蕉片干燥速率,且随着电压的升高而加快;香蕉片在联合干燥下表现出更优的干燥品质。60 ℃、75 kV高压电场-热泵联合干燥与60 ℃单热泵对比,能耗降低7.61 kJ/g。此外,通过对不同的干燥模型进行拟合,发现Page模型的拟合效果最佳,试验值与预测值拟合程度较高,可以较好地描述香蕉片干燥过程当中的水分变化规律。结果表明:高压电场在提高干燥品质的同时有助于加快干燥速率,降低干燥能耗,且更为节能,以期为高压电场干燥技术的研究应用提供参考价值。

     

    Abstract: This paper experimentally studied the effects of different factors of electrohydrodynamics-heat pump combined drying on the drying characteristics of banana slices. Results showed that: The introduction of high-voltage electric field in heat pump drying could increase the drying rate of banana slices, and it would increased with the increasing of voltage. Banana slices showed better drying quality under combined drying. Compared with 60 ℃ single heat pump, the energy consumption of 60 ℃, 75 kV electrohydrodynamics-heat pump drying was reduced by 7.61 kJ/g. In addition, by fitting different drying models, the fitting effect of the Page model was the best, which could better describe the moisture change rule of banana slices during electrohydrodynamics-heat pump combined drying. It was suggested that, the electrohydrodynamics could help speed up the drying rate while improving the drying quality, reducing drying energy consumption, and save energy, which could provide reference value for the application of electrohydrodynamics drying technology.

     

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