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首页> 外文期刊>Solar Energy >A novel indirect solar dryer with inlet fans powered by solar PV panels: Drying kinetics of Capsicum Annum and Abelmoschus esculentus with dryer performance
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A novel indirect solar dryer with inlet fans powered by solar PV panels: Drying kinetics of Capsicum Annum and Abelmoschus esculentus with dryer performance

机译：新型间接太阳能干燥机，其进气扇由太阳能光伏电池板驱动：辣椒辣椒和Abelmoschus esculentus的干燥动力学具有干燥机性能

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摘要

In the present work, an indirect type solar dryer (ITSD) was developed and its air flow was encouraged by inlet fans that operated by solar photovoltaic (PV) panels. Drying experiments were performed with green chilli (Capsicum Annum) and okra (Abelmoschus Esculentus). The drying kinetics and the performance parameters of ITSD were estimated. Green chilli and okra were reduced to final moisture content (MC) of 0.01001 and 0.12675 kg/kg of dry basis (db) from an initial MC of 8.3984 and 10.1234 kg/kg of db, respectively. The solar air collector efficiency and drying efficiency of 74.13, 9.15% and 78.30, 26.06%, respectively, were achieved during the drying of green chilli and okra. The average effective diffusion coefficient (D-e) was 1.8903 x 10(-9) m(2)/s and 6.0073 x 10(-9) m(2)/s during drying of green chilli and okra, respectively. The average mass transfer coefficient (h(m)) and heat transfer coefficient (h) were 4.406 x 10(-3) m/s, 5.075 W/m(2)K and 3.302 x 10(-3) m/s, 3.804 W/m(2)K for green chilli and okra, respectively. The activation energy (E) for green chilli and okra was 24.135 and 21.523 kJ/mol, respectively. Significant improvement is noticed in the system when it is compared with the natural convection system. Uncertainty analysis was performed.
机译：在当前的工作中，开发了一种间接型太阳能干燥器（ITSD），并通过由太阳能光伏（PV）面板操作的进气风扇来促进其气流。用绿辣椒（辣椒）和秋葵（Abelmoschus Esculentus）进行干燥实验。估计了ITSD的干燥动力学和性能参数。绿辣椒和秋葵分别从8.3984和10.1234 kg / kg db的初始MC分别降至0.01001和0.12675 kg / kg干基（db）的最终水分（MC）。在干辣椒和秋葵的干燥过程中，分别达到74.13％，9.15％和78.30％，26.06％的太阳能收集器效率和干燥效率。在绿色辣椒和秋葵干燥期间，平均有效扩散系数（D-e）分别为1.8903 x 10（-9）m（2）/ s和6.0073 x 10（-9）m（2）/ s。平均传质系数（h（m））和传热系数（h）为4.406 x 10（-3）m / s，5.075 W / m（2）K和3.302 x 10（-3）m / s，绿辣椒和秋葵分别为3.804 W / m（2）K。绿辣椒和秋葵的活化能（E）分别为24.135和21.523 kJ / mol。与自然对流系统相比，该系统显着改善。进行不确定性分析。

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