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首页> 外文期刊>American journal of applied sciences >Mathematical Modeling of Drying Characteristics of Chilies in a Rotating Fluidized Bed Technique
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Mathematical Modeling of Drying Characteristics of Chilies in a Rotating Fluidized Bed Technique

机译：旋转流化床技术中辣椒干燥特性的数学建模

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摘要

Problem statements: The present study investigates experimentally the thin layer drying of chilies in the Rotating Fluidized Bed (RFB) technique and its mathematical modeling. Approach: The layer's height was fixed at 4±0.5 cm. In addition, the drying air velocity and centrifugal acceleration ratio were fixed at 2 m sec~(-1) and G = 2.5 (106 rpm), respectively. With 6 data sets for drying air temperature between 70 and 120℃, the samples were dried from 350±5%db down to 10±l%db. Results: The drying time was in the range of 69-257 min. The chilies from sunlight appeare light red. On the other hand, from the RFB, they appear dark red but can be marketable. Conclusion: The comparisons of five outstanding models are predicted. The Modified Page model gives good agreement with prediction of change in moisture ratio.
机译：问题陈述：本研究实验性地研究了旋转流化床（RFB）技术中辣椒的薄层干燥及其数学模型。方法：将层的高度固定为4±0.5 cm。另外，干燥空气速度和离心加速比分别固定为2 m sec〜（-1）和G = 2.5（106 rpm）。利用用于干燥空气温度在70至120℃之间的6组数据，将样品从350±5％db干燥到10±l％db。结果：干燥时间在69-257分钟的范围内。阳光下的辣椒显得淡红色。另一方面，它们在RFB中显示为深红色，但可以出售。结论：预测了五个杰出模型的比较。修改页面模型与水分比率变化的预测非常吻合。

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  • 来源
    《American journal of applied sciences》 |2011年第10期|p.979-983|共5页
  • 作者

    Kittichai Triratanasirichai; Watcharin Dongbang; Worachest Pirompugd;

  • 作者单位

    Department of Mechanical Engineering, Khon Kaen University, 123 Mittraparb Road, Muang, Khon Kaen 40002, Thailand;

    Department of Mechanical Engineering, Khon Kaen University, 123 Mittraparb Road, Muang, Khon Kaen 40002, Thailand,Department of Mechanical Engineering, Burapha University, 169 Long-Hard Bangsaen Road, Muang, Chonburi 20131, Thailand;

    Department of Mechanical Engineering, Burapha University, 169 Long-Hard Bangsaen Road, Muang, Chonburi 20131, Thailand;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    rotating fluidized bed; drying kinetics; chilies; drying models;

    机译：旋转流化床干燥动力学辣椒;干燥模型;

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