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Development and Performance Evaluation of a Solar Dryer for Bulb Onion (Allium cepa L.)

机译:鳞茎洋葱太阳能干燥器的开发与性能评估

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摘要

An experimental solar dryer for dehydration of bulb onion (Allium cepa L.) had been designed by the first author and constructed at the workshop of South China Agricultural University- Guangzhou in which efficiency, cost and durability were optimally combined. The data were recorded by a programmable data acquisition system including microprocessor control, recorded data at ten minutes intervals. During winter season (Dec. 2000), solar heated air was 30.1 ℃ on average, relative humidity of 59.3 % on average, and flow rate of 72.7 m~3/ (h.m~2. coll.surface). The temperatures rises of solar system was 1.7 ℃ and 16.1 ℃, for those temperatures the average collection efficiency was about 54.7 %. Some drying parameters were calculated and results indicated that the numerical values were satisfactory. A techno-feasibility study gave a good result for the possibility of using the developed dryer in rural area.
机译:第一作者设计了一种用于鳞茎洋葱(Allium cepa L.)脱水的实验性太阳能干燥器,并在华南农业大学广州分校的工厂内建造,该工厂将效率,成本和耐用性完美地结合在一起。数据由包括微处理器控制的可编程数据采集系统记录,每隔十分钟记录一次数据。在冬季(2000年12月),太阳加热的空气平均为30.1℃,相对湿度平均为59.3%,流量为72.7 m〜3 /(h.m〜2。coll。surface)。太阳系的温升分别为1.7℃和16.1℃,在这些温度下,平均收集效率约为54.7%。计算了一些干燥参数,结果表明该数值是令人满意的。一项技术可行性研究为在农村地区使用发达的干燥机提供了良好的结果。

著录项

  • 来源
    《AMA》 |2013年第1期|40-44|共5页
  • 作者单位

    Faculty of Agricultural Science, University of Dongola, Dongola, SUDAN;

    Head of Instrument Department, South China Agricultural University, Guangzhou, CHINA;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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