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INVESTIGATION OF THE THERMAL EFFICIENCIES OF A SOLAR DRYER

机译:太阳能干燥机的热效率研究

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摘要

This paper deals with the construction and performance of a solar powered drying system consisting of a solar air heater and a drying chamber. The thermal efficiencies of both the solar air heater and the drying section as a function of typical physical parameters and the experimental results for different food products at different air flow rates are discussed. The results of this study indicate that the present drying system has thermal efficiencies between 0.3 and 0.8 during drying experiments and that the higher flow rates increase the overall drying performance and especially efficiency.
机译:本文探讨了由太阳能空气加热器和干燥室组成的太阳能干燥系统的结构和性能。讨论了作为典型物理参数的函数的太阳能空气加热器和干燥部的热效率,以及不同食品在不同空气流量下的实验结果。这项研究的结果表明,本干燥系统在干燥实验过程中的热效率在0.3到0.8之间,较高的流速可提高整体干燥性能,特别是效率。

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