间接太阳能干燥机的平面微热管式外和管储存单元:试点研究
Tarek Kh Abdelkader1,2, Abouelnadar El Salem3,4, Yanlin Zhang3
1College of Engineering, Huazhong Agricultural University, Shizishan Street, Hongshan District, Wuhan, 430070, China. tkg00@fayoum.edu.eg.
概括
这项研究介绍了一种用于Poria cocos的新型太阳能干燥机,利用平面微热管 (FMHP) 进行高效的能量存储. 该系统证明了这种药草的有效干燥,具有有利的回报期.
科学领域:
- 可再生能源工程可再生能源工程
- 热力学是一种热力学.
- 农业加工 农业加工
背景情况:
- 在中国传统医药中,Poria cocos是一种有价值的药用草本,需要有效的干燥方法.
- 太阳能干燥为农产品提供了传统方法的可持续替代方案.
- 有限的研究存在于太阳能干燥专门用于Poria cocos,特别是使用先进的热储存技术.
研究的目的:
- 为Poria cocos.设计和评估一个间接的太阳能干燥系统.
- 为了研究一种新型热储单元的性能,该单元采用带有的平面微热管 (FMHP).
- 通过热力学第一和第二定律来评估系统的热效率和能量效率.
主要方法:
- 建造一个间接太阳能干燥机,其中包括一个粗太阳能空气加热器 (RSAH),一个带有FMHP的外和管储存单元,以及一个干燥室.
- 在储存单元内整合石,以增强热管理.
- 使用热力学原理进行性能评估,测量热效率,能量效率和特定能耗.
主要成果:
- 粗太阳能空气加热器 (RSAH) 的平均热效率为73.9%,功率效率为5.1%.
- 热储系统的整体热效率为37.6%,能量效率为17.2%,有效散热时间为4小时.
- 干燥机的整体效率为27.6%,具体能耗为8.629千瓦时/千克水分,系统的回报期为1.7年.
结论:
- 开发的太阳能干燥系统,将FMHP纳入热储存单元,有效干燥Poria cocos.
- 该系统的热力学性能表明了高效的能源利用和储能能力.
- 短的回报期表明,像Poria cocos.这样的药草的太阳干燥具有经济可行性.
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