不同屋顶形状温室太阳能干燥机的CFD分析

2019 Fifth International Conference on Science Technology Engineering and Mathematics (ICONSTEM) Pub Date : 2019-03-01 DOI:10.1109/ICONSTEM.2019.8918788

Purusothaman M, V. N, P. Santhosh

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引用次数: 10

摘要

季节性农产品在生产过剩时可进行干燥处理，不耕种时可食用。食品原料的干燥消耗大量的时间和能量。温室干燥机是最便宜的干燥方法，因为它消耗自然可用的太阳能。使用温室干燥机可以使食品远离灰尘，甚至恶劣的天气条件，而不是将食品材料放在阳光下。计算流体力学是优化设计的有力工具，对半球形、四边形和三角形等不同屋顶结构的温室太阳能干燥器进行了优化设计和分析。对三角形、半球形和梯形的自由对流和强制对流进行了分析，并对空载条件下的性能进行了分析。分析了不同环境条件下的温度分布，找到了最高效的干燥机。结果表明，梯形屋顶型温室太阳能干燥器比其他形状的温室太阳能干燥器温度最高。

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CFD Analysis of Greenhouse Solar Dryer with Different Roof Shapes

The seasonal agricultural products could be dried when surplus quantity is produced and it can be consumed when not cultivated. Drying of food materials consumes a much time and energy. Green house dryer is the cheapest drying methods since it consumes naturally available solar energy. The use of green house dryer keeps the food safe from dirt, dust and even from adverse weather conditions instead of keeping the food material in open sun light. The computational fluid dynamics is most powerful tool required to optimize the design and analysis is carried out with different roof structure greenhouse solar dryer like hemispherical, trapezium and triangle. The dryer analysis was carried out with free and forced convection for Triangle, hemispherical and trapezoidal and also analyzed the performance with no load condition. Temperature profiles under various ambient conditions were analyzed to find the most efficient dryer. The result concludes that trapezoidal roof shape greenhouse dryer has maximum temperature than other shapes of greenhouse solar dryer.

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2019 Fifth International Conference on Science Technology Engineering and Mathematics (ICONSTEM)

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