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首页> 外文期刊>Arabian Journal for Science and Engineering >Experimental Validation of Exergy Optimization of a Flat-Plate Solar Collector in a Thermosyphon SolarWater Heater
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Experimental Validation of Exergy Optimization of a Flat-Plate Solar Collector in a Thermosyphon SolarWater Heater

机译：热虹吸太阳能热水器中平板太阳能集热器的火用优化实验验证

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摘要

In this paper, a flat-plate solar collector used in thermosyphon solar water heater has been optimized; and the optimization results used to fabricate a flat-plate solar collector with locally available materials. The constructed heater has then been tested under the climatic conditions of the city of Santa in Cameroon and the measured data used to validate the proposed theoretical model. The computational code that helps to obtain the right combination of the design parameters that maximizes the exergy efficiency was written employing the genetic algorithm. The optimization results show the ability of the heater to achieve high performances with lower surface area of the collector. The experimental and numerical simulation results of a chosen day have been confronted, and the concordance proves to be acceptable. It has also been observed that the absorber plate made of aluminum would have the same performance with that made of copper if it thickness is increased up to 0.005 m and that increasing the insulator thickness to approximately 0.05 m leads to a considerable decrease of the heat loss coefficients and consequently to an increase in the efficiencies of the system.
机译：本文对用于热虹吸太阳能热水器的平板太阳能集热器进行了优化。优化结果用于使用当地可用材料制造平板太阳能集热器。然后在喀麦隆圣塔市的气候条件下对所构造的加热器进行了测试，并使用测量数据来验证所提出的理论模型。使用遗传算法编写了有助于获得最大能值效率的设计参数正确组合的计算代码。优化结果表明，加热器能够以较低的集热器表面积实现高性能。遇到了所选日期的实验和数值模拟结果，并且一致性被证明是可以接受的。还已经观察到，如果将铝制吸收板的厚度增加到0.005 m，则其吸收性能将与铜制吸收板相同，并且将绝缘子的厚度增加至约0.05 m可以显着降低热量损失系数，因此提高了系统效率。

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