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首页> 外文期刊>International journal of green energy >Experimental investigations on a forced convection solar air heater using packed bed absorber plates with phase change materials
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Experimental investigations on a forced convection solar air heater using packed bed absorber plates with phase change materials

机译：使用填充床吸收板和相变材料的强制对流太阳能空气加热器的实验研究

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摘要

In this work, the performance of a forced convection solar air heater was evaluated using using three packed bed absorber plate configurations and compared with flat absorber plate. The phase change material (paraffin wax) was packed in the pin-fin, trianglular and circular absorber plate configurations. The performance parameters such as, outlet air temperature, thermo-hydraulic efficiency, exergy efficiency and pressure drop were predicted and compared. The results showed that the packed bed absorber plate configurations using paraffin wax have higher outler air temperature in the range of 2-5 degrees C with 3-40% higher thermo-hydraulic efficiency and 2-20% higher exergy efficiency when compared to flat absorber plate. However, the packed bed absorver plates have higher pressure drop when compared to flat absorber plate.
机译：在这项工作中，使用三种填充床吸收板配置评估了强制对流太阳能空气加热器的性能，并与平板吸收板进行了比较。将相变材料（石蜡）包装成针状翅片，三角形和圆形吸收板结构。预测并比较了出口空气温度，热工水力效率，火用效率和压降等性能参数。结果表明，与平板式吸收器相比，使用石蜡的填充床吸收器板构型在2-5摄氏度范围内具有更高的外部空气温度，热液压效率高3-40％，火用效率高2-20％盘子。但是，与平坦的吸收板相比，填充床吸收板的压降更高。

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