Experimental study on the performance of a vertical plate packing cooling tower at various air flow rates

2020 IEEE 11th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT) Pub Date : 2020-01-01 DOI:10.1109/ICMIMT49010.2020.9041232

M. Pita, P. Sob

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Abstract

Significant research efforts and resources are being put in improving the performance and efficiency of a vertical plate packing cooling tower during their industrial application. Limited success has been achieved as more research effort is still geared towards designing a vertical plate packing cooling tower with more acceptable operating efficiency during usage. This study focused on experimental investigation of cooling tower performance of a vertical plate packing cooling tower. The tower is filled with a packed column of 150mm x 150mm x600mm high in transparent acrylic with 100m2/m3 plate packing. The experiment was performed with three different airflow velocities, 2.74m3/s, 1.95m3/s and 0.6m3/s to test the system performance and efficiency during application. It was also revealed that the cooling tower efficiency is higher at the high airflow velocity, which is 30.5% and lower at a low airflow velocity, which was 12.4%. It can be concluded that the investigated design of the cooling tower is not performing well as the efficiency is lower than 50%.

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不同风量下垂直板式填料冷却塔性能的实验研究

在立式板式填料冷却塔的工业应用中，对其性能和效率的改进投入了大量的研究和资源。由于更多的研究工作仍然面向设计一种在使用过程中具有更可接受的运行效率的垂直板式填料冷却塔，因此取得了有限的成功。本文对立式板式填料冷却塔的冷却塔性能进行了试验研究。塔内填充了150mm × 150mm × 600mm高的透明亚克力填充柱，采用100m2/m3的板填料。实验以2.74m3/s、1.95m3/s和0.6m3/s三种不同的气流速度进行，测试系统在使用过程中的性能和效率。结果表明，在高风速下冷却塔效率较高，为30.5%，在低风速下冷却塔效率较低，为12.4%。结果表明，所研究的冷却塔设计效果不佳，效率低于50%。

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2020 IEEE 11th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT)

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