带铜涂层海绵块的太阳能蒸馏器的海水淡化效率:比较研究

IF 2.3 4区 工程技术 Q2 ENGINEERING, MECHANICAL
VS Winstor Jebakumar, V Rajkumar, S Vijayan, A Veerakumar
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引用次数: 0

摘要

世界缺水问题可能会对人类造成巨大威胁。利用太阳能海水淡化技术,可以利用可再生能源生产饮用水。在寻求高效海水淡化方法的过程中,研究人员将太阳能蒸馏器作为一种有前途的解决方案。提高太阳能蒸馏器生产率的一种方法是利用铜涂层海绵立方体。这些方块与蒸馏器融为一体后,可延长加热时间,从而产生更大的温差。这反过来又通过改善改良蒸馏器的性能来提高淡水产量。在这项工作中,我们在泰米尔纳德邦哥印拜陀进行了三台盆式太阳能蒸馏器的实验研究,每台蒸馏器的面积为 0.5 平方米。对使用海绵材料改良的太阳能蒸馏器和使用涂有铜粉的海绵改良的太阳能蒸馏器进行了比较研究。在这些实验研究中,考察了与太阳能蒸发器效率有关的各种性能特征。海绵被放置在水盆的水里。将市售铜粉制成糊状,涂在海绵上,并将其四边的尺寸增大到 0.005 米。涂有铜粉的海绵具有高导热性,可减少蒸馏器的能量损失,同时海绵的毛细作用也提高了蒸发率。由于添加了铜粉,水的热传导率也很高。通过比较研究,使用涂有铜粉的海绵材料的太阳能蒸馏器产量更高。改进后的太阳能蒸馏器提高了效率。未经改装的太阳能蒸馏器的产量为 1.3 公斤/天,带有海绵的改装蒸馏器的产量为 1.5 公斤/天,带有铜涂层海绵的改装蒸馏器的产量为 2.35 公斤/天。放置铜涂层海绵块的蒸馏器的效率为 60.07%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The efficiency of solar stills with copper-coated sponge cubes for water desalination: A comparative study
Water scarcity within the world may be an enormous threat to living beings. Potable water can be produced by renewable energy using solar desalination. In the quest for efficient water desalination methods, researchers have turned to solar stills as a promising solution. One approach to enhancing the productivity of solar stills is the utilization of copper-coated sponge cubes. These cubes, when integrated into the still, provide extended heating periods, leading to higher temperature differences. This, in turn, improves freshwater production by improving the performance of the modified still. In this work, three basin-type solar stills of each 0.5 m2 area have been studied experimentally in the location of Coimbatore, Tamil Nadu. Comparative studies were done between the solar still modified with sponge materials and the modified solar still with sponges coated with copper powder. In these experimental studies, the various performance characteristics related to solar still efficiency have been examined. The sponges were placed inside the water of the basin. The commercially available copper powder was prepared like a paste and coated in the sponges, and it was increased in size to 0.005 m on all sides. The sponges pasted with copper powder reduce the energy losses from the still due to its high thermal conductivity and the evaporation rate also increased by the capillary action of the sponge. High heat transfer to water also occurred due to the addition of copper powder. From the comparative studies, the solar still with sponge materials coated with copper powder gives a higher yield. The proposed solar still with modifications improves efficiency. The solar still without modification gives a yield of 1.3 kg/day, the modified still with sponges gives an output of 1.5 kg/day and the modified still with copper-coated sponges gives an output of 2.35 kg/day. The copper-coated sponge cubes placed still produced an efficiency of 60.07%.
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来源期刊
CiteScore
3.80
自引率
16.70%
发文量
370
审稿时长
6 months
期刊介绍: The Journal of Process Mechanical Engineering publishes high-quality, peer-reviewed papers covering a broad area of mechanical engineering activities associated with the design and operation of process equipment.
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