使用不同的 PCM 和纳米粒子组合提高太阳能热水器与太阳能蒸发器耦合的性能

Energy Storage Pub Date : 2024-09-11 DOI:10.1002/est2.70023
Santosh Kumar Gupta, Devesh Kumar
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引用次数: 0

摘要

地球上的大部分水(约 97% )是受污染或含盐的水,只有 3% 是淡水,只有 1% 的纯净水可供人类方便使用。在农村地区和偏远地区,纯净饮用水匮乏。水净化技术通常依赖于电力,而电力依赖于煤炭和天然气发电厂,这些都对环境和社会构成风险。在可持续发展的各个方面,太阳能海水淡化都被认为是解决纯净饮用水匮乏问题的最实用方法。本文介绍了使用厚度为 6 毫米的不透明和透明钢化玻璃作为盖板的单斜面太阳能蒸发器(SSSS),以及基于相变材料(PCM)的单斜面太阳能蒸发器(MSSSS)的另一种设置。本文使用平板太阳能集热器和热水器来提高蒸馏器的生产率。本研究开发了一个实验模型,用于实验分析印度库希纳加尔 MMIT 的 SSSS 和 MSSSS 在 2023 年 4 月 10 日至 2023 年 4 月 15 日的生产性能。硬脂酸、月桂酸和石蜡与氧化铜(纳米添加剂)的组合被用来提高太阳能蒸发器的生产率。此外,还比较了石蜡、月桂酸和硬脂酸等不同 PCM 的盆地温度。比较了 PCM 和纳米添加剂的不同组合,以找到更好的生产率。据观察,实验装置在下午 3:00 时获得最大产量。与简单的太阳能蒸馏器相比,石蜡、硬脂酸和月桂酸蒸馏器的生产率分别提高了 38.8%、20.3% 和 30.5%。在对各种组合进行实验后发现,与其他组合相比,使用 PCM 石蜡和纳米添加剂 CuO 可使生产率提高 55%。这种创新系统适用于交通不便、需求有限的偏远农村地区的海水淡化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance Enhancement of Solar Still Couples With Solar Water Heater by Using Different PCM's and Nanoparticle Combinations

The majority of the water on Earth roughly 97% is contaminated or salty, only 3% is fresh water, and only 1% of pure water is easily available for human use. In rural areas and remote locations suffering from pure drinking water scarcity.Water purification techniques are generally dependent on electricity, which relies on coal and gas plants, these poses a risk to the environment and society. Solar desalination is being recognized as the most practical way to deal with the scarcity of pure drinking water in all aspects of sustainable development. This paper describes the creation of a single slope solar still (SSSS) using opaque and crystal-clear toughened glass with a thickness of 6 mm as a cover and also another setup of a single slope phase change material (PCM)-based solar still (MSSSS). In this paper, a flat plate solar collector coupled with water heater is used to enhance the productivity of still. In this study, an experimental model has been developed to experimentally analyze exercise productivity performance of SSSS and MSSSS of MMIT Kushinagar, India on April 10, 2023 to April 15, 2023. Combination of stearic acid, lauric acid, and paraffin wax combined with CuO (nanoadditive) is used to enhance the solar still productivity. Also, basin temperature for different PCM's such as paraffin wax, lauric acid, and stearic acid are compared. Different combinations of PCM's and nanoadditives are compared to find the better productivity. It is observed that maximum output is obtained at 3:00 p.m. afternoon on experimental setup. Paraffin wax, stearic acid, and lauric acid still increases productivity by 38.8%, 20.3%, and 30.5%, respectively, when compared to simple solar still. On experimentation of various combinations, it is found that the use of PCM paraffin wax and nanoadditives CuO gives 55% better productivity compared to other combinations. This innovative system is suitable and ideal for desalinating water in isolated and rural locations with low traffic and limited demand.

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