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| DOI | 10.3390/fluids9030076 |
| Experimental Analysis of the Effect of Limescale on the Wettability of Indirect Evaporative Cooling System Plates | |
| 发表日期 | 2024 |
| EISSN | 2311-5521 |
| 起始页码 | 9 |
| 结束页码 | 3 |
| 卷号 | 9期号:3 |
| 英文摘要 | Indirect evaporative cooling systems have attracted much interest in recent years as they guarantee good cooling effectiveness, with lower energy demand with respect to traditional systems, thus helping to address the issue of climate change. Many studies have shown that an increase in the wettability of recuperator plates results in an improvement in the system performance. However, if the water injected into the system comes from the city water supply, it will contain calcium carbonate residuals, which will form limescale layers on the plates, thus possibly changing their wetting behavior. Therefore, the wettability of three surfaces (an aluminum uncoated surface, AL, a standard epoxy coating, STD, and a hydrophilic lacquer, HPHI) was analyzed in the presence of limescale formations, and compared with that obtained in a previous study for corresponding clean surfaces. The results showed that the HPHI contact angle was reduced in the presence of limescale (median: 50 degrees), that for STD was slightly increased (median: 81 degrees), and that for AL was again reduced (median: 75 degrees). Consequently, HPHI was confirmed to be the most wettable surface in both clean and limescale conditions. Finally, an analysis was undertaken evaluating the spreading factor and the reversible work of adhesion, which were in good agreement with the qualitative visual observations of the plates covered with limescale. |
| 英文关键词 | wettability; contact angle; limescale; indirect evaporative cooling |
| 语种 | 英语 |
| WOS研究方向 | Mechanics ; Physics |
| WOS类目 | Mechanics ; Physics, Fluids & Plasmas |
| WOS记录号 | WOS:001191527300001 |
| 来源期刊 | FLUIDS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/295001 |
| 作者单位 | Polytechnic University of Milan |
| 推荐引用方式 GB/T 7714 | . Experimental Analysis of the Effect of Limescale on the Wettability of Indirect Evaporative Cooling System Plates[J],2024,9(3). |
| APA | (2024).Experimental Analysis of the Effect of Limescale on the Wettability of Indirect Evaporative Cooling System Plates.FLUIDS,9(3). |
| MLA | "Experimental Analysis of the Effect of Limescale on the Wettability of Indirect Evaporative Cooling System Plates".FLUIDS 9.3(2024). |
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