干旱区生态环境知识资源中心(Arid): Enhancing fog collection by optimizing wettability combination and fork-row collector arrangement: light and heavy fog

Arid

DOI	10.1088/1361-6463/acf8d3
	Enhancing fog collection by optimizing wettability combination and fork-row collector arrangement: light and heavy fog
	Zhang, Ming; Xiao, Menghan; Li, Chuan; Li, Dingchen; Li, Jiawei; Yu, Kexun; Pan, Yuan
通讯作者	Li, C
来源期刊	JOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN	0022-3727
EISSN	1361-6463
出版年	2023
卷号	56 期号:49
英文摘要	Fog collection is essential to alleviate water scarcity in arid areas. However, the vast majority of existing fog collectors only work effectively in heavy fog. To broaden the fog concentration range for efficient work, an optimization strategy based on wettability combination and fork-row arrangement is proposed in this work. Single-layer experiment results show that a hydrophilic (HL) surface with high deposition capacity collects droplets at a faster rate in light fog (25-80 g h-1), while the collection rate of a hydrophobic (HB) surface with high drainage capacity is higher in heavy fog (220-500 g h-1). Double-layer experiment results show that in light fog, the best combination of double-layer collection electrodes is HL-HL, while HB-HL performs best in heavy fog. A 35% improvement in collection rate can be obtained simply by changing the arrangement from smooth-row (S) to fork-row (F), which is attributed to the increased effective collision area of droplets. In our series of experiments, at 50 g h-1, the collection rate of double-layer combination HL-HL(F) is 56.7% higher than that of single-layer HL. In particular, the collection rate of HB-HL(F) reaches 1434.7 mg cm-2 h-1 at 500 g h-1. Such a good performance is attributed to the force imbalance of hanging droplets caused by wettability differences, which tends to transport small droplets on HB towards HL directionally, resulting in a rapid droplet slippage. Therefore, the HB-HL accelerates drainage and refreshes capture points. Furthermore, fog collection performance is also influenced by layer spacing, which has an optimal distance. These findings provide a promising method for practical applications of fog collectors in a wide range of fog flow quantities, enhancing adaptability to variable environments.
英文关键词	electrostatic fog collection collection rate fog flow quantity wettability
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001068505100001
WOS关键词	WATER ; EFFICIENCY
WOS类目	Physics, Applied
WOS研究方向	Physics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397504
推荐引用方式 GB/T 7714	Zhang, Ming,Xiao, Menghan,Li, Chuan,et al. Enhancing fog collection by optimizing wettability combination and fork-row collector arrangement: light and heavy fog[J],2023,56(49).
APA	Zhang, Ming.,Xiao, Menghan.,Li, Chuan.,Li, Dingchen.,Li, Jiawei.,...&Pan, Yuan.(2023).Enhancing fog collection by optimizing wettability combination and fork-row collector arrangement: light and heavy fog.JOURNAL OF PHYSICS D-APPLIED PHYSICS,56(49).
MLA	Zhang, Ming,et al."Enhancing fog collection by optimizing wettability combination and fork-row collector arrangement: light and heavy fog".JOURNAL OF PHYSICS D-APPLIED PHYSICS 56.49(2023).