干旱区生态环境知识资源中心(Arid): Aerodynamics-assisted, efficient and scalable kirigami fog collectors

Arid

DOI	10.1038/s41467-021-25764-4
	Aerodynamics-assisted, efficient and scalable kirigami fog collectors
	Li, Jing; Ran, Ranjiangshang; Wang, Haihuan; Wang, Yuchen; Chen, You; Niu, Shichao; Arratia, Paulo E.; Yang, Shu
通讯作者	Yang, S (corresponding author), Univ Penn, Dept Mat Sci & Engn, 3231 Walnut St, Philadelphia, PA 19104 USA.
来源期刊	NATURE COMMUNICATIONS
EISSN	2041-1723
出版年	2021
卷号	12 期号:1
英文摘要	To address the global water shortage crisis, one of the promising solutions is to collect freshwater from the environmental resources such as fog. However, the efficiency of conventional fog collectors remains low due to the viscous drag of fog-laden wind deflected around the collecting surface. Here, we show that the three-dimensional and centimetric kirigami structures can control the wind flow, forming quasi-stable counter-rotating vortices. The vortices regulate the trajectories of incoming fog clusters and eject extensive droplets to the substrate. As the characteristic structural length is increased to the size of vortices, we greatly reduce the dependence of fog collection on the structural delicacy. Together with gravity-directed gathering by the folds, the kirigami fog collector yields a collection efficiency of 16.1% at a low wind speed of 0.8 m/s and is robust against surface characteristics. The collection efficiency is maintained even on a 1 m(2) collector in an outdoor setting. Water shortage not only occurs in arid regions, but also in humid area with little precipitation, despite abundant fog. Authors develop robust and scalable 3D centimetric kirigami structures to control wind flow and regulate the trajectories of incoming fog, yielding high fog collection efficiency.
类型	Article
语种	英语
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000696625100014
WOS关键词	WATER ; SURFACE ; TRANSPORT ; DYNAMICS ; DESIGN
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/364223
作者单位	[Li, Jing; Wang, Haihuan; Wang, Yuchen; Yang, Shu] Univ Penn, Dept Mat Sci & Engn, 3231 Walnut St, Philadelphia, PA 19104 USA; [Ran, Ranjiangshang; Arratia, Paulo E.] Univ Penn, Dept Mech Engn & Appl Mech, Philadelphia, PA 19104 USA; [Chen, You; Niu, Shichao] Jilin Univ, Minist Educ, Key Lab Bion Engn, Changchun 130022, Peoples R China
推荐引用方式 GB/T 7714	Li, Jing,Ran, Ranjiangshang,Wang, Haihuan,et al. Aerodynamics-assisted, efficient and scalable kirigami fog collectors[J],2021,12(1).
APA	Li, Jing.,Ran, Ranjiangshang.,Wang, Haihuan.,Wang, Yuchen.,Chen, You.,...&Yang, Shu.(2021).Aerodynamics-assisted, efficient and scalable kirigami fog collectors.NATURE COMMUNICATIONS,12(1).
MLA	Li, Jing,et al."Aerodynamics-assisted, efficient and scalable kirigami fog collectors".NATURE COMMUNICATIONS 12.1(2021).