干旱区生态环境知识资源中心(Arid): Harps under Heavy Fog Conditions: Superior to Meshes but Prone to Tangling

Arid

DOI	10.1021/acsami.0c12329
	Harps under Heavy Fog Conditions: Superior to Meshes but Prone to Tangling
	Shi, Weiwei; De Koninck, Lance H.; Hart, Brandon J.; Kowalski, Nicholas G.; Fugaro, Andrew P.; van der Sloot, Thomas W.; Ott, Robin S.; Kennedy, Brook S.; Boreyko, Jonathan B.
通讯作者	Boreyko, JB
来源期刊	ACS APPLIED MATERIALS & INTERFACES
ISSN	1944-8244
EISSN	1944-8252
出版年	2020
卷号	12 期号:42 页码:48124-48132
英文摘要	In arid yet foggy regions, fog harvesting is emerging as a promising approach to combat water scarcity. The mesh netting used by current fog harvesters suffers from inefficient drainage, which severely constrains the water collection efficiency. Recently, it was demonstrated that fog harps can significantly enhance water harvesting as the vertical wire array does not obstruct the drainage pathway. However, fabrication limitations resulted in a very low shade coefficient of 18% for the initial fog harp prototype and the field testing was geographically confined to light fog conditions. Here, we use wire-electrical discharge machining (wire-EDM) to machine ultrafine comb arrays; winding the harp wire along a comb-embedded reinforced frame enabled a shade coefficient of 50%. To field test under heavy fog conditions, we placed the harvesters on a closed-circuit test road and inundated them with fog produced by an array of overlying fog towers. On average, the fog harps collected about three times more water than the mesh netting. During fog harvesting, the harp wires were observed to tangle together due to the surface tension of water. We developed a rational model to predict the extent of the tangling problem for any given fog harp design. By designing next-generation fog harps to be anti-tangling, we expect that even larger performance multipliers will be possible compared to the current mesh harvesters.
英文关键词	fog harvesting fog harp field test wire tangling anti-clogging droplet elastocapillarity
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000584489800097
WOS关键词	WATER SCARCITY ; DROPWISE CONDENSATION ; COLLECTION EFFICIENCY ; WETTABILITY ; SURFACE ; DESIGN
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS研究方向	Science & Technology - Other Topics ; Materials Science
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/327243
作者单位	[Shi, Weiwei; De Koninck, Lance H.; Hart, Brandon J.; Kowalski, Nicholas G.; Fugaro, Andrew P.] Virginia Tech, Dept Biomed Engn & Mech, Blacksburg, VA 24061 USA; [van der Sloot, Thomas W.; Kennedy, Brook S.] Virginia Tech, Sch Architecture & Design, Blacksburg, VA 24061 USA; [Ott, Robin S.; Boreyko, Jonathan B.] Virginia Tech, Dept Mech Engn, Blacksburg, VA 24061 USA
推荐引用方式 GB/T 7714	Shi, Weiwei,De Koninck, Lance H.,Hart, Brandon J.,et al. Harps under Heavy Fog Conditions: Superior to Meshes but Prone to Tangling[J],2020,12(42):48124-48132.
APA	Shi, Weiwei.,De Koninck, Lance H..,Hart, Brandon J..,Kowalski, Nicholas G..,Fugaro, Andrew P..,...&Boreyko, Jonathan B..(2020).Harps under Heavy Fog Conditions: Superior to Meshes but Prone to Tangling.ACS APPLIED MATERIALS & INTERFACES,12(42),48124-48132.
MLA	Shi, Weiwei,et al."Harps under Heavy Fog Conditions: Superior to Meshes but Prone to Tangling".ACS APPLIED MATERIALS & INTERFACES 12.42(2020):48124-48132.