Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface
The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the coppe...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Hai [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of heat transfer - New York, NY : ASME, 1959, 139(2017), 2 |
|---|---|
| Übergeordnetes Werk: |
volume:139 ; year:2017 ; number:2 |
| Links: |
|---|
| DOI / URN: |
10.1115/1.4035578 |
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| Katalog-ID: |
OLC1987530713 |
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| 520 | |a The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. | ||
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| 700 | 1 | |a Kwon, Jae W |4 oth | |
| 700 | 1 | |a Wang, Jing |4 oth | |
| 700 | 1 | |a Ma, Hongbin |4 oth | |
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10.1115/1.4035578 doi PQ20170301 (DE-627)OLC1987530713 (DE-599)GBVOLC1987530713 (PRQ)a896-93b85de51dfa5c6f7c37fd6d44f13255e589e1f9fd5443355fcf1bf9b3360ddd0 (KEY)0041034920170000139000200000dropletsjumpingfromahybridsuperhydrophilicandsuper DE-627 ger DE-627 rakwb eng 620 DNB Wang, Hai verfasserin aut Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. Nguyen, Quang oth Kwon, Jae W oth Wang, Jing oth Ma, Hongbin oth Enthalten in Journal of heat transfer New York, NY : ASME, 1959 139(2017), 2 (DE-627)129596353 (DE-600)240766-8 (DE-576)015089401 0022-1481 nnns volume:139 year:2017 number:2 http://dx.doi.org/10.1115/1.4035578 Volltext http://dx.doi.org/10.1115/1.4035578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_60 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_4315 AR 139 2017 2 |
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10.1115/1.4035578 doi PQ20170301 (DE-627)OLC1987530713 (DE-599)GBVOLC1987530713 (PRQ)a896-93b85de51dfa5c6f7c37fd6d44f13255e589e1f9fd5443355fcf1bf9b3360ddd0 (KEY)0041034920170000139000200000dropletsjumpingfromahybridsuperhydrophilicandsuper DE-627 ger DE-627 rakwb eng 620 DNB Wang, Hai verfasserin aut Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. Nguyen, Quang oth Kwon, Jae W oth Wang, Jing oth Ma, Hongbin oth Enthalten in Journal of heat transfer New York, NY : ASME, 1959 139(2017), 2 (DE-627)129596353 (DE-600)240766-8 (DE-576)015089401 0022-1481 nnns volume:139 year:2017 number:2 http://dx.doi.org/10.1115/1.4035578 Volltext http://dx.doi.org/10.1115/1.4035578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_60 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_4315 AR 139 2017 2 |
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10.1115/1.4035578 doi PQ20170301 (DE-627)OLC1987530713 (DE-599)GBVOLC1987530713 (PRQ)a896-93b85de51dfa5c6f7c37fd6d44f13255e589e1f9fd5443355fcf1bf9b3360ddd0 (KEY)0041034920170000139000200000dropletsjumpingfromahybridsuperhydrophilicandsuper DE-627 ger DE-627 rakwb eng 620 DNB Wang, Hai verfasserin aut Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. Nguyen, Quang oth Kwon, Jae W oth Wang, Jing oth Ma, Hongbin oth Enthalten in Journal of heat transfer New York, NY : ASME, 1959 139(2017), 2 (DE-627)129596353 (DE-600)240766-8 (DE-576)015089401 0022-1481 nnns volume:139 year:2017 number:2 http://dx.doi.org/10.1115/1.4035578 Volltext http://dx.doi.org/10.1115/1.4035578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_60 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_4315 AR 139 2017 2 |
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10.1115/1.4035578 doi PQ20170301 (DE-627)OLC1987530713 (DE-599)GBVOLC1987530713 (PRQ)a896-93b85de51dfa5c6f7c37fd6d44f13255e589e1f9fd5443355fcf1bf9b3360ddd0 (KEY)0041034920170000139000200000dropletsjumpingfromahybridsuperhydrophilicandsuper DE-627 ger DE-627 rakwb eng 620 DNB Wang, Hai verfasserin aut Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. Nguyen, Quang oth Kwon, Jae W oth Wang, Jing oth Ma, Hongbin oth Enthalten in Journal of heat transfer New York, NY : ASME, 1959 139(2017), 2 (DE-627)129596353 (DE-600)240766-8 (DE-576)015089401 0022-1481 nnns volume:139 year:2017 number:2 http://dx.doi.org/10.1115/1.4035578 Volltext http://dx.doi.org/10.1115/1.4035578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_60 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_4315 AR 139 2017 2 |
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10.1115/1.4035578 doi PQ20170301 (DE-627)OLC1987530713 (DE-599)GBVOLC1987530713 (PRQ)a896-93b85de51dfa5c6f7c37fd6d44f13255e589e1f9fd5443355fcf1bf9b3360ddd0 (KEY)0041034920170000139000200000dropletsjumpingfromahybridsuperhydrophilicandsuper DE-627 ger DE-627 rakwb eng 620 DNB Wang, Hai verfasserin aut Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. Nguyen, Quang oth Kwon, Jae W oth Wang, Jing oth Ma, Hongbin oth Enthalten in Journal of heat transfer New York, NY : ASME, 1959 139(2017), 2 (DE-627)129596353 (DE-600)240766-8 (DE-576)015089401 0022-1481 nnns volume:139 year:2017 number:2 http://dx.doi.org/10.1115/1.4035578 Volltext http://dx.doi.org/10.1115/1.4035578 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_60 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_4315 AR 139 2017 2 |
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The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. 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Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface |
| abstract |
The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. |
| abstractGer |
The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. |
| abstract_unstemmed |
The wetting condition effect of the condensation process on a hybrid superhydrophobic and superhydrophilic copper surface as shown in Fig. 1a was experimentally investigated. The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. When a tiny droplet developed on the superhydrophobic area joins with the big droplet formed on the superhydrophilic surface (square region), the coalesced droplet obtains additional energy and jumps off from the condensing surface. |
| collection_details |
GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_60 GBV_ILN_70 GBV_ILN_2014 GBV_ILN_2016 GBV_ILN_4315 |
| container_issue |
2 |
| title_short |
Droplets Jumping from a Hybrid Superhydrophilic and Superhydrophobic Surface |
| url |
http://dx.doi.org/10.1115/1.4035578 |
| remote_bool |
false |
| author2 |
Nguyen, Quang Kwon, Jae W Wang, Jing Ma, Hongbin |
| author2Str |
Nguyen, Quang Kwon, Jae W Wang, Jing Ma, Hongbin |
| ppnlink |
129596353 |
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| author2_role |
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| doi_str |
10.1115/1.4035578 |
| up_date |
2024-07-03T14:20:32.219Z |
| _version_ |
1803567950432567296 |
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The superhydrophilic surface (Fig. 1b) consists of micro-flowers (CuO) and nanorods (Cu(OH)2) obtained by immersing the copper substrate into alkaline solution of 2.5 M sodium hydroxide and 0.1 M ammonium persulphate, and the superhydrophobic nanostructured surface (Fig. 1c) was formed by spin coating the Cytop on the hierarchically structured CuO / Cu(OH)2 surface. Experimental results show that the film condensation started on the superhydrophilic region while the dropwise condensation of tiny droplets with an average contact angle of 160° were formed on the superhydrophobic region. Because the film condensation was confined within the superhydrophilic region of 1 mm x 1 mm, the contact angle of this droplet became larger and larger. 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7.400199 |