Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems
A hybrid anti-/de-icing system combining a superhydrophobic coating and an electrothermal heater is an area of active research for aircraft icing prevention. The heater increases the temperature of the interaction surface between impinging droplets and an aircraft surface. One scientific question th...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-08-01
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| Series: | Aerospace |
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| Online Access: | https://www.mdpi.com/2226-4310/8/8/219 |
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| author | Mitsugu Hasegawa Haruka Endo Katsuaki Morita Hirotaka Sakaue Shigeo Kimura |
| author_facet | Mitsugu Hasegawa Haruka Endo Katsuaki Morita Hirotaka Sakaue Shigeo Kimura |
| author_sort | Mitsugu Hasegawa |
| collection | DOAJ |
| description | A hybrid anti-/de-icing system combining a superhydrophobic coating and an electrothermal heater is an area of active research for aircraft icing prevention. The heater increases the temperature of the interaction surface between impinging droplets and an aircraft surface. One scientific question that has not been studied in great detail is whether the temperatures of the droplet and the surface or the temperature difference between the two dominate the anti-/de-icing performance. Herein, this scientific question is experimentally studied based on the mobility of a water droplet over a superhydrophobic coating. The mobility is characterized by the sliding angle between the droplet and the coating surface. It was found that the temperature difference between the droplet and the coating surface has a higher impact on the sliding angle than their individual temperatures. |
| first_indexed | 2024-03-10T09:05:59Z |
| format | Article |
| id | doaj.art-192219a41c174430b0cc837f368796f8 |
| institution | Directory Open Access Journal |
| issn | 2226-4310 |
| language | English |
| last_indexed | 2024-03-10T09:05:59Z |
| publishDate | 2021-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Aerospace |
| spelling | doaj.art-192219a41c174430b0cc837f368796f82023-11-22T06:22:00ZengMDPI AGAerospace2226-43102021-08-018821910.3390/aerospace8080219Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection SystemsMitsugu Hasegawa0Haruka Endo1Katsuaki Morita2Hirotaka Sakaue3Shigeo Kimura4Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN 46556, USAMeteorological Research Institute for Technology, Bunkyo, Tokyo 113-0033, JapanNext Generation Aeronautical Innovation Hub Center, Japan Aerospace Exploration Agency, Mitaka, Tokyo 181-0015, JapanDepartment of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN 46556, USADepartment of Mechanical Engineering, Kanagawa Institute of Technology, Atsugi 243-0292, Kanagawa, JapanA hybrid anti-/de-icing system combining a superhydrophobic coating and an electrothermal heater is an area of active research for aircraft icing prevention. The heater increases the temperature of the interaction surface between impinging droplets and an aircraft surface. One scientific question that has not been studied in great detail is whether the temperatures of the droplet and the surface or the temperature difference between the two dominate the anti-/de-icing performance. Herein, this scientific question is experimentally studied based on the mobility of a water droplet over a superhydrophobic coating. The mobility is characterized by the sliding angle between the droplet and the coating surface. It was found that the temperature difference between the droplet and the coating surface has a higher impact on the sliding angle than their individual temperatures.https://www.mdpi.com/2226-4310/8/8/219aircraft icinganti-/de-icingsuperhydrophobic coatingsliding angletemperature |
| spellingShingle | Mitsugu Hasegawa Haruka Endo Katsuaki Morita Hirotaka Sakaue Shigeo Kimura Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems Aerospace aircraft icing anti-/de-icing superhydrophobic coating sliding angle temperature |
| title | Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems |
| title_full | Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems |
| title_fullStr | Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems |
| title_full_unstemmed | Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems |
| title_short | Behavior of Sliding Angle as Function of Temperature Difference between Droplet and Superhydrophobic Coating for Aircraft Ice Protection Systems |
| title_sort | behavior of sliding angle as function of temperature difference between droplet and superhydrophobic coating for aircraft ice protection systems |
| topic | aircraft icing anti-/de-icing superhydrophobic coating sliding angle temperature |
| url | https://www.mdpi.com/2226-4310/8/8/219 |
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