BLADE STRUCTURE, AIRCRAFT BLADE, AND WIND TURBINE BLADE
BLADE STRUCTURE, AIRCRAFT BLADE, AND WIND TURBINE BLADE
- New search for: KIMURA SHIGEO
- New search for: KOJIMA TETSUYA
- New search for: ONOMA KEI
- New search for: KIMURA SHIGEO
- New search for: KOJIMA TETSUYA
- New search for: ONOMA KEI
PROBLEM TO BE SOLVED: To provide a blade structure capable of appropriately preventing icing in an environment exposed to high-speed overcooling water droplets.SOLUTION: On a surface of an aircraft blade, a surface of a blade front edge portion predicted to be collided by high-speed overcooling water droplets at times of take-off and landing is formed as a non-water repellent region having a low surface roughness, and a super-water repellent paint is coated on the other surface regions. The non-water repellent region is heated by an electrothermal heater, whereby ice nuclei generated in the blade front edge portion are molten without being grown to icing, repelled by a water repellent structure of the blade surface subsequent to the blade front edge portion in a blade chord direction, and scattered and eliminated.SELECTED DRAWING: Figure 1
【課題】本発明は、高速の過冷却水滴に曝露される環境下において、着氷を好適に防止することのできる翼構造体を提供することを目的とする。【解決手段】航空機の翼の表面において、離着陸時に高速の過冷却水滴が衝突することが予想される翼前縁部については、その表面を表面粗さの小さい非撥水性領域として形成し、それ以外の表面領域に超撥水性塗料を塗布する。非撥水性領域を電熱ヒータで加熱することによって、翼前縁部に生成した氷核は、着氷に成長することなく融解し、翼弦方向に後続する翼表面の撥水構造によって弾かれて飛散・除去される。【選択図】 図１
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BLADE STRUCTURE, AIRCRAFT BLADE, AND WIND TURBINE BLADE
翼構造体、航空機の翼及び風力タービンブレード
2016-03-03
Patent
Electronic Resource
Japanese
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