PROBLEM TO BE SOLVED: To provide a turbulent flow friction resistance reduction device that eliminates the need for highly frequent maintenance and the need for a complicated control system.SOLUTION: A turbulent flow friction resistance reduction device 10 has a wall surface 14 provided to an object 12 performing a relative motion to a liquid L, coming into contact with the liquid L and is provided with temperature variation in an oblique direction relative to a main flow direction F of the liquid L.SELECTED DRAWING: Figure 1
【課題】高頻度のメンテナンスを必要とせず、複雑な制御系を必要としない乱流摩擦抵抗低減装置を提供する。【解決手段】乱流摩擦抵抗低減装置10は、流体Lとの相対運動が行われる物体12に設けられ、流体Lに接し、かつ流体Lの主流方向Fに対して斜め方向に温度変化を与えられる壁面14を有している。【選択図】図1
TURBULENT FLOW FRICTION RESISTANCE REDUCTION DEVICE
乱流摩擦抵抗低減装置
2018-09-27
Patent
Electronic Resource
Japanese
IPC: | F15D FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS , Strömungsdynamik, d.h. Verfahren oder Vorrichtungen zum Beeinflussen der Strömung von Gasen oder Flüssigkeiten / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B64C AEROPLANES , Flugzeuge / F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES , Zylinder, Kolben oder Gehäuse für Brennkraftmaschinen |
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