Stability of Turbulent Roll-Waves in an Inclined Open Channel

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概要

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• This paper considers the roll-wave phex?omeutoma out shallow turbulettt flowdown an inclined 0pC]1 chauanel. Out the assummptiouas of long wave leutgths auad theCh<Szy formula for bottom resistance, Dressler has obtained periodic permanentroll-wave solutiotts with discontiuauous water jumps. There exists a one-paranteterfamily of possible wave trai?ts for prescribed average discharge rate. However,if unstable wave trains are coxataiuaed, they will uaot be realized. The linear stabilityof the permanexat roll-wave train is then investigated to examine what wavetraimas are uuastable iua the family. They are showzt to be unstable if their wavelengths are shorter than a certaiut critical value.

• 社団法人日本物理学会の論文
• 1980-03-15

著者

• Tougou Hirohumi

  Department Of Aeronautical Engineering Kyoto University

関連論文

• Creeping Flow of a Slightly Rarefied Gas past Two Equal Touching Spheres
• Stability of Roll-Waves on Thin Laminar Flow down an Inclined Plane Wall
• Stability of Turbulent Roll-Waves in an Inclined Open Channel
• Formation of Roll-Waves on Thin Laminar Flow down an Inclined Plane Wall

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