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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2011, Volume 52, Issue 2, Pages 81–91 (Mi pmtf1464)  
Generation mechanism of bed wave in a sand-bed channel

A. G. Petrova, I. I. Potapovb

a Institute of Applied Mechanics, Moscow, 119526, Russia
b Computing Center, Far East Division, Russian Academy of Sciences, 680000, Khabarovsk, Russia
Full-text PDF (323 kB)
Abstract: The previously proposed theory of bed load motion by fluid flow is developed. A plane system of equations for bed perturbations is obtained using a formula for the sediment transport rate which takes into account the effect of free-surface perturbations on sediment transport and is extended to the two-dimensional case. Dependences of the lengths and velocities of longitudinal and transverse waves with the most rapidly increasing amplitude on Froude number are determined. The effect of macroturbulent viscosity and surface waves on the generation of bed waves is determined.
Keywords: bed processes, bed load motion, active bed layer, bed waves, channel stability.
Received: 26.02.2010
English version:
Journal of Applied Mechanics and Technical Physics, 2011, Volume 52, Issue 2, Pages 224–233
DOI: https://doi.org/10.1134/S0021894411020106
Bibliographic databases:
Document Type: Article
UDC: 532.545
Language: Russian
Citation: A. G. Petrov, I. I. Potapov, “Generation mechanism of bed wave in a sand-bed channel”, Prikl. Mekh. Tekh. Fiz., 52:2 (2011), 81–91; J. Appl. Mech. Tech. Phys., 52:2 (2011), 224–233
Citation in format AMSBIB
\Bibitem{PetPot11}
\by A.~G.~Petrov, I.~I.~Potapov
\paper Generation mechanism of bed wave in a sand-bed channel
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2011
\vol 52
\issue 2
\pages 81--91
\mathnet{http://mi.mathnet.ru/pmtf1464}
\elib{https://elibrary.ru/item.asp?id=16227883}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2011
\vol 52
\issue 2
\pages 224--233
\crossref{https://doi.org/10.1134/S0021894411020106}
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