BEDS

作品数：121被引量：239H指数：8
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Bed roughness and grain sorting- an experimental study over fine to medium sand beds
《International Journal of Sediment Research》2017年第3期384-400,共17页Barendra Purkait Dipanjan Das Majumdar Rajat Mazumder 
the Director, ISI, for financial support in the form of a Plan Project (2008-2011)
The relation between grain-size distribution of the bed and in suspension was critically examined under a uniform flow velocity of 50 cm/s over two beds: one of mainly fine sands and the other of medium sands. Two sec...
关键词：Flume experiments Suspension height Uniform flow velocity Bed roughness Grain-size distribution Bed scouring Turbulent flow 
Turbulent structure in uniform inclined open channel flow over different rough porous beds
《International Journal of Sediment Research》2017年第1期45-52,共8页Evangelos Keramaris 
In this study the effects of the different rough porous beds in an open inclined channel are studied experimentally for impermeable and permeable porous bed. For the simulation of porous bed two dif- ferent types of p...
关键词：Particle image velocimetryPorous filtersGravel bedChannel slopeTurbulent characteristics 
NONUNIFORMOPEN CHANNEL FLOW WITH UPWARD SEEPAGE THROUGH LOOSE BEDS
《International Journal of Sediment Research》2003年第3期266-272,共7页Subhasish DEY 
The Reynolds stress and bed shear stress are important parameters in fluvial hydraulics. Steady-nonuniform flow in open channels with streamwise sloping beds having upward seepage through loose beds is theoretically a...
关键词：Reynolds stress Bed shear Open channel flow Sedimentary beds Steady-nonuniform flow SEEPAGE 
EXPERIMENTAL STUDY ON INCIPIENT MOTION OF SEDIMENT PARTICLES ON GENERALIZED SLOPING FLUVIAL BEDS被引量：8
《International Journal of Sediment Research》2001年第3期391-398,共8页Subhasish DEY Asst. Prof., Dept. of Civil Engrg., Indian Inst. of Tech., Kharagpur 721302, West Bengal, India. Fax: +91 3222 82254 
This paper presents an experimental investigation on incipient motion of non-cohesive uniform sediment under a steady-uniform stream flow on generalized sloping fluvial beds (combined lateral and stream-wise slope). T...
关键词：Granular material SEDIMENT Fluvial bed Incipient motion Sediment transport Sediment threshold Fluvial hydraulics 
USING　THE　K_3　ROUGHNESS　COEFFICIENT　TO　MEASURE　THE　SPATIAL　AND　TEMPORAL　VARIABILITY　OF　ROUGHNESS　ON　RIVER　BEDS
《International Journal of Sediment Research》1994年第3期57-64,共8页Carmen de Jong( B.E.R.G., Institut fur Geographische Wissenschalten, Freie Universitat Berlin, Grunewaldstr. 35, 12165 Berlin, Germany) 
Roughness is measured using a new approach, whereby the relative roughness of the river bed is obtained instead of the conventional grain size distribution. The K3 roughness coefficient allows an accurate description ...
3D NUMERICAL MODELLING OF NON-COHESIVE SEDIMENT TRANSPORT ON LOOSE AND RIGID BEDS被引量：1
《International Journal of Sediment Research》1994年第3期107-116,共10页Roberto Mayerle 
This paper describes the experiences obtained in the development, improvement and verification of a three dimensional numerical model that simulates free surface flows with sediment transport. Emphasis is given to t...
STABILITY OF TORRENT BEDS CHARACTERISED BY STEP POOL TEXTURES　
《International Journal of Sediment Research》1994年第3期124-132,共9页Michael Rosport ,Institute of Hydraulic Structures and Agricultural Engineering,University of Karlsruhe, D-76128 Karlsruhe, Germany) 
Flume studies were carried out at the Theodor Rehbock Laboratory, to examine the Processes of step POOl formation and the stability of mountain river beds. The study was conducted in a 20 cm wide tilting flume at slop...
关键词：POOL STEP STABILITY OF TORRENT BEDS CHARACTERISED BY STEP POOL TEXTURES 
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