Flow resistance over a gravel bed: Its consequence on initial sediment movement

1991 ◽  
pp. 15-32 ◽  
Author(s):  
Walter H. Graf
Keyword(s):  
Flow Resistance ◽  
Sediment Movement ◽  
Gravel Bed

Flow resistance of gravel bed channels

2014 ◽  
Vol 29 (1) ◽  
pp. 126-132 ◽  
Author(s):  
Wen C. WANG ◽  
David R. DAWDY
Keyword(s):  
Flow Resistance ◽  
Gravel Bed

scholarly journals Influence of Gravel-Bed Porosity and Grain Orientation on Bulk Flow Resistance

Water ◽  
2018 ◽  
Vol 10 (5) ◽  
pp. 561 ◽  
Author(s):  
Christy Navaratnam ◽  
Jochen Aberle ◽  
Jie Qin ◽  
Pierre-Yves Henry
Keyword(s):  
Grain Orientation ◽  
Flow Resistance ◽  
Bulk Flow ◽  
Gravel Bed ◽  
Bed Porosity

scholarly journals Block ramps for stream power attenuation in gravel-bed streams: a review

2020 ◽  
Author(s):  
Rakesh Kumar Chaudhary ◽  
Nayan Sharma ◽  
Zulfequar Ahmad
Keyword(s):  
Energy Dissipation ◽  
Flow Resistance ◽  
Simple Technique ◽  
State Of The Art ◽  
Flow Characteristics ◽  
Stream Power ◽  
Gravel Bed ◽  
The Past ◽  
Gravel Bed Streams ◽  
Block Ramp

Abstract Application of block ramp technique in steep gradient streams for energy dissipation as well as to maintain river stability finds increasing favor amongst researchers and practitioners in river engineering. This paper dwells on a comprehensive state-of-the-art review of flow resistance, energy dissipation,flow characteristics, stability, and drag force on block ramp by various investigators in the past. The forms and equations for each type are thoroughly discussed with the objective of finding the grey areas and gaps. While, more research is warranted further to improve the equations, essential for design analysis. Block ramps can be a promising simple technique to achieve reasonable attenuation of devastating fluvial forces unleashed in gravel-bed streams during cloud bursts.

Applying the mixing layer analogy for flow resistance evaluation in gravel-bed streams

2020 ◽  
Vol 589 ◽  
pp. 125119
Author(s):  
Ming Luo ◽  
XieKang Wang ◽  
XuFeng Yan ◽  
Er Huang
Keyword(s):  
Flow Resistance ◽  
Mixing Layer ◽  
Resistance Evaluation ◽  
Gravel Bed ◽  
Gravel Bed Streams
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