Course detail
Stability of channels of water courses
FAST-DR58Acad. year: 2009/2010
Natural stream channel evolution, response of natural stream to interferences. Generation, properties and transport of sediments. Effect of sediment transport to channel bed roughness. Deformation of particular parts of open channels and train rivers by water flow.
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Course curriculum
2. Generation of sediments, Sternberg's law, mechanic-physical
properties of sediments
3. Initiation of sediment transport - distribution of shear stress in
profile
4. Critical shear stress, drag force
5. Non-scouring and silting velocity, sediment flow
6. Analysis and comparison of comonly used calculaiton formulas
7. Flow in open channel - velocity field - point, in vertical and
mean profile velocities
8. Deformation of velocity field in river bends - main equation
9. Razovsky method of expression of velocity field deformation
10. Deformation of channel, geration of scours and deposits
11. Theoretic-empiric formulas for calculaiton of size of possible
scours
12. Comparison of applicability of different formulas
13. Influence of sediment transport to change of roughness degree
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