BAcklog FH syllabus

For Mid term- Unit-1 & 2

Backlog syllabus -CVL 402- Fluvial Hydraulics

Unit I:Introduction

Origin, Properties of sediments, size, shape, fall velocity and its effects, orientation, grain size distribution

Difference between rigid and alluvial channels, Incipient motion of sediment particles

Different approaches to study sediment motion. Lift force approach, Tractive force approach, Theoretical and sub theoretical analysis of Shield, White and others.

Types of bed forms or regimes of flow

Unit II

Complexities of regimes in Natural streams

Resistance of flow and velocity distribution in alluvial streams

Bed load transport and saltation, bed load equations, board on dimensional considerations, suspended load transport - mechanism

General equation of diffusion, Total load transport, microscopic and macroscopic method, suspended load sampling.

Unit III

Bed level variation in alluvial streams, stream bed changes during floods

Degradation, Aggradation, silting of reservoirs

Variation in plan form of streams

River training for flood control

Unit IV

Critical tractive force method for design of stable channels

Comparison of the design with traditional methods

Text Books:

1. Graf, W.H., Hydraulics of Sediment Transport, McGraw Hill International

2. R.J. Garde and K.G. Rangaraju, Mechanics of sediment transportation and alluvial stream problems, Wiley Eastern Ltd.

References:

3. A.J.Raudkivi, Loose boundary hydraulics, 3rd edition, Pergamon Press