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Subject Details

Dept : CIVIL

Sem : 4

Regul : 2017

Faculty : PRIYA V

phone : NIL

E-mail : vrpriyaashree@gmail.com

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Lecture Notes

UNIT 1:

Definition and differences between pipe flow and open channel flow

Types of Flow

Properties of open channel Fundamental equations

Velocity distribution in open channel

Steady uniform flow: Chezy equation, Manning equation

Best hydraulic sections for uniform flow

Wide open channel

Specific energy and specific force

Critical flow

UNIT 2:

Dynamic equations of gradually varied flows

Types of flow profiles

Classifications

Computation by Direct step method

Direct step method

Standard step method

Control section

Break in Grade

Computation

UNIT 3:

Rapidly Varied Flow

Application of the momentum equation for RVF

Hydraulic jumps

Types

Energy dissipation

Celerity

Rapidly varied unsteady flows

Positive surges

Negative surges

UNIT 4:

Impact of Jet on flat, curved plates, Stationary and Moving

Classification of Turbines

Pelton wheel

Francis turbine

Kaplan turbine

Specific speed

Characteristic Curves of Turbines

Draft tube

cavitation.

UNIT 5:

Classification of Pumps

Centrifugal pumps – Work done

Minimum speed to start the pump - NPSH

Multistage pumps- Characteristics curve

Reciprocating pumps

Negative slip

Indicator diagrams and its variations

Air vessels

Savings in work done.

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