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Lacey’s Silt Theory of Canals

Lacey investigated the stability conditions of different alluvial channels and came up with Lacey’s silt theory which explains about the different regime conditions of a channel such as true regime, initial regime, and final regime and the design ...

Roughening Devices and their Types

Roughening devices are installed at the downstream end of the channel and their main function is to dissipate energy from water flow coming on to the downstream bed. Different types of roughening devices generally used are friction blocks, ...

Cistern and its Types

A cistern is an element of canal fall and it is provided on the downstream portion to dissipate the surplus energy of water leaving the crest.  The purpose of a

Factors Affecting Selection of Hydraulic Turbine

The hydraulic turbines or water turbines are important hydraulic machines of the hydropower plant that convert the hydraulic energy into mechanical energy. There are different types of turbines such as a Pelton turbine, Kaplan turbine, Francis turbine, bulb ...

Metering Flume and its Types

A Metering flume or flow measuring flume is an artificial channel section which is used to measure the discharge of a channel. Flumes are of different types and can be made up of materials such as aluminum, fiberglass, ...

Groynes and their Classification

A groyne is a rigid hydraulic structure built either from the shore (in case of seas) or bank (in case of rivers) in order to dissipate the wave energy or to protect the banks from erosion by

Factors Affecting Selection of Canal Lining

Canal lining is provided to prevent the seepage losses of water. Canal lining can be constructed using a variety of materials. There are some factors to be considered while selecting good canal lining material and those factors are ...

Hydraulic Coefficients of an Orifice

The laboratory experiment procedure to determine hydraulic coefficients of an orifice is explained in this article. The coefficient of contraction, the coefficient of velocity and coefficient of discharge are hydraulic coefficients of an orifice.Theory