الفهرس 
CHAPTER ONEOnly 14 pages are availabe for public view
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Abstract
The proposed study ”the pool” is considered a new technique used to
control the hydraulic jump formed in stilling basins by making DROP in bed level
followed by rise in bed level. A theoretical study was done using the
dimensional analysis to reach relations correlating the different design
parameters of the pool. Moreover, the one dimensional momentum equation
and the continuity equation were used to deduce theoretical design equations
which correlate the initial Froude number and different parameters of the pool.
In addition, the energy equation was used to derive theoretical equations for the
relative energy loss of the jump occurred in pool stilling basin.
An experimental study was done in radial stilling basin with expansion
ratio of 0.667. Studies were made to find the effective length and depth of pool,
which gives maximum energy loss, minimum length of jump and minimum
relative depth.
Studies were made by providing other control techniques in addition with
the pool such as adding sills or steps in the bed of the pool or providing rounded
pool end or using inlet or outlet slopes.