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Turbulence characteristics of the transition region from hydraulic jump to open channel flow
This note presents experimental measurements on the turbulence characteristics in the transition region from the end of a hydraulic jump to open channel flow in a rectangular channel. An acoustic Doppler velocimeter was used to measure mean velocities, turbulent intensities, Reynolds stress and turbulent kinetic energy for two supercritical Froude numbers. General correlations for the variation of the normalized maximum values of the Reynolds normal stresses as well as the shear stress and the turbulent kinetic energy have been developed, using the present results and those from the literature. The supercritical Froude number was found to be an effective scale in addition to the supercritical approach flow velocity in obtaining the general correlations.
Turbulence characteristics of the transition region from hydraulic jump to open channel flow
This note presents experimental measurements on the turbulence characteristics in the transition region from the end of a hydraulic jump to open channel flow in a rectangular channel. An acoustic Doppler velocimeter was used to measure mean velocities, turbulent intensities, Reynolds stress and turbulent kinetic energy for two supercritical Froude numbers. General correlations for the variation of the normalized maximum values of the Reynolds normal stresses as well as the shear stress and the turbulent kinetic energy have been developed, using the present results and those from the literature. The supercritical Froude number was found to be an effective scale in addition to the supercritical approach flow velocity in obtaining the general correlations.
Turbulence characteristics of the transition region from hydraulic jump to open channel flow
Zobeyer, A.T.M. Hasan (author) / Jahan, Nasreen (author) / Islam, Zahidul (author) / Singh, Gautam (author) / Rajaratnam, Nallamuthu (author)
Journal of Hydraulic Research ; 48 ; 395-399
2010-06-01
5 pages
Article (Journal)
Electronic Resource
English
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