Volume 16, Issue 59 (spring 2012)                   JWSS 2012, 16(59): 15-29 | Back to browse issues page

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F. Kooti, S. M. Kashefipour, M. Ghomeshi. Analyzing Velocity Profiles in Density Current. JWSS. 2012; 16 (59) :15-29
URL: http://jstnar.iut.ac.ir/article-1-2195-en.html
Abstract:   (9229 Views)
In this paper, velocity profiles were analyzed under different conditions such as bed slope, discharge and concentration of density current, and water entrainment. Experiments were carried out in a tilting flume with the density currents being provided using salt and water solution. Results showed that the above mentioned factors have significant effects on the velocity profile characteristics. Dimensionless velocity profiles were also provided and compared for sub-critical, critical and supercritical flow conditions and the results showed that for supper critical conditions the velocity profiles are generally thicker due to the more ambient water entrainment. The coefficients of velocity profile equations were also derived for the jet and wall zones, which showed good agreements with the experimental measurements. Relative values of the velocity profile characteristics were also calculated in order to have a better understanding about the velocity profile structure.
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Type of Study: Research | Subject: Ggeneral
Received: 2012/07/4

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