%0 Journal Article %T Turbulent characteristics in flow subjected to bed suction and jet injection as a pier-scour countermeasure %J Journal of Hydraulic Structures %I Shahid Chamran University of Ahvaz %Z 2345-413X %A Soltani Gerdefaramarzi, Somayeh %A Afzalimehr, Hossein %A Chiew, Yee-Meng %A Ghasemi, Mohsen %D 2013 %\ 03/01/2013 %V 1 %N 1 %P 1-10 %! Turbulent characteristics in flow subjected to bed suction and jet injection as a pier-scour countermeasure %K Pier scour %K jet %K Turbulence %K bed suction %K injection %R 10.22055/jhs.2013.10070 %X The effect of a combined system of the bed suction and jet injection as a pier-scour countermeasure on the turbulent flow field is studied in a laboratory flume using an Acoustic Doppler Velocimeter (ADV). The three components of the velocities in the vertical symmetry plane in the equilibrium scour hole in front and rear of the pier under 3-jet injections and bed suction rate Qs/Q0 = 2%located between 0