Abstract
AbstractThe damping due to liquid viscosity and free surface contamination in the tuned liquid damper (TLD) is often insufficient to dissipate the vibrational energy that is transferred to the damper from the primary structure during their dynamic interaction. Installation of flow damping devices (FDDs) in the TLD can enhance its energy dissipation capacity manifold. FDDs are specially designed appendages that induce added damping by providing hydraulic resistance to the motion of the sloshing liquid. Among the available FDDs, slat screens and horizontal baffles are widely studied by researchers. A comparative study of the added damping provided by these two FDDs, along with their other advantages and disadvantages, is presented in this paper. Additional damping induced by the said FDDs is evaluated numerically considering a standard rectangular TLD configuration.KeywordsFlow damping devicesHorizontal baffleSlat screenTuned liquid damper
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