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Turbulence Measurement in Nonuniform Open-Channel Flow Using Acoustic Doppler Velocimeter (ADV)
Publisher: American Society of Civil Engineers
Abstract: Measurements of the mean and turbulence characteristics in nonuniform open-channel flows were carried out using a 3D acoustic Doppler velocimeter. Both accelerating and decelerating flows were investigated. Analyses based ...
Velocity and Turbulence Distribution in Unsteady Open-Channel Flows
Publisher: American Society of Civil Engineers
Abstract: Unsteady flow properties are experimentally studied in an open channel with a rough bed. A recently developed acoustic Doppler velocity profiler (ADVP) is used to obtain instantaneously the flow profiles. From these ...
Analytical Model for Ductility Assessment of Fixed-Head Concrete Piles
Publisher: American Society of Civil Engineers
Abstract: Under seismic loading, restraint provided by the anchorage of the pile reinforcement in the pile-cap of a foundation may induce a large curvature demand in the pile. For performance-based design of the foundation, the ...
Effect of Bed-Load Movement on Flow Friction Factor
Publisher: American Society of Civil Engineers
Abstract: The effect of bed-load movement on the friction factor of pipe flow and open-channel flow was studied experimentally. The measured results for flows without bed-load movement for both of these flows compares well with the ...
Vibration Analysis of Non-Classically Damped Linear Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This Technical Brief presents a new method for vibration analysis of a non-classically damped system. The basic idea is to introduce a transformation, which bears clear physical meaning, so ...
Closure to “Discussion on ‘Vibration Analysis of Non-Classically Damped Linear Systems’ ” (2004, ASME J. Vib. Acoust., 126)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We appreciate S. M. Shahruz for his interest in our paper and for the useful comments on the numerical method for solving the transformed system Ÿ(t)+eCt(Λ2−C2)e−CtY(t)=0,Display FormulaY(0)=X0, ...