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RISSelf-Cleaning Ability of the Piano Key Weir with Driftwood Blockages
Publisher: American Society of Civil Engineers
Abstract: The piano key weir has been successfully used to address discharge deficiencies and site limitations for run-of-river structures and new and existing spillways, serving as an economical alternative to traditional weirs. ...
Performance and Protection of Base-Isolated Structures under Blast Loading
Publisher: American Society of Civil Engineers
Abstract: Terrorist attacks are a growing threat worldwide. Explosive devices, the weapon of choice for a majority of these attacks, significantly threaten civilian and military personnel. Seismic ground motions are also associated ...
Artificial Specimen Damping for Substructure Real-Time Hybrid Simulation
Publisher: American Society of Civil Engineers
Abstract: Damping plays an important role in structural dynamics by absorbing energy and reducing structural responses. The inherent damping in a building ranges from approximately 2 to 10% critical damping in the first mode; even ...
Performance and Protection of Base-Isolated Structures under Blast Loading
Publisher: American Society of Civil Engineers
Abstract: Terrorist attacks are a growing threat worldwide. Explosive devices, the weapon of choice for a majority of these attacks, significantly threaten civilian and military personnel. Seismic ground motions are also associated ...
Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow near the leading edge stagnation line of a plane turbine cascade airfoil is analyzed using measurements, analytical modeling, and computational fluid dynamics modeling. New measurements ...
Evaluation of Heat and Mass Transfer Models for Sizing Low-Temperature Kalina Cycle Microchannel Condensers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Waste heat driven ammonia/water Kalina cycles have shown promise for improving the efficiency of electricity production from low-temperature reservoirs (T < 150 °C). However, there has been limited application of these ...
Evolution of the Transition to a World Driven by Renewable Energy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The world’s energy supplies will continue to be pressured as the population grows and the standard of living rises in the developing world. A move by the rest of the world toward energy ...
Surface Shear Stress and Pressure Measurements in a Turbine Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To further the understanding of secondary flow loss, a set of surface measurements is presented for a planar turbine cascade tested at low Mach number (maximum of 0.23) and at an inlet axial ...
Analysis of Cables Suspended in Sheaves
Publisher: American Society of Civil Engineers
Abstract: A new method for the analysis of cables that may roll on sheaves is presented. Implicit in this method is the use of a new pulley element which can model a finite length of cable supported somewhere along its length by a ...
Bang-Bang and Semiactive Control with Variable Stiffness TMDs
Publisher: American Society of Civil Engineers
Abstract: A semiactive control strategy for the vibration control of structures using a stiffness varying tuned mass damper (TMD) with application of bang-bang control force to TMD is proposed. The control strategy involves a ...