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A Quantitative Evaluation Method for Impeller-Volute Tongue Interaction and Application to Squirrel Cage Fan With Bionic Volute Tongue
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The impeller–volute tongue interaction strongly influences the aerodynamic performance of squirrel cage fan. To quantitatively evaluate the level of impeller–volute tongue interaction, we propose two parameters, i.e., ...
Mechanism of Seismic Damage and Enlightenment Seismic Design of Bridges Crossing Fault
Publisher: American Society of Civil Engineers
Abstract: In this study, international cases of bridge damage are analyzed to bridges crossing fault (BCF). It is pointed out that bridge damage can be affected by fault type, the orientation of a bridge to a fault, and ground ...
Numerical and Experimental Investigation on the Effect of Swirl Brakes on the Labyrinth Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Swirl brake influences the static and rotordynamic characteristics of labyrinth seal which are important in the prediction of turbomachine stability. To study the influence of the swirl brakes on improving seal stability, ...
Equivalent Static Wind Loads on Single-Layer Cylindrical Steel Shells
Publisher: American Society of Civil Engineers
Abstract: Wind tunnel tests were carried out in an open terrain to measure the wind pressure on six cylindrical roofs with the rise-span ratios of 1/4, 1/6, and 1/8 and length-span ratios of 1 and 2. Using the measured wind pressures ...
Design and Analysis of a New Pressure Relief Valve for Oil-Immersed Electrical Equipment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Internal arcing in oil-immersed electrical equipment is inevitable and of great danger. Transient overpressure should be released by protectors quickly and controllably. Currently available pressure relief valves cannot ...
Settlement Characteristics of Jacked Box Tunneling underneath a Highway Embankment
Publisher: American Society of Civil Engineers
Abstract: The rapid expansion of urban road systems inevitably results in engineering challenges when new road construction requires the safe crossing of existing roads. Therefore, there has been increased interest in box culvert ...
Investigating the Long-Term Settlement of a Tunnel Built over Improved Loessial Foundation Soil Using Jet Grouting Technique
Publisher: American Society of Civil Engineers
Abstract: Postconstruction settlement that occurs before a tunnel is in operation may significantly influence the tunnel’s long-term stability. The current study investigates such a tunnel, a three-lane superlarge section tunnel in ...
Kinematics, Dynamics, and Experiments of n(3RRlS) Reconfigurable Series–Parallel Manipulators for Capturing Space Noncooperative Targets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The kinematics and dynamics of n(3RRlS) reconfigurable series–parallel manipulators (RSPMs) are the theoretical foundations for capturing noncooperative targets in space. In this study, a unified kinematic and dynamic ...