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RISThe Influence of Oblique Tunnel Portals and Blockage Ratio on the Aerodynamic Performance of Urban Rapid Rail Tunnels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The study aims to understand the differences in aerodynamic pressure between urban rapid rail (URR) transit and high-speed railway tunnels caused by different tunnel portal structures. In this paper, a three-dimensional ...
On Fatigue Design Curves for 2.25Cr-1Mo-V Steel Reactors at Elevated Temperature in Code Case 2605
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fatigue design method for 2.25Cr-1Mo-V steel reactors in code case 2605 (CC 2605) is reviewed. Main factors such as the accelerating function of fatigue action, the cyclic frequency, the strain damage factor (β) related ...
Doppler Shift Removal Based on Instantaneous Frequency Estimation for Wayside Fault Diagnosis of Train Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The phenomenon of Doppler shift in the acoustic signal acquired by a microphone amounted beside the railway leads to the difficulty for fault diagnosis of train bearings with a high moving speed. To enhance the condition ...
A Creep Buckling Design Method of Elliptical Heads Based on the External Pressure Chart
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The buckling design criteria of elliptical heads in ASME VIII-1, ASME NH, and RCC-MRx are reviewed and compared. Accordingly, an external pressure chart (EPC) based buckling design approach is developed for elliptical heads ...
A Creep Buckling Design Method of Elliptical Heads Based on the External Pressure Chart
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The buckling design criteria of elliptical heads in ASME VIII-1, ASME NH, and RCC-MRx are reviewed and compared. Accordingly, an external pressure chart (EPC) based buckling design approach is developed for elliptical heads ...