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RISStudy on the Seasonal Estuarine Turbidity Maximum Variations of the Yangtze Estuary, China
Publisher: American Society of Civil Engineers
Abstract: In this study, measurements were used to characterize the dry–wet seasonal factors that control hydrodynamics and sediment transport in the Deepwater Navigational Channel (DNC) located in the North Passage of the Yangtze ...
A Simplified Method to Calculate the Acoustic Pressure of Three-Dimensional Finite-Length Noise Barriers
Publisher: American Society of Civil Engineers
Abstract: To predict the performance of three-dimensional (3D) finite-length noise barriers, a simplified method is presented to calculate the acoustic pressure of noise barriers by a theoretical approach. Based on noise diffraction ...
Applying a Macroscopic Calibration to a Wiedemann Driver Behavior Threshold Study
Publisher: American Society of Civil Engineers
Abstract: A speed - flow graph is used to calibrate Wiedemann 74 model parameters. A parameter calibration platform integrating VISSIM, Matlab, and ExcelVBA is built, which minimizes the differences between the measured values and ...
Automatic Detection of Rail Surface Cracks with a Superpixel-Based Data-Driven Framework
Publisher: American Society of Civil Engineers
Abstract: A bilevel superpixel-based framework for the vision inspection of rail conditions and automatically detecting rail surface cracks is proposed in this paper. The simple linear iterative clustering (SLIC) algorithm is applied ...
Study on Cable Tension Characteristics of Shore-Based Constant Tension Mooring Systems Under the Coupling Effect of Wind, Wave, and Current
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a shore-based constant tension mooring system, which improves the cable tension distribution by adjusting the length of the cable to maintain the constant tension of the cable between the ship and the ...
Experimental Research on Tribological Properties of Mn0.78Zn0.22Fe2O4 Magnetic Fluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The synthesis and application of nanometer-sized particles have received considerable attention in recent years because of their different physical and chemical properties from those of the bulk ...
The Optimization of Distribution and Fan Parameters in Heat Treatment Furnaces Through the Integration of Numerical Simulation and Machine Learning
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study employed numerical simulation technology to investigate the distribution of workpieces within a low-temperature trolley heat furnace and analyze the influence of circulating fan parameters on heat treatment ...
Exergy Analysis for Air Separation Process Under Off Design Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An air separation unit (ASU) represents the largest overall energy consumption (about 15–20%) in a steel production facility. Therefore, improving the operating efficiency of an ASU is an effective way to achieve energy ...
A New Multiaxial Fatigue Life Prediction Model Under Proportional and Nonproportional Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the critical plane approach, the drawbacks of the Wang–Brown (WB) model are analyzed. It is discovered that the normal strain excursion in the WB model cannot account for the additional ...
Experimental Study on the Multisegment Regime of the Water Flow in Drip Emitters
Publisher: American Society of Civil Engineers
Abstract: The flow exponent greatly determines the hydraulic performance of drip emitters. The objective of this study is to reveal the change of flow exponents with different water pressures. Laboratorial experiments of the ...