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RISEvolution Characteristics Analysis of Supersonic Inlet Buzz with High-Order Dynamic Mode Decomposition Method
Publisher: ASCE
Abstract: The buzz evolution process of an axisymmetric supersonic inlet was investigated numerically and analyzed using the high-order dynamic mode decomposition (HODMD) method. Driven by an increasing back-pressure, the flow field ...
Probabilistic Data Association-Feedback Particle Filter for Multiple Target Tracking Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is concerned with the problem of tracking single or multiple targets with multiple nontarget-specific observations (measurements). For such filtering problems with data association uncertainty, a novel feedback ...
Parametric Study of Impeller Ring Tongue of Regenerative Hydrogen Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The clearance between impeller disk and the adjacent casing of the regenerative hydrogen pump constitutes a pair of important dynamic seals that affect pump performance and disk force. In this work, a regenerative hydrogen ...
g-C3N4/TiO2 Photocatalyst and Its Performance of NO Degradation in Emulsified Asphalt
Publisher: American Society of Civil Engineers
Abstract: This study prepared one g-C3N4/TiO2 composite photocatalyst by calcinating a mixture of melamine and nano TiO2, and then mixed it with asphalts to photodegrade the NO produced by automobile exhaust. The melamine and TiO2 ...
Progressive Collapse Resistance of Posttensioned Concrete Beam-Column Subassemblages with Unbonded Posttensioning Strands
Publisher: American Society of Civil Engineers
Abstract: In this study, the behavior of posttensioned reinforced concrete (PC) beam-column subassemblages subjected to the loss of a middle column is investigated experimentally. The influence of unbonded posttensioning strands ...
Bending Fatigue Test and Interlayer Pavement Models for Beams of Asphalt Mixture
Publisher: American Society of Civil Engineers
Abstract: The fatigue life of composite beam samples were measured by flexural fatigue test under different bonding oil contents, temperatures, and loads. The measurement was conducted to study the influence of interlayer contact ...
Combined Use of Multiple Drought Indices for Global Assessment of Dry Gets Drier and Wet Gets Wetter Paradigm
Publisher: American Meteorological Society
Abstract: Global warming is expected to enhance the global hydrological cycle, leading dry regions to become drier and wet regions to become wetter (the DDWW paradigm). However, this hypothesis has been challenged by both observational ...
A Comparative Study on the Prediction of Hydrogen, Nitrogen, and Water Vapor of Regenerative Hydrogen Pump With Different Turbulence Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow in a regenerative hydrogen pump used in a proton exchange membrane (PEM) fuel cell system is complex, including velocity mixing, streamline distortion, swirling flow, corner flow, and possible boundary separation. ...
Effect of Curing Temperature on the Strength Development of Magnesium Oxychloride Cement–Solidified Clay
Publisher: ASCE
Abstract: Magnesium oxychloride cement (MOC) is an environment-friendly cement often used for stabilizing soft soils because of its exceptional mechanical properties. In this study, the influence of curing temperature on the strength ...
Deep Learning–Based Fully Automated Pavement Crack Detection on 3D Asphalt Surfaces with an Improved CrackNet
Publisher: American Society of Civil Engineers
Abstract: CrackNet is the result of an 18-month collaboration within a 1-person team to develop a deep learning–based pavement crack detection software that demonstrated successes in terms of consistency for both precision and bias. ...