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Process Monitoring for the Flow Field of Wind Tunnel Systems with a One-Class Classifier Ensemble
Publisher: American Society of Civil Engineers
Abstract: The process monitoring system for wind tunnel flow fields enables real-time monitoring of anomalies and faults within the flow field, allowing for the implementation of necessary adjustments to ensure the normal operation ...
Transverse Properties Prediction of Polymer Composites at High Strain Rates Based on Unit Cell Model
Publisher: American Society of Civil Engineers
Abstract: Mechanical properties of the polymer composites are rate-dependent. The representative volume element (RVE) of unidirectional composites considering the rate-dependent effect of polymers is established with the Improved ...
Investigation of Ultrahigh-Performance Concrete Fracture Characteristics with Different Steel Fiber Fractions Based on Acoustic Emission
Publisher: ASCE
Abstract: Three-point bending test and acoustic emission (AE) monitoring of notched beams with different volume fractions of steel fiber ultrahigh-performance concrete (UHPC) were carried out. The results show that the initiation ...
Analytical Analysis of the Scattering Problem of Plane SV Waves Caused by a Circular Arc Canyon in an Unsaturated Half-Space
Publisher: American Society of Civil Engineers
Abstract: Because the porous multiphase nature of circular arc canyon media has an essential influence on the scattering of seismic waves, elastic media, as well as saturated porous media, do not fully respond to the actual properties ...
Unraveling the Influent Surface Loading Effect on Denitrification and Microbial Community Characteristics in a Hydrogen-Based Membrane Biofilm Reactor under Nitrate Stress
Publisher: American Society of Civil Engineers
Abstract: Influent surface loading is an important operating parameter of hydrogen-based membrane biofilm reactors (H2-MBfRs) and greatly influences denitrification and microbial community characteristics. However, there are few ...
Analysis of the Vibration Isolation Performance of Layered Periodic Wave Impeding Blocks in Unsaturated Soil
Publisher: American Society of Civil Engineers
Abstract: Wave impeding blocks (WIBs) are vibration isolation structures embedded within the foundation to mitigate environmental vibrations and have been increasingly applied in practical engineering in recent years. However, current ...
A Method of Optimizing the Work Schedule of Bus Drivers Based on Set Covering Theory
Publisher: American Society of Civil Engineers
Abstract: A work schedule optimization model of a bus route is proposed to minimize labor cost by optimizing the work schedule of bus drivers. The mathematical model is constructed using set covering theory to minimize the number ...
Effects of Atmospheric Pressure on the Species and Nitrogen Removal Capacity of Heterotrophic Nitrification Bacteria
Publisher: American Society of Civil Engineers
Abstract: The inefficiency and high energy consumption of wastewater treatment at high altitudes underscore the need for advanced biotechnological solutions. Heterotrophic nitrification-aerobic denitrification (HNAD) bacteria present ...
Identifying Unsafe Behavior of Construction Workers: A Dynamic Approach Combining Skeleton Information and Spatiotemporal Features
Publisher: ASCE
Abstract: Vision-based methods for action recognition are valuable for supervising construction workers’ unsafe behaviors. However, current monitoring methods have limitations in extracting dynamic information about workers. Identifying ...
Size Reduction of Cellulosic Biomass in Biofuel Manufacturing: A Study on Confounding Effects of Particle Size and Biomass Crystallinity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Biofuels derived from cellulosic biomass offer an alternative to petroleum-based liquid transportation fuels. In order to convert cellulosic biomass into biofuels, size reduction is a necessary ...
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