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Time-Resolving PIV Measurements and Modal Analysis of Turbulent Flow in a Bench-Scale Hydrodynamic Separator
Publisher: American Society of Civil Engineers
Abstract: Effective stormwater treatment infrastructures are crucial for mitigating the adverse effects of runoff on urban water quality. However, designing cost-effective treatment systems can be challenging due to complex turbulent ...
CFD with Evolutionary Optimization for Stormwater Basin Retrofits
Publisher: ASCE
Abstract: Stormwater basins, which are subject to highly unsteady flows and loads, function as clarifiers for particulate matter (PM) and PM-bound constituents. Quasi-steady flow hydrodynamics in water and wastewater treatment plant ...
Representation of Near-Wall Particle Fate in a Eulerian–Lagrangian Approach for Clarifier Unit Operations
Publisher: ASCE
Abstract: Eulerian–Lagrangian methods are common for computational fluid dynamics (CFD) modeling of particle fate. Near-wall turbulence flow profiles are frequently modeled with wall function (WF) for computational efficiency and ...
Benchmarking Reynolds-Averaged Navier–Stokes Turbulence Models for Water Clarification Systems
Publisher: ASCE
Abstract: Turbulence is inherent in clarification basin systems; turbulence is challenging to quantify, yet directly impacting particulate matter (PM) separation. In computational fluid dynamic (CFD), Reynolds-averaged Navier-Stokes ...
InterAdsFoam: An Open-Source CFD Model for Granular Media–Adsorption Systems with Dynamic Reaction Zones Subject to Uncontrolled Urban Water Fluxes
Publisher: ASCE
Abstract: In the urban water cycle, adsorption facilitated by engineered granular media increasingly is deployed for solute separation in potable water, stormwater, and wastewater systems. Of these systems, stormwater treatment is ...
Unit Operation and Process Modeling with Physics-Informed Machine Learning
Publisher: ASCE
Abstract: Machine learning (ML) is increasingly implemented to model water infrastructure dynamics. Common ML models are primarily data-driven and require a significant amount of data for robust training. Often, obtaining robust ...
Influence of Pore Water on the Fracture of Silica Sand at Particle Scale
Publisher: American Society of Civil Engineers
Abstract: The fracture of particles has a significant influence on the engineering behavior of granular materials. There are no reported conclusive answers in the literature to explain the influence of pore water on the fracture of ...
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