Zi Wu
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View article: Taylor–Aris dispersion of active particles in oscillatory channel flows
Taylor–Aris dispersion of active particles in oscillatory channel flows Open
Mass dispersion in oscillatory flows is closely tied to various environmental and biological processes, differing markedly from dispersion in steady flows due to the periodic expansion and contraction of particle patches. In this study, we…
View article: Analysis of contaminant dispersion in constructed wetland flows with absorptive boundaries
Analysis of contaminant dispersion in constructed wetland flows with absorptive boundaries Open
Pollution in wetland flows poses a significant challenge to ecosystem preservation, underscoring the importance of wetland restoration. Constructed wetlands have emerged as a widely embraced solution for contaminant mitigation. In this stu…
View article: Drag Coefficient of Emergent Vegetation in a Shallow Nonuniform Flow Over a Mobile Sand Bed
Drag Coefficient of Emergent Vegetation in a Shallow Nonuniform Flow Over a Mobile Sand Bed Open
Widely distributed in natural rivers and coasts, vegetation interacts with fluid flows and sediments in a variable and complicated manner. Such interactions make it difficult to predict associated drag forces during sediment transport. Thi…
View article: Drag coefficient of emergent vegetation in a shallow nonuniform flow over a mobile sand bed
Drag coefficient of emergent vegetation in a shallow nonuniform flow over a mobile sand bed Open
The dataset and video file describe the experimental data about bed-load transport rates in the nonuniform flow through a vegetated patch under the conditions of Q=1.8 L/s and φ=0.1. This data set is used to support the temporal variation …
View article: Environmental Transport of Gyrotactic Microorganisms in an Open‐Channel Flow
Environmental Transport of Gyrotactic Microorganisms in an Open‐Channel Flow Open
The rich and complex phenomena of the transport of active particles like microorganisms in shear flows are of great significance to various biological and environmental applications. Recent studies have shown that the motility and gyrotaxi…
View article: A partitioned model for predicting the spatial development of flow in ecological vegetated rivers with submerged vegetation
A partitioned model for predicting the spatial development of flow in ecological vegetated rivers with submerged vegetation Open
The evolution of the velocity caused by submerged vegetation in river courses with regular cross sections has been poorly investigated using analytical methods. Fully understanding the longitudinal profiles of the velocity is significant a…
View article: Reactive transport in channel flows with bed adsorption and desorption
Reactive transport in channel flows with bed adsorption and desorption Open
Researches on the solute dispersion process with adsorption and desorption at boundaries are common in various fields, such as chemistry, biology and hydraulics. However, the Laplace transform as an available method for the adsorption-deso…
View article: On bedload particle deposition and hop statistics
On bedload particle deposition and hop statistics Open
Understanding the statistics of bedload particle motions is of great importance. To model the hop events defined as trajectories of particles moving successively from the start to the end of their motions, recently, Wu et al. (Water Resour…
View article: Material footprint assessment of hydropower plants
Material footprint assessment of hydropower plants Open
Hydropower is the largest renewable source of electricity generation. However, the construction and operation of hydropower plants may cause significant material footprints. This study provides a systems accounting framework for evaluating…
View article: Theoretical analysis for bedload particle deposition and hop statistics
Theoretical analysis for bedload particle deposition and hop statistics Open
Understanding the statistics of bedload particle motions is of great importance. To model the hop events which are defined as trajectories of particles moving successively from the start to the end of their motions, recently, Wu et al. ( W…
View article: Systems Accounting for Carbon Emissions by Hydropower Plant
Systems Accounting for Carbon Emissions by Hydropower Plant Open
Hydropower is the largest renewable source of electricity generation, the carbon emissions of which have attracted a lot attention. However, the system boundaries of existing studies are either incomplete or inaccurate. Therefore, this stu…
View article: Drag coefficient of emergent vegetation in shallow nonuniform flow on a mobile sand bed
Drag coefficient of emergent vegetation in shallow nonuniform flow on a mobile sand bed Open
The dataset and video file describe the experimental data about bed-load transport rates in the nonuniform flow through a vegetated patch under the conditions of Q=1.8 L/s and φ=0.1. This data set is used to support the temporal variation …
View article: Analytical approach unifying the two-regime scaling for bedload particle motions
Analytical approach unifying the two-regime scaling for bedload particle motions Open
<p>Bedload particle hops are defined as successive motions of a particle from start to stop, characterizing one of the most fundamental processes describing bedload sediment transport in rivers. Although two transport regimes have be…
View article: Consumption-Based Carbon Emissions of Tianjin Based on Multi-Scale Input–Output Analysis
Consumption-Based Carbon Emissions of Tianjin Based on Multi-Scale Input–Output Analysis Open
Cities are a major source of carbon emissions and should play an important role in reducing carbon emissions. This study applies the method of multi-scale input–output analysis (MSIO) to analyze the consumption-based carbon emissions of Ti…
View article: Transient Anomalous Diffusion and Advective Slowdown of Bedload Tracers by Particle Burial and Exhumation
Transient Anomalous Diffusion and Advective Slowdown of Bedload Tracers by Particle Burial and Exhumation Open
The process of burial and exhumation of bedload particles within a certain depth of the riverbed leads to vertical exchange of particles, which significantly affects the characteristics of streamwise bedload transport. In this paper, we re…
View article: Analytical Solution for Anomalous Diffusion of Bedload Tracers Gradually Undergoing Burial
Analytical Solution for Anomalous Diffusion of Bedload Tracers Gradually Undergoing Burial Open
Accounting for the burial of tracer particles during bedload transport is an important component in the formulation of tracer dispersal in rivers. Herein we propose a modified active layer formulation, which accounts for the effect of buri…