Discrete Particle Analysis at Low Stress States

Predicting Dense, Turbulent Gas-Particle Flows

Particle Segregation in a Rotating Drum

Experimental Statistical Study of the Motion of a Particle on a Rough Surface

Microstructural Constitutive Modelling for Granular Material

Effects of Particle Packing on Bedload Motion

Sediment Particle Motions in the Wall Region of a Turbulent Boundary Layer

Use of a Particle Tracking Model and GIS in the Delineation of Wellhead Protection Areas and Mapping of Potential Pollution Sources

Effect of Oversize Particles on Swell and Compression of Compacted Unsaturated Soils

Segregation Phenomena in a Horizontal Rotating Cylinder

Optical Scatter From a Space Craft Mirror Due to Microscopic Impacts
This article addresses the issue of how micrometeoroid and man made debris in the space environment can adversely change the optical resolution of a mirror. The study used an algorithm...

Overview of Space Environmental Effects
The natural environment for low Earth orbit subjects satellites to various forms of damage, ranging from particulate impacts, ultraviolet light, atomic oxygen erosion and charged particle...

JSC-1: A New Lunar Soil Simulant
A new lunar soil simulant, JSC-1, has been developed and characterized under the auspices of the NASA Johnson Space Center. This simulant was produced in large quantities to satisfy the...

Effects of Flocculation on Particle Transport
On the basis of previous experimental and theoretical work on flocculation rates and the settling speeds of flocs, an accurate and computationally efficient model of the aggregation and...

Second Order Directional Wave Kinematics in Shallow Water
A theory numerical procedure were developed earlier to represent a real sea by the sum of many linear and second order directional wave components. Earlier publications showed that including...

Wet Detention Facility Pollutant Removal Modeling
This paper documents development of the WETPOND model, which simulates long-term pollutant removal by a wet detention facility. Pollutant removal is determined with an EPA procedure that...

Random Vortex Models in Wind Engineering
Random vortex methods are Lagrangian particle-based numerical simulation schemes especially appropriate for Wind Engineering simulations. Vortex methods do not suffer from numerical diffusion...

Waste Minimization and Recycling by Microfiltration during Nitrocellulose Manufacturing
A plant survey was conducted to determine the amount of nitrocellulose (NC) discharged with process water from each of five sequential NC purification processes. Wastewater samples were...

Assessing Roughing Filtration Design Variables
Rural communities are affected by the surface water treatment rule and are looking for inexpensive filtration options which are easy to operate and maintain. This paper evaluates roughing...

Evaluation of Enhanced Coagulation for DBP Control
The paper presents a pilot scale study conducted to examine the control of Disinfection By-Product (DBP) precursors by conventional and enhanced coagulation. The objectives of the study...

 

 

 

 

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