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Clarification of a Common Misunderstanding of Collision Frequencies in the Smoluchowski Equation
Publisher: American Society of Civil Engineers
Abstract: Flocculation is universally modeled on the basis of the seminal work of M. von Smoluchowski. The key equation is a particle number balance that expresses the net rate of formation of particles of a given type as the ...
Modeling Formation of Natural Organic Matter Fouling Layers on Ultrafiltration Membranes
Publisher: American Society of Civil Engineers
Abstract: Three simple mathematical models to describe fouling of an ultrafiltration membrane by natural organic matter (NOM) are developed and compared. These models attribute the fouling to: (1) an increase of the effective pore ...
Countertrade Financing: Historical Example
Publisher: American Society of Civil Engineers
Abstract: Construction financing is continually evolving, especially with regard to the role of the contractor. Of the various schemes surfacing, counter‐trade financing is perhaps the most difficult for modern contractors. This ...
Use of Iron Oxides to Enhance Metal Removal in Crossflow Microfiltration
Publisher: American Society of Civil Engineers
Abstract: This research investigated whether iron oxyhydroxides used in conjunction with microfiltration could improve the removal of metals from a waste while maintaining adequate flux. Filtration of individual metals, a mixture ...
Application of Macrolamination Technology to Lean, Premixed Combustion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Macrolamination, a novel manufacturing technique, is used to develop a dual-fuel premixer. A spatially distributed injection strategy is used to enhance fuel placement, distribution, and mixing ...
Radiance Preprocessing for Assimilation in the Hourly Updating Rapid Refresh Mesoscale Model: A Study Using AIRS Data
Publisher: American Meteorological Society
Abstract: AbstractThis study describes the initial application of radiance bias correction and channel selection in the hourly updated Rapid Refresh model. For this initial application, data from the Atmospheric Infrared Sounder ...