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Axial Dispersion Coefficients in Laminar Flows of Water-Distribution Systems
Publisher: American Society of Civil Engineers
Abstract: Because longitudinal dispersion is becoming increasingly germane to the problem of accurately determining water quality, water-resource managers and engineers seeking to represent solute transport in drinking-water systems ...
Momentum Transport Mechanism for Water Flow over Porous Media
Publisher: American Society of Civil Engineers
Abstract: The momentum transport phenomena at the interface of the porous medium and fluid have been numerically investigated. The single domain approach is used with matching boundary conditions; that is, the Brinkman-Forchheimer-extended ...
A Numerical Analysis of the Emissions Characteristics of Biodiesel Blended Fuels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computer simulations were conducted to study the combined effects of methyl soyate (biodiesel) blends with no. 2 diesel fuel on diesel engine (D.I.) performance. Diesel engine emissions and heat ...
Effects of Substrate Conductivity on Convective Cooling of Electronic Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The coupled conduction and forced convection transport from substrate-mounted modules in a channel is numerically investigated to identify the effects of the substrate conductivity. The results ...
Enhanced Artificial Neural Networks Estimating Water Quality Constraints for the Optimal Water Distribution Systems Design
Publisher: American Society of Civil Engineers
Effect of Draw-In on Formability in Axisymmetrical Sheet Metal Forming
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the formability of sheet metal, distinction is made between the formability at the critical section, the formability of the material, and process efficiency. It is shown that draw-in has ...
Experimental Verification of Incomplete Solute Mixing in a Pressurized Pipe Network with Multiple Cross Junctions
Publisher: American Society of Civil Engineers
Abstract: Water quality models based on accurate mixing data at cross junctions are important for estimating concentrations of chemical species in municipal water distribution systems. Recent studies indicate that the instantaneous ...
Effects of Pressure and Aging in SATS Test
Publisher: American Society of Civil Engineers
Abstract: The saturation aging tensile stiffness (SATS) test has been developed to quantify the moisture damage of a range of U.K. asphalt mixtures. In order to combine the effects of moisture and aging, the test is undertaken at ...
Heuristic Postoptimization Approaches for Design of Water Distribution Systems
Publisher: American Society of Civil Engineers
Abstract: This work presents a postoptimization methodology for refining the solutions found by adaptive search algorithms used in the design of large water distribution networks. The approach uses two heuristics to search for an ...
Mixing at Cross Junctions in Water Distribution Systems. I: Numerical Study
Publisher: American Society of Civil Engineers
Abstract: The present study investigates solute mixing phenomena at various flow rates within a cross junction, which is commonly found in municipal drinking water distribution systems. Simulations using computational fluid dynamics ...
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