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RISCombined Convective Radiative Thermal Analysis of an Inclined Rooftop Solar Chimney
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model for the combined spectral radiative and convective heat transfer analysis of solar chimneys is developed. The radiation part of this model is based on the spectral distribution of the solar heat flux and spectral ...
Residual Strength and Large-Deformation Potential of Loose Silty Sands
Publisher: American Society of Civil Engineers
Abstract: Laboratory and field evidence on residual shear strength, density, and penetration resistance of very loose, water-deposited silty sands and sandy silts capable of liquefying and developing large shear deformations is ...
Effect of Shielding Surfaces on the Irradiance Received by Tilted Collectors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model is developed to predict the total solar irradiance received by a tilted collector in the presence of a large shielding tilted surface. The model is suggested to replace the commonly ...
Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the numerical models underlying the implementation of a novel harmonic balance compressible Navier-Stokes solver with low-speed preconditioning for wind turbine unsteady aerodynamics. ...
Unconfined Compressive Strength of Synthetic and Natural Mine Tailings Amended with Fly Ash and Cement
Publisher: American Society of Civil Engineers
Abstract: The objectives of this study were to evaluate the effect of binder amendment on the unconfined compression strength (UCS) of mine tailings and assess applicability of using the amended materials in earthworks. Natural and ...
Ad-Hoc Boundary Conditions for CFD Analyses of Turbomachinery Problems With Strong Flow Gradients at Farfield Boundaries
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper reports on the improvements of flux enforcement and auxiliary state farfield boundary conditions for Euler and Navier–Stokes computational fluid dynamics (CFD) codes. The new conditions ...
Shape Memory Alloy Expandable Pedicle Screw to Enhance Fixation in Osteoporotic Bone: Primary Design and Finite Element Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The properties of shape memory alloys, specifically the equiatomic intermetallic NiTi, are unique and significant in that they offer simple and effective solutions for some of the biomechanical ...
An Automated Process Sequence Design and Finite Element Simulation of Axisymmetric Deep Drawn Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A computeraided design (CAD) system is developed for automatic process design and finite element (FE) modeling of axisymmetric deep drawn components. Using the theoretical and experimental rules, the system initially designs ...
New Mechanism of Load Introduction into Concrete-Filled Steel Tubular Columns
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of new load-introduction tests and numerical simulations to investigate the mechanism of load introduction from shear connections to concrete-filled steel tubular (CFST) columns, and the ...
Application of Weibull Analysis to Evaluate and Forecast Schedule Performance in Repetitive Projects
Publisher: American Society of Civil Engineers
Abstract: Construction managers regularly monitor projects to ensure that the project performance is under control. The earned value method (EVM) is a widely used tool to forecast project cost and time at completion. However, the ...