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RISAn Efficient Multi-Scale Modeling Method that Reveals Coupled Effects Between Surface Roughness and Roll-Stack Deformation in Cold Sheet Rolling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In thin-gauge cold rolling of metal sheet, the surface roughness of work rolls (WRs) is known to affect the rolled sheet surface morphology, the required rolling load, and the roll wear. While modeling of rough surfaces ...
Doubling–Adding Method for Delta-Four-Stream Spherical Harmonic Expansion Approximation in Radiative Transfer Parameterization
Publisher: American Meteorological Society
Abstract: hough the single-layer solutions have been found for the δ-four-stream spherical harmonic expansion method (SHM) in radiative transfer, there is lack of a corresponding doubling?adding method (4SDA), which enables the ...
A Roll-Stack Contact Mechanics Model to Predict Strip Profile in Rolling Mills With Asymmetric, Continuously Variable Crown Rolls
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Introduced is an efficient new model to compute the roll-stack deflections and contact mechanics behaviors for metal rolling mills with asymmetric roll crowns. The new model expands the simplified mixed finite element (FE) ...
Effects of Non-Darcy Flow and Penetrating Ratio on Performance of Horizontal Wells With Multiple Fractures in a Tight Formation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel slab source function has been formulated and successfully applied to examine effects of non-Darcy flow and penetrating ratio on performance of a horizontal well with multiple fractures in a tight formation. The ...
Liquid Impingement Flow and Heat Transfer of a Cone Heat Sink With Filet Profiles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Jet impingement is a technique for removing heat efficiently. A liquid jet impingement on a cone heat sink was investigated numerically to explore the effect of filet profiles at the top and bottom edge of conical protuberances ...
Stochastic Method to Predict Effects of Roll Grinding Deviations on Sheet Flatness in Cold Rolling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Industrial measurements of the diameter profiles of work-rolls used in cold sheet rolling are applied with a stochastic roll-stack model to better understand how residual error from the roll grinding process affects the ...
Potential and Viscous Interactions for a Multi-Blade-Row Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A computationally efficient time-accurate vortex method for unsteady incompressible flows through multiple blade row systems is presented. The method represents the boundary surfaces using vortex ...
A Novel Low Cost Stereolithography Process Based on Vector Scanning and Mask Projection for High Accuracy, High Speed, High Throughput, and Large Area Fabrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Photopolymerization based process is one of the most popular additive manufacturing (AM) processes. Two primary configurations for this process are laser based vector by vector scanning (0D) and projection based layer by ...
Analysis of the Interchange Rate and Pressure Gradient of Annular Flow Based on a Probability Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The phase distribution and mechanical properties of annular flow have obvious, random characteristics because of the influence of turbulence. Thus, probability analysis is a suitable method for the study of annular flow. ...
The Dissipation Structure of Extratropical Cyclones
Publisher: American Meteorological Society
Abstract: he physical characteristics of extratropical cyclones are investigated based on nonequilibrium thermodynamics. Nonequilibrium thermodynamics, using entropy as its main tool, has been widely used in many scientific fields. ...