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RISNumerical Modeling of Wind Turbine Wakes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An aerodynamical model for studying three-dimensional flow fields about wind turbine rotors is presented. The developed algorithm combines a three-dimensional Navier-Stokes solver with a so-called ...
Piping-Seepage Mechanism of Tailings with Different Fine Particle Contents
Publisher: ASCE
Abstract: Piping-seepage damage is one of the major factors leading to tailings dam failure. To explore the microscopic influence mechanism of tailings with different fine content on piping development, on the basis of the indoor ...
The Actuator Surface Model: A New Navier–Stokes Based Model for Rotor Computations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new numerical technique for simulating two-dimensional wind turbine flow. The method, denoted as the 2D actuator surface technique, consists of a two-dimensional Navier–Stokes ...
Effects of Surface Roughness on Sliding Friction in Lubricated-Point Contacts: Experimental and Numerical Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of the present work is to investigate experimentally and numerically the influences of surface roughness, produced by typical machining processes, on friction performances in ...
Tip Loss Correction for Actuator/Navier–Stokes Computations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new tip loss correction, initially developed for 1D Blade Element/Momentum (BEM) computations (submitted to Wind Energy), is now extended to 2D Actuator Disc/Navier–Stokes (AD/NS) computations ...
Improved Accuracy of Area Objects in a Geographic Information System Based on Helmert’s Variance Component Estimation Method
Publisher: American Society of Civil Engineers
Abstract: Helmert’s variance component estimation method based on a least-squares adjustment of condition equations is presented, in which the registered area and the coordinates of a cadastral parcel are assumed to be different and ...
Fatigue Life Evaluation of Welded Joints in OSD for Railway Bridges Considering Welding Residual Stress
Publisher: American Society of Civil Engineers
Abstract: An orthotropic steel deck (OSD) has a complicated structure, and its fatigue life is mainly determined by various welding details. Fatigue assessment of deck-to-rib welded joints under long-term train loads is an important ...
Modeling of Aerodynamically Generated Noise From Wind Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semiempirical acoustic generation model based on the work of Brooks, Pope, and Marcolini [NASA Reference Publication 1218 (1989)] has been developed to predict aerodynamic noise from wind ...
Partial Slip Contact Analysis on Three-Dimensional Elastic Layered Half Space
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An elastic contact model for three-dimensional layered or coated materials under coupled normal and tangential loads, with consideration of partial slip effects, has been developed in this paper. ...
Fretting Contact Analysis on Three-Dimensional Elastic Layered Half Space
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical approach for solving the fretting contact on coated or layered materials, with consideration of loading history, is presented in the paper. The fretting problem was solved by using ...