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RISLaminar Filmwise Condensation on Horizontal Disk Embedded in Porous Medium With Suction at Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study performs a theoretical investigation into the problem of two-dimensional steady filmwise condensation flow on a horizontal disk embedded in a porous medium layer with suction at the ...
Large-Eddy Simulations and Damped-Oscillator Models of the Unsteady Ekman Boundary Layer
Publisher: American Meteorological Society
Abstract: he Ekman boundary layer (EBL) is a central problem in geophysical fluid dynamics that emerges when the pressure gradient force, the Coriolis force, and the frictional force interact in a flow. The unsteady version of the ...
A Comparison of Homogenization and Averaging Techniques for the Treatment of Roughness in Slip-Flow-Modified Reynolds Equation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article is concerned with the simulation of a magnetic storage device consisting of a flying head above a rigid rotating disk. The need to improve the transfer rate has led, at present, ...
High Speed Subsonic Compressible Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study extends the scope of compressible lubrication theory (CLT) by considering a more complete formulation of compressible flow in a thin film. A onedimensional (1D) approximation is obtained, which is common ...
Inertia and Shear-Thinning Effects on Bearing Behavior With Impulsive Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The study of bearings subjected to impulsive loads have previously showed that inertia effects and surface accelerations play an important role in the bearing response. Although the lubricant ...
A Study of Roughness and Non-Newtonian Effects in Lubricated Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: was further mathematically developed by Buscaglia and Jai (Math. Probl. Eng., 7 (4), pp. 355–377, 2001) and applied to tribological problems by Jai and Bou-Saı̈d (ASME J. Tribol., 124 , pp. 327–355, 2002). In this paper, we...
Synergistic Interactions between Urban Heat Islands and Heat Waves: The Impact in Cities Is Larger than the Sum of Its Parts
Publisher: American Meteorological Society
Abstract: ities are well known to be hotter than the rural areas that surround them; this phenomenon is called the urban heat island. Heat waves are excessively hot periods during which the air temperatures of both urban and rural ...
Comparison of Homogenization and Direct Techniques for the Treatment of Roughness in Incompressible Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Homogenization is a formal mathematical two-scale averaging process that can be applied to roughness problems and can replace previous heuristic averaging procedures, which have sometimes led to ...
The Phan-Thien and Tanner Model Applied to Thin Film Spherical Coordinates: Applications for Lubrication of Hip Joint Replacement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Phan-Thien and Tanner (PTT) model is one of the most widely used rheological models. It can properly describe the common characteristics of viscoelastic non-Newtonian fluids. There is evidence ...
Turbulence and Vertical Fluxes in the Stable Atmospheric Boundary Layer. Part I: A Large-Eddy Simulation Study
Publisher: American Meteorological Society
Abstract: his study seeks to quantitatively and qualitatively understand how stability affects transport in the continuously turbulent stably stratified atmospheric boundary layer, based on a suite of large-eddy simulations. The ...