Mechanics of Thin, Flexible, Translating Media and Their Interactions with Surrounding Air
نویسنده
چکیده
Thin, flexible, continuous structures known as webs are used in a wide range of industrial applications. These structures interact with the surrounding air in beneficial or detrimental ways, depending on the application and the process parameters. A review of the literature related to modeling and experimental work on (mostly) the steady state fluid-structure interactions is given. Equilibrium equations of web mechanics, and the inertia dominated and viscosity dominated air flows are presented. Simulation examples from four different industrial applications; web/air-bar interactions; roller/web interactions for permeable and impermeable webs; and the flat-top recording-head/magnetic-tape interactions, are presented.
منابع مشابه
A finite elements study on the role of primary cilia in sensing mechanical stimuli to cells by calculating their response to the fluid flow
The primary cilium which is an organelle in nearly every cell in the vertebrate body extends out of the cell surface like an antenna and is known as cell sensor of mechanical and chemical stimuli. In previous numerical simulations, researchers modeled this organelle as a cantilevered beam attached to the cell surface. In the present study, however, we present a novel model that accommodates for...
متن کاملAxially Symmetric Vibrations of a Liquid-Filled Poroelastic Thin Cylinder Saturated with Two Immiscible Liquids Surrounded by a Liquid
This paper studies axially symmetric vibrations of a liquid-filled poroelastic thin cylinder saturated with two immiscible liquids of infinite extent that is surrounded by an inviscid elastic liquid. By considering the stress free boundaries, the frequency equation is obtained. Particular case, namely, liquid-filled poroelastic cylinder saturated with single liquid is discussed. When the waven...
متن کاملMapping mechanical properties of organic thin films by force-modulation microscopy in aqueous media
The mechanical properties of organic and biomolecular thin films on surfaces play an important role in a broad range of applications. Although force-modulation microscopy (FMM) is used to map the apparent elastic properties of such films with high lateral resolution in air, it has rarely been applied in aqueous media. In this letter we describe the use of FMM to map the apparent elastic propert...
متن کاملAn ultra-thin PDMS membrane as a bio/micro-nano interface: fabrication and characterization.
We report a method for making ultra-thin PDMS membrane devices. Freely suspended membranes as thin as 70 nm have been fabricated. Bulging tests were performed with a custom built fluidic cell to characterize large circular membranes. The fluidic cell allows the media (such as air or water) to wet one side of the membrane while maintaining the other side dry. Pressure was applied to the membrane...
متن کاملThe Role of the Creative Industries: Translating Identities on Stages and Visuals
Drawing on research on narrative theory (Baker, 2006, 2014) in translation and interpretation studies, on the interdisciplinary relationship between translation studies and the visual and performing arts, and on the principal diversities between media discourse representations and aesthetic constructions on the topic of the migration crisis, this study addresses the issue of transferring cultur...
متن کامل