NDLI: Granular gases in mechanical engineering: on the origin of heterogeneous ultrasonic shot peening : Granular gases in mechanical engineering

Content Provider	Springer Nature Link
Author	Micoulaut, M. Mechkov, S. Retraint, D. Viot, P. François, M.
Copyright Year	2006
Abstract	The behavior of an ultrasonic shot peening process is observed and analyzed by using a model of inelastic hard spheres in a gravitational field that are fluidized by a vibrating bottom wall (sonotrode) in a cylindrical chamber. A marked heterogeneous distribution of impacts appears when the collision between the shot and the side wall becomes inelastic with constant dissipation. This effect is one order of magnitude larger than the simple heterogeneity arising from boundary collision on the cylinder. Variable restitution coefficients bring the simulation closer to the general observation and allow the investigation of peening regimes with changing shot density. We compute within this model other physical quantities (impact velocities, impact angle, temperature and density profile) that are influenced by the number N of spheres.
Starting Page	25
Ending Page	33
Page Count	9
File Format	PDF
ISSN	14345021
Journal	Granular Matter
Volume Number	9
Issue Number	1-2
e-ISSN	14347636
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-08-16
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mechanical engineering granular gases simulation of hard spheres Engineering Thermodynamics, Transport Phenomena Industrial Chemistry/Chemical Engineering Structural Foundations, Hydraulic Engineering Engineering Fluid Dynamics Granular Media
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanics of Materials Materials Science

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