Marianna Yiannourakou presenting at EUROMAT 2019!

May 15, 2019

Come join Materials Design in attending EUROMAT 2019, from Sept. 1-5 ( Acclaimed Materials Design scientist Marianna Yiannourakou will be giving a presentation! Here are the details:


Title: A Multi-scale Computational Framework for Property Prediction of Fluids

Presenting author: Marianna Yiannourakou

ID: 17803

Symposia: D8. Multiscale and Multiphysics Modelling of Materials, Processes and Devices

Presentation type: Oral presentation


Here is the abstract:


A multi-scale computational model has been developed for application to the micro- and macro-scale thermo-fluid-dynamics in high speed gear systems. At the micro-space/time-scale, a model of gear mesh lubrication film transport and heating is presented based on elastohydrodynamic lubrication (EHL) tribology and mesh kinematics. At the macro-space/time-scale, computational fluid dynamics (CFD) tools are used to resolve the time-dependent conduction and convection (windage) processes within the gears and gearbox. Scale-spanning averaging procedures were developed for coupling the instantaneous meshing and macro scale physics. The overall method is presented and applied to an equilibrium mist-lubricated gearbox configuration tested at the NASA Glenn Research Center. © 2013 by the American Helicopter Society International, Inc. All rights reserved.


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