DEM simulation of dense granular flows in a vane shear cell: Kinematics and rheological laws

Autor: Bernhard Peters, Sébastien Kiesgen de Richter, Fenglei Qi, Mathieu Jenny

Publikováno v: Powder Technology
Powder Technology, Elsevier, 2020, 366, pp.722-735. ⟨10.1016/j.powtec.2020.03.008⟩

The rheology of dense granular flows is investigated through discrete element method (DEM) simulation of a vane shear cell. From the simulation, profiles of shear stress, shear rate, and velocity are obtained, which demonstrates that the flow feature

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9278e650c43c563a815748a0b11e5fd0
https://doi.org/10.1016/j.powtec.2020.03.008

Hydrophobic and raw glass beads flow behavior under different processing conditions

Autor: Michaël Marck, Mathieu Jenny, Sébastien Kiesgen de Richter, Nicolas Vandewalle, Geoffroy Lumay, Shirin Enferad, Claire Gaiani, Syrym Umbetov, Salvatore Pillitteri

Publikováno v: EPJ Web of Conferences, Vol 249, p 03008 (2021)
EPJ Web of Conferences
Powders and Grains
Powders and Grains, Jul 2021, Virtual, France. pp.03008, ⟨10.1051/epjconf/202124903008⟩

International audience; Controlling the powder flow by the surface properties of the particles as well as understanding their flowability under different processing dynamics are amongst the major challenges of the powder industry. Indeed, handling la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a1799ca5a4f758f97e492612b240dc1
https://www.epj-conferences.org/articles/epjconf/pdf/2021/03/epjconf_pg2021_03008.pdf

Effect of particle size and formulation on powder rheology

Autor: Jennifer Burgain, Sébastien Kiesgen de Richter, Jeremy Petit, Mathieu Jenny, Claire Gaiani, Shirin Enferad, Véronique Falk

Publikováno v: Particulate Science and Technology
Particulate Science and Technology, Taylor & Francis, 2020, pp.1-9. ⟨10.1080/02726351.2020.1738605⟩

Links between flow properties and formulation of powders of 100 and 500 µm mean particle sizes were investigated. To determine the influence of surface treatment, the flow properties of glass beads were analyzed after various surface treatments lead

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4781414bb316b2fc76551a3d3c0d768f
https://hal.archives-ouvertes.fr/hal-02866460

Dynamic Behavior of Dilute Bentonite Suspensions under Different Chemical Conditions Studied via Magnetic Resonance Imaging Velocimetry

Autor: Sébastien Kiesgen de Richter, Mathieu Jenny, Maude Ferrari, Olga Chernoburova, Akira Otsuki

Publikováno v: Colloids and Interfaces, Vol 2, Iss 4, p 41 (2018)
Colloids and Interfaces
Volume 2
Issue 4
Colloids and Interfaces, MDPI, 2018, 2 (4), pp.41. ⟨10.3390/colloids2040041⟩

This study investigates dilute aqueous suspensions of bentonite particles using magnetic resonance imaging (MRI) velocimetry. Four different chemical conditions are tested to investigate the influence of pH and type of monovalent electrolyte on the l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::228e0ef1e9527d0fc90d237a2b404558
http://www.mdpi.com/2504-5377/2/4/41

Numerical study of subcritical Rayleigh–Bénard convection rolls in strongly shear-thinning Carreau fluids

Autor: Emmanuel Plaut, Antoine Briard, Mathieu Jenny

Publikováno v: Journal of Non-Newtonian Fluid Mechanics
Journal of Non-Newtonian Fluid Mechanics, 2015, 219, pp.19-34. ⟨10.1016/j.jnnfm.2015.03.002⟩
Journal of Non-Newtonian Fluid Mechanics, Elsevier, 2015, 219, pp.19-34. ⟨10.1016/j.jnnfm.2015.03.002⟩

International audience; Abstract The Rayleigh–Bénard thermoconvection of Newtonian fluids has been extensively studied. The transition from the conductive, static state to thermoconvection flows corresponds in this case to a supercritical bifurcat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5804aa3f9b09bad9ed68590cccc57da
https://doi.org/10.1016/j.jnnfm.2015.03.002