How size ratio and segregation affect the packing of binary granular mixtures

Autor: Nicolas Vandewalle, Geoffroy Lumay, Eric Opsomer, Salvatore Pillitteri

Publikováno v: Soft Matter. 16:9094-9100

For reaching high packing fractions, grains of various sizes are often mixed together allowing the small grains to fill the voids created by the large ones. However, in most cases, granular segregation occurs leading to lower packing fractions. We pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64e7d2ddb5dbddb13cb5cdef5518bd38
https://doi.org/10.1039/d0sm00939c

Particle Dynamics at the Onset of the Granular Gas-Liquid Transition

Autor: Sébastien Mawet, Carole Lecoutre-Chabot, David Fischer, Nicolas Vandewalle, Fabien Palencia, Yves Garrabos, Salvatore Pillitteri, Eric Opsomer, Annette Cazaubiel, Martial Noirhomme, Eric Falcon

Publikováno v: Physical Review Letters
Physical Review Letters, American Physical Society, 2021, 126 (12), pp.128002. ⟨10.1103/PhysRevLett.126.128002⟩
Physical Review Letters, 2021, 126 (12), pp.128002. ⟨10.1103/PhysRevLett.126.128002⟩

International audience; We study experimentally the dynamical behavior of few large tracer particles placed in a quasi-2D granular “gas” made of many small beads in a low-gravity environment. Multiple inelastic collisions transfer momentum from t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14be0449ead44219567673353313a439
https://hal.archives-ouvertes.fr/hal-03184723/file/2021-053.pdf

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

From jamming to fast compaction dynamics in granular binary mixtures

Autor: Salvatore Pillitteri, Geoffroy Lumay, Eric Opsomer, Nicolas Vandewalle

Publikováno v: Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-7 (2019)

Binary granular mixtures are known to show various packing arrangements depending on both fractions and size ratios of their components. While the final packing fraction can be estimated by geometrical arguments, the dynamics of the pile submitted to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::9e023fbe9a302ca5a6658e46f22d9c60
https://pubmed.ncbi.nlm.nih.gov/31086235

Influence of mesoporous silica on powder flow and electrostatic properties on short and long term

Autor: Q. Ribeyre, Salvatore Pillitteri, Geoffroy Lumay, Filip Francqui, Michaël Marck, Nicolas Vandewalle, T. Pauly, F. Monsuur

Publikováno v: Journal of Drug Delivery Science and Technology. 53:101192

We study the effect of three types of mesoporous silica (MPS) particles on the flow of three common excipients: microcrystalline cellulose, lactose and maize starch. While MPS are commonly considered as excipient and also as drug delivery carrier, th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b202002f566d1880c486d4671266579
https://doi.org/10.1016/j.jddst.2019.101192