Angle of repose; Granular flow; Digital image processing; Granular characterization; Funnel method
Résumé :
[en] The angle of repose is a quantity that delivers direct information about the flowability of granular material. It is therefore desirable to have a reliable experimental method for its determination. Based on the well-established funnel method with continuous mass flow, an extension is introduced which allows increasing the precision and reproducibility of the angle of repose measurements. A modified experimental setup is presented which exploits asymmetries in the alignment of the mechanical setup to gain more precision in the determination of the angle of
repose. This experimental setup is combined with an evaluation method based on automated image analysis. The first results for a set of metal powders are presented.
Disciplines :
Physique, chimie, mathématiques & sciences de la terre: Multidisciplinaire, généralités & autres
Auteur, co-auteur :
JUST, Marvin ; University of Luxembourg ; University of Luxembourg > Faculty of Science, Technology and Medecine (FSTM) ; CERATIZIT Luxembourg S.à r.l.
MEDINA PESCHIUTTA, Alexander ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) ; CERATIZIT Luxembourg S.à r.l.
Hippe, Frankie; CERATIZIT Luxembourg S.a r.l.
Useldinger, Ralf; CERATIZIT Luxembourg S.a r.l.
BALLER, Jörg ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Determination of the angle of repose of hard metal granules
Date de publication/diffusion :
juillet 2022
Titre du périodique :
Powder Technology
ISSN :
0032-5910
eISSN :
1873-328X
Maison d'édition :
Elsevier, Lausanne, Pays-Bas
Volume/Tome :
407
Pagination :
117695
Peer reviewed :
Peer reviewed vérifié par ORBi
Focus Area :
Physics and Materials Science
Projet FnR :
FNR13320318 - Metal Powder Flow, 2018 (15/04/2019-14/04/2023) - Marvin Just FNR14187658 - Rheology Of Hard Metal Pastes., 2019 (01/02/2020-31/01/2024) - Alexander Medina Peschiutta
Intitulé du projet de recherche :
MEPFLOW, RHAMEP
Organisme subsidiant :
FNR - Luxembourg National Research Fund CERATIZIT Luxembourg S.à r.l.
Subventionnement (détails) :
This work was funded in whole, or in part, by the Luxembourg National Research Fund and by CERATIZIT Luxembourg S.à r.l. with two Industrial Fellowships grants. Grant acronyms and references are MEPFLOW [13320318] and RHAMEP [14187658].
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