Angle of repose; Granular flow; Digital image processing; Granular characterization; Funnel method
Abstract :
[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 :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
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)
External co-authors :
yes
Language :
English
Title :
Determination of the angle of repose of hard metal granules
Publication date :
July 2022
Journal title :
Powder Technology
ISSN :
0032-5910
eISSN :
1873-328X
Publisher :
Elsevier, Lausanne, Netherlands
Volume :
407
Pages :
117695
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
FnR Project :
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
Name of the research project :
MEPFLOW, RHAMEP
Funders :
FNR - Luxembourg National Research Fund CERATIZIT Luxembourg S.à r.l.
Funding text :
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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