Home > Publications database > Probing nonlinear velocity profiles of shear-thinning, nematic platelet dispersions in Couette flow using x-ray photon correlation spectroscopy > print

001     893818
005     20210810182037.0
024 7 _ |a 10.1063/5.0050942
|2 doi
024 7 _ |a 1070-6631
|2 ISSN
024 7 _ |a 1089-7666
|2 ISSN
024 7 _ |a 1527-2435
|2 ISSN
024 7 _ |a 2128/28128
|2 Handle
024 7 _ |a WOS:000677512200001
|2 WOS
037 _ _ |a FZJ-2021-02857
082 _ _ |a 530
100 1 _ |a Chen, Y.
|0 P:(DE-HGF)0
|b 0
245 _ _ |a Probing nonlinear velocity profiles of shear-thinning, nematic platelet dispersions in Couette flow using x-ray photon correlation spectroscopy
260 _ _ |a [S.l.]
|c 2021
|b American Institute of Physics
336 7 _ |a article
|2 DRIVER
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
|b journal
|m journal
|0 PUB:(DE-HGF)16
|s 1626080287_21252
|2 PUB:(DE-HGF)
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a Journal Article
|0 0
|2 EndNote
520 _ _ |a We report experiments employing x-ray photon correlation spectroscopy (XPCS) to characterize the velocity profiles of complex fluids in Couette flow. The approach involves modeling the XPCS correlation functions obtained with the incident x-ray beam passing tangentially through the Couette cell gap at various distances from the inner wall. We first demonstrate the technique with measurements on a dilute colloidal dispersion in the Newtonian liquid glycerol, where the expected linear velocity profiles are recovered. We then employ the technique to map the shear-rate-dependent velocity profiles of a shear-thinning dispersion of nematically ordered Gibbsite platelets. The nonlinear velocity profiles of the Gibbsite dispersion include a narrow slip region adjacent to the outer wall and a band with small velocity gradient in the interior of the gap that evolves into a region increasingly resembling plug flow with increasing shear rate. Variations in the velocity profile along the vorticity direction indicate an instability in the interface between this region of small velocity gradient and a region of high velocity gradient near the inner wall. Analysis of the small-angle scattering patterns provides information about the spatial and temporal variations in the nematic order of the Gibbsite dispersion and their coupling to the velocity profile. Additional potential applications of this XPCS-based technique and comparisons with established methods for characterizing velocity profiles are discussed.
536 _ _ |a 5243 - Information Processing in Distributed Systems (POF4-524)
|0 G:(DE-HGF)POF4-5243
|c POF4-524
|f POF IV
|x 0
588 _ _ |a Dataset connected to CrossRef, Journals: juser.fz-juelich.de
700 1 _ |a Korculanin, Olivera
|0 P:(DE-Juel1)188512
|b 1
700 1 _ |a Narayanan, S.
|0 0000-0002-2888-5379
|b 2
700 1 _ |a Buitenhuis, J.
|0 P:(DE-Juel1)130577
|b 3
700 1 _ |a Rogers, S. A.
|0 0000-0002-3432-5044
|b 4
700 1 _ |a Leheny, R. L.
|0 0000-0002-8924-1622
|b 5
700 1 _ |a Lettinga, M. P.
|0 P:(DE-Juel1)130797
|b 6
|e Corresponding author
773 _ _ |a 10.1063/5.0050942
|g Vol. 33, no. 6, p. 063102 -
|0 PERI:(DE-600)1472743-2
|n 6
|p 063102 -
|t Physics of fluids
|v 33
|y 2021
|x 1089-7666
856 4 _ |u https://juser.fz-juelich.de/record/893818/files/5.0050942.pdf
|y Published on 2021-06-03. Available in OpenAccess from 2022-06-03.
909 C O |o oai:juser.fz-juelich.de:893818
|p openaire
|p open_access
|p VDB
|p driver
|p dnbdelivery
910 1 _ |a Forschungszentrum Jülich
|0 I:(DE-588b)5008462-8
|k FZJ
|b 1
|6 P:(DE-Juel1)188512
910 1 _ |a External Institute
|0 I:(DE-HGF)0
|k Extern
|b 2
|6 0000-0002-2888-5379
910 1 _ |a Forschungszentrum Jülich
|0 I:(DE-588b)5008462-8
|k FZJ
|b 3
|6 P:(DE-Juel1)130577
910 1 _ |a External Institute
|0 I:(DE-HGF)0
|k Extern
|b 4
|6 0000-0002-3432-5044
910 1 _ |a External Institute
|0 I:(DE-HGF)0
|k Extern
|b 5
|6 0000-0002-8924-1622
910 1 _ |a Forschungszentrum Jülich
|0 I:(DE-588b)5008462-8
|k FZJ
|b 6
|6 P:(DE-Juel1)130797
913 1 _ |a DE-HGF
|b Key Technologies
|l Natural, Artificial and Cognitive Information Processing
|1 G:(DE-HGF)POF4-520
|0 G:(DE-HGF)POF4-524
|3 G:(DE-HGF)POF4
|2 G:(DE-HGF)POF4-500
|4 G:(DE-HGF)POF
|v Molecular and Cellular Information Processing
|9 G:(DE-HGF)POF4-5243
|x 0
914 1 _ |y 2021
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0200
|2 StatID
|b SCOPUS
|d 2021-01-30
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0160
|2 StatID
|b Essential Science Indicators
|d 2021-01-30
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0600
|2 StatID
|b Ebsco Academic Search
|d 2021-01-30
915 _ _ |a Embargoed OpenAccess
|0 StatID:(DE-HGF)0530
|2 StatID
915 _ _ |a JCR
|0 StatID:(DE-HGF)0100
|2 StatID
|b PHYS FLUIDS : 2019
|d 2021-01-30
915 _ _ |a WoS
|0 StatID:(DE-HGF)0113
|2 StatID
|b Science Citation Index Expanded
|d 2021-01-30
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0150
|2 StatID
|b Web of Science Core Collection
|d 2021-01-30
915 _ _ |a IF < 5
|0 StatID:(DE-HGF)9900
|2 StatID
|d 2021-01-30
915 _ _ |a Peer Review
|0 StatID:(DE-HGF)0030
|2 StatID
|b ASC
|d 2021-01-30
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)1150
|2 StatID
|b Current Contents - Physical, Chemical and Earth Sciences
|d 2021-01-30
915 _ _ |a National-Konsortium
|0 StatID:(DE-HGF)0430
|2 StatID
|d 2021-01-30
|w ger
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0300
|2 StatID
|b Medline
|d 2021-01-30
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0320
|2 StatID
|b PubMed Central
|d 2021-01-30
915 _ _ |a Nationallizenz
|0 StatID:(DE-HGF)0420
|2 StatID
|d 2021-01-30
|w ger
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0199
|2 StatID
|b Clarivate Analytics Master Journal List
|d 2021-01-30
920 _ _ |l yes
920 1 _ |0 I:(DE-Juel1)IBI-4-20200312
|k IBI-4
|l Biomakromolekulare Systeme und Prozesse
|x 0
980 _ _ |a journal
980 _ _ |a VDB
980 _ _ |a UNRESTRICTED
980 _ _ |a I:(DE-Juel1)IBI-4-20200312
980 1 _ |a FullTexts

LibraryCollectionCLSMajorCLSMinorLanguageAuthor
Marc 21