Zobrazeno 1 - 10
of 137
pro vyhledávání: '"J, Gillissen"'
Autor:
Frédéric Blanc, François Peters, Jurriaan J. J. Gillissen, Michael E. Cates, Sandra Bosio, Camille Benarroche, Romain Mari
Publikováno v:
Physical Review Letters. 130
Dense non-Brownian suspensions exhibit a spectacular and abrupt drop in viscosity under change of shear direction, as revealed by shear inversions (reversals) or orthogonal superposition. Here, we introduce an experimental setup to systematically exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49cc3b7864710a1b9d7ba8d487e9461d
https://doi.org/10.1103/physrevlett.130.118202
https://doi.org/10.1103/physrevlett.130.118202
Publikováno v:
Journal of Inverse and Ill-posed Problems.
In this paper, we analyze the stability of the system of partial differential equations modelling scalar image velocimetry. We first revisit a successful numerical technique to reconstruct velocity vectors u {{u}} from images of a passive scalar fiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac18d868a1b15e264d4513057f046a43
https://doi.org/10.1515/jiip-2020-0107
https://doi.org/10.1515/jiip-2020-0107
Autor:
Michael E. Cates, Helen J. Wilson, Joseph D. Peterson, Jurriaan J. J. Gillissen, Christopher Ness
Publikováno v:
Journal of Rheology
We recently developed a tensorial constitutive model for dense, shear-thickening particle suspensions that combines rate-independent microstructural evolution with a stress-dependent jamming threshold. This gives a good qualitative account for revers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f76f223a96716f927ab9b89ef9922a8
https://doi.org/10.1122/1.5129657
https://doi.org/10.1122/1.5129657
Publikováno v:
Journal of Fluid Mechanics. 877:196-213
We present a variational data assimilation method in order to improve the accuracy of velocity fields $\tilde{\boldsymbol{v}}$, that are measured using particle image velocimetry (PIV). The method minimises the space–time integral of the difference
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56416cdd511fcc12fe2722e56b08949e
https://doi.org/10.1017/jfm.2019.602
https://doi.org/10.1017/jfm.2019.602
Publikováno v:
Physical Review Fluids. 6
The mixture, or suspension balance, model is the most frequently used to describe shear-induced particle migration in Newtonian fluids. The model suggests that neutrally buoyant particles migrate only if the effective stress tensor of the solid phase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cabe751ce1192b089394ab35e5d37f96
https://doi.org/10.1103/physrevfluids.6.014301
https://doi.org/10.1103/physrevfluids.6.014301
Publikováno v:
Physics of Fluids
Preferential orientations of inertialess nonspherical particles are examined through three qualitatively different stages of a time-evolving Taylor–Green vortex flow. Despite an unexpected decorrelation between the vorticity vector and the directio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10c055f10ecc84714f60e90dff848bb1
https://hdl.handle.net/11250/2758986
https://hdl.handle.net/11250/2758986
Autor:
Jurriaan J. J. Gillissen
Publikováno v:
Physical review. E. 103(6-1)
Newtonian turbulence is characterized by interscale transport of energy from the forcing scales to the dissipation scales. In elastoinertial turbulence, this interscale energy flux is weakened. Here, we explain this phenomenon by numerically showing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8caddc882abcfdda0af133cbcd85fe6
https://pubmed.ncbi.nlm.nih.gov/34271675
https://pubmed.ncbi.nlm.nih.gov/34271675
Publikováno v:
Physical Review Fluids
Physical Review Fluids, American Physical Society, 2020, 5 (11), ⟨10.1103/PhysRevFluids.5.113303⟩
Physical Review Fluids, American Physical Society, 2020, 5 (11), ⟨10.1103/PhysRevFluids.5.113303⟩
Experimental evidence is reported of a new merge-split transition (MST) to elastoinertial turbulence (EIT) in Taylor-Couette flows of viscoelastic polymer solutions, caused by merging and splitting of base Taylor vortices when crossed by elastic axia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2a7ff2b172bf2b5fb609fdfcc867940
https://doi.org/10.1103/physrevfluids.5.113303
https://doi.org/10.1103/physrevfluids.5.113303
Publikováno v:
Materials, Vol 13, Iss 4628, p 4628 (2020)
Materials
Volume 13
Issue 20
Materials
Volume 13
Issue 20
Industrial formulations very often involve particles with a broad range of surface characteristics and size distributions. Particle surface asperities (roughness) and porosity increase particle specific surface area and significantly alter suspension
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34bf6dd2c39e3127b139b4f405cffb49
https://www.mdpi.com/1996-1944/13/20/4628
https://www.mdpi.com/1996-1944/13/20/4628
Publikováno v:
Gillissen, J J J & Ness, C 2020, ' Modeling the Microstructure and Stress in Dense Suspensions under Inhomogeneous Flow ', Physical Review Letters, vol. 125, no. 18, 184503 . https://doi.org/10.1103/PhysRevLett.125.184503
Under inhomogeneous flow, dense suspensions exhibit complex behaviour that violates the conventional homogenous rheology. Specifically, one finds flowing regions with a macroscopic friction coefficient below the yielding criterion, and volume fractio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd42cf4d5e83641d64163ef7f586f938
http://arxiv.org/abs/2009.14548
http://arxiv.org/abs/2009.14548