Institutions of the University of Bayreuth
Chair Technical Mechanics and Fluid Mechanics

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Number of items at this level: 111.

2023

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Mohamed, Hammam ; Sesterhenn, Jörn ; Biancofiore, Luca:
The effect of side walls on the stability of falling films.
In: Journal of Fluid Mechanics. Vol. 964 (2023) . - A40.
DOI: https://doi.org/10.15495/EPub_UBT_00007649

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Buhr, Alexander:
Zur Beeinflussung der instationären Strömungsstrukturen im Nachlauf von bewegten Zugmodellen.
Bayreuth , 2023 . - xxiv, 290 p.
( Doctoral thesis, 2022 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00006853

2020

Spurk, Joseph H. ; Aksel, Nuri:
Fluid Mechanics. 3. Auflage.
Cham : Springer International Publishing , 2020 . - XIV, 589 p.
DOI: https://doi.org/10.1007/978-3-030-30259-7

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Kögel, Armin:
On the stability of the gravity-driven viscous channel flow.
Bayreuth , 2020 . - 101 p.
( Doctoral thesis, 2020 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00004998

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Kögel, Armin ; Aksel, Nuri:
Stability of the channel flow : new phenomena in an old problem.
In: Acta Mechanica. Vol. 231 (2020) . - pp. 1063-1082.
DOI: https://doi.org/10.1007/s00707-019-02568-8

2019

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Dauth, Markus:
The evolutionary steps from nonlinear to turbulent waves on gravity-driven films over topography.
Bayreuth , 2019 . - 102 p.
( Doctoral thesis, 2019 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)
DOI: https://doi.org/10.15495/EPub_UBT_00004468

2018

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Schörner, Mario:
The stability of gravity-driven viscous films over topography.
Bayreuth , 2018 . - 124 p.
( Doctoral thesis, 2018 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)

Dauth, Markus ; Aksel, Nuri:
Breaking of waves on thin films over topographies.
In: Physics of Fluids. Vol. 30 (2018) Issue 8 . - 082113.
DOI: https://doi.org/10.1063/1.5038150

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Kögel, Armin ; Aksel, Nuri:
Massive stabilization of gravity-driven film flows with corrugated side walls.
In: Physics of Fluids. Vol. 30 (2018) Issue 11 . - 114105.
DOI: https://doi.org/10.1063/1.5055931

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Raps, Daniel ; Goodarzi Hosseinabadi, Hossein ; Heymann, Lutz ; Köppl, Thomas ; Altstädt, Volker:
Rheological Properties of Thermoplastic Polymers with Dissolved Gases for Foaming Applications.
arXiv , 2018 . - 21 p.

Mohamed, Fathia ; Flämig, Max ; Hofmann, Marius ; Heymann, Lutz ; Willner, L. ; Fatkullin, Nail ; Aksel, Nuri ; Rößler, Ernst:
Scaling analysis of the viscoelastic response of linear polymers.
In: The Journal of Chemical Physics. Vol. 149 (2018) Issue 4 . - 044902.
DOI: https://doi.org/10.1063/1.5038643

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Schörner, Mario ; Aksel, Nuri:
The stability cycle : A universal pathway for the stability of films over topography.
In: Physics of Fluids. Vol. 30 (2018) Issue 1 . - 012105.
DOI: https://doi.org/10.1063/1.5003449

Schörner, Mario ; Reck, Daniel ; Aksel, Nuri ; Trifonov, Yuri:
Switching between different types of stability isles in films over topographies.
In: Acta Mechanica. Vol. 229 (2018) . - pp. 423-436.
DOI: https://doi.org/10.1007/s00707-017-1979-0

2017

Jugenheimer, Andreas:
Instabilitäten wässriger Polyacrylamid- und Polyethylenoxid-Lösungen im Spalt eines Taylor-Couette-Systems.
Bayreuth , 2017 . - 71 S.
(Diploma, 2017 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften, Lehrstuhl Technische Mechanik und Strömungsmechanik)

Raps, Daniel ; Köppl, Thomas ; Heymann, Lutz ; Altstädt, Volker:
Rheological behaviour of a high-melt-strength polypropylene at elevated pressure and gas loading for foaming purposes.
In: Rheologica Acta. Vol. 56 (2017) . - pp. 95-111.
DOI: https://doi.org/10.1007/s00397-016-0988-6

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Dauth, Markus ; Schörner, Mario ; Aksel, Nuri:
What makes the free surface waves over topographies convex or concave? : A study with Fourier analysis and particle tracking.
In: Physics of Fluids. Vol. 29 (2017) Issue 9 . - 092108.
DOI: https://doi.org/10.1063/1.5003574

2016

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Heining, Christian ; Sellier, Mathieu:
Direct Reconstruction of Three-dimensional Glacier Bedrock and Surface Elevation from Free Surface Velocity.
In: AIMS Geosciences. Vol. 2 (2016) Issue 1 . - pp. 45-63.
DOI: https://doi.org/10.3934/geosciences.2016.1.45

Hofmann, Marius ; Kresse, Benjamin ; Heymann, Lutz ; Privalov, Alexei F. ; Willner, L. ; Fatkullin, Nail ; Aksel, Nuri ; Fujara, F. ; Rößler, Ernst:
Dynamics of a Paradigmatic Linear Polymer : A Proton Field-Cycling NMR Relaxometry Study on Poly(etylene-propylene).
In: Macromolecules. Vol. 49 (2016) Issue 22 . - pp. 8622-8632.
DOI: https://doi.org/10.1021/acs.macromol.6b01906

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Reck, Daniel:
Experiments on the dynamics of waves on gravity-driven viscous film flows.
Bayreuth , 2016 . - 112 p.
( Doctoral thesis, 2016 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)

Hofmann, Marius ; Kresse, Benjamin ; Privalov, Alexei F. ; Heymann, Lutz ; Willner, L. ; Aksel, Nuri ; Fatkullin, Nail ; Fujara, F. ; Rößler, Ernst:
Segmental Mean Square Displacement : Field-Cycling ¹H Relaxometry vs Neutron Scattering.
In: Macromolecules. Vol. 49 (2016) Issue 20 . - pp. 7945-7951.
DOI: https://doi.org/10.1021/acs.macromol.6b01860

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Schörner, Mario ; Reck, Daniel ; Aksel, Nuri:
Stability phenomena far beyond the Nusselt flow : Revealed by experimental asymptotics.
In: Physics of Fluids. Vol. 28 (2016) Issue 2 . - 022102.
DOI: https://doi.org/10.1063/1.4941000

2015

Schörner, Mario ; Reck, Daniel ; Aksel, Nuri:
Does the topography’s specific shape matter in general for the stability of film flows?
In: Physics of Fluids. Vol. 27 (2015) Issue 4 . - 042103.
DOI: https://doi.org/10.1063/1.4917026

Reck, Daniel ; Aksel, Nuri:
Recirculation areas underneath solitary waves on gravity-driven film flows.
In: Physics of Fluids. Vol. 27 (2015) Issue 11 . - 112107.
DOI: https://doi.org/10.1063/1.4935428

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Heymann, Lutz ; Fernandez, Pablo ; Pullarkat, Pramod A. ; Ott, Albrecht ; Aksel, Nuri:
Rheologie von Monolagen biologischer Zellen - ein Anwendungsbeispiel für die 3D-Rheologie in engen Spalten.
In: Lerche, Dietmar ; Miller, Reinhard ; Schäffler, Michael (ed.): Dispersionseigenschaften: 2D-Rheologie, 3D-Rheologie, Stabilität. - Berlin-Potsdam : Eigenverlag, 2015 . - pp. 277-290

2014

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Hess, Andreas:
Rheology of polyelectrolyte multilayer modified suspension.
Bayreuth , 2014 . - 84 p.
( Doctoral thesis, 2013 , Universität Bayreuth, Bayreuther Graduiertenschule für Mathematik und Naturwissenschaften - BayNAT)

2013

Pollak, Thilo ; Aksel, Nuri:
Crucial flow stabilization and multiple instability branches of gravity-driven films over topography.
In: Physics of Fluids. Vol. 25 (2013) Issue 2 . - 024103.
DOI: https://doi.org/10.1063/1.4790434

Reck, Daniel ; Aksel, Nuri:
Experimental study on the evolution of traveling waves over an undulated incline.
In: Physics of Fluids. Vol. 25 (2013) Issue 10 . - 102101.
DOI: https://doi.org/10.1063/1.4823730

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Heining, Christian ; Pollak, Thilo ; Sellier, Mathieu:
Flow domain identification from free surface velocity in thin inertial films.
In: Journal of Fluid Mechanics. Vol. 720 (2013) . - pp. 338-356.
DOI: https://doi.org/10.1017/jfm.2013.14

Flores, Octavio ; Schmalz, Thomas ; Heymann, Lutz ; Motz, Günter ; Krenkel, Walter:
Selective Cross-linking of Oligosilazanes to Tailored Meltable Polysilazanes for the Processing of Ceramic SiCN Fibres.
In: Journal of Materials Chemistry A. Vol. 1 (2013) Issue 48 . - pp. 15406-15415.
DOI: https://doi.org/10.1039/C3TA13254D

2012

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Pollak, Thilo:
Influence of side walls and undulated topography on viscous gravity-driven film flow.
Bayreuth , 2012
( Doctoral thesis, 2012 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)

Heining, Christian ; Sellier, Mathieu ; Aksel, Nuri:
The inverse problem in creeping film flows.
In: Acta Mechanica. Vol. 223 (2012) Issue 4 . - pp. 841-847.
DOI: https://doi.org/10.1007/s00707-011-0599-3

Heining, Christian ; Pollak, Thilo ; Aksel, Nuri:
Pattern formation and mixing in three-dimensional film flow.
In: Physics of Fluids. Vol. 24 (2012) Issue 4 . - 042102.
DOI: https://doi.org/10.1063/1.3698403

2011

Scholle, Markus ; Haas, André ; Gaskell, Philip H.:
A first integral of Navier–Stokes equations and its applications.
In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. Vol. 467 (2011) Issue 2125 . - pp. 127-143.
DOI: https://doi.org/10.1098/rspa.2010.0157

Haas, André ; Pollak, Thilo ; Aksel, Nuri:
Side wall effects in thin gravity-driven film flow – steady and draining flow.
In: Physics of Fluids. Vol. 23 (2011) Issue 6 . - 062107.
DOI: https://doi.org/10.1063/1.3604002

Pollak, Thilo ; Haas, André ; Aksel, Nuri:
Side wall effects on the instability of thin gravity-driven films : From long-wave to short-wave instability.
In: Physics of Fluids. Vol. 23 (2011) Issue 9 . - 094110.
DOI: https://doi.org/10.1063/1.3634042

Hess, Andreas ; Pretzl, Melanie ; Heymann, Lutz ; Fery, Andreas ; Aksel, Nuri:
Systematic modification of the rheological properties of colloidal suspensions with polyelectrolyte multilayers.
In: Physical Review E. Vol. 84 (2011) Issue 3 . - 31407.
DOI: https://doi.org/10.1103/PhysRevE.84.031407

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Heining, Christian:
Velocity field reconstruction in gravity-driven flow over unknown topography.
In: Physics of Fluids. Vol. 23 (2011) Issue 3 . - No. 032101.
DOI: https://doi.org/10.1063/1.3559144

2010

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Heymann, Lutz ; Fernandez, Pablo ; Pullarkat, Pramod A. ; Ott, Albrecht ; Aksel, Nuri:
Cell Monolayer Rheology : eine neue Methode zur Untersuchung von biologischen Zellsuspensionen.
In: Analytik News.
29 April 2010

Heymann, Lutz ; Fernandez, Pablo ; Pullarkat, Pramod A. ; Ott, Albrecht ; Aksel, Nuri:
Cell Monolayer Rheology : eine neue Methode zur Untersuchung von Zellsuspensionen.
2010
Event: Rheologie kolloider Systeme : Gemeinsames Symposium der Deutschen Rheologischen Gesellschaft und der Kolloidgeselschaft / Rheologentagung 2010 und 17. Ostwald-Kolloquium , 10.-12.03.2010 , Karlsruhe, Deutschland.
(Conference item: Conference , Speech )

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Heining, Christian ; Aksel, Nuri:
Effects of inertia and surface tension on a power-law fluid flowing down a wavy incline.
In: International Journal of Multiphase Flow. Vol. 36 (2010) Issue 11–12 . - pp. 847-857.
DOI: https://doi.org/10.1016/j.ijmultiphaseflow.2010.07.002

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Reinicke, Stefan ; Karg, Matthias ; Lapp, Alain ; Heymann, Lutz ; Hellweg, Thomas ; Schmalz, Holger:
Flow-Induced Ordering in Cubic Gels Formed by P2VP-b-PEO-b-P(GME-co-EGE) Triblock Terpolymer Micelles : A Rheo-SANS Study.
In: Macromolecules. Vol. 43 (2010) Issue 23 . - pp. 10045-10054.
DOI: https://doi.org/10.1021/ma101768b

Haas, André:
Influence of topography on flow structure and temperature distribution in viscous flows.
München : Verl. Dr. Hut , 2010 . - IX, 133 p.
( Doctoral thesis, 2010 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)

Spurk, Joseph H. ; Aksel, Nuri:
Strömungslehre : Einführung in die Theorie der Strömungen. 8. Auflage.
Berlin : Springer , 2010 . - XII, 574 p.
DOI: https://doi.org/10.1007/978-3-642-13143-1

Wierschem, Andreas ; Pollak, Thilo ; Heining, Christian ; Aksel, Nuri:
Suppression of eddies in films over topography.
In: Physics of Fluids. Vol. 22 (2010) Issue 11 . - 113603.
DOI: https://doi.org/10.1063/1.3504374

2009

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Heining, Christian ; Aksel, Nuri:
Bottom reconstruction in thin-film flow over topography: Steady solution and linear stability.
In: Physics of Fluids. Vol. 21 (2009) Issue 8 . - 083605.
DOI: https://doi.org/10.1063/1.3211289

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Scholle, Markus ; Haas, André ; Aksel, Nuri ; Wilson, M. C. T. ; Thompson, H. M. ; Gaskell, Philip H.:
Eddy genesis and manipulation in plane laminar shear flow.
In: Physics of Fluids. Vol. 21 (2009) Issue 7 . - 073602.
DOI: https://doi.org/10.1063/1.3176475

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Scholle, Markus ; Haas, André ; Aksel, Nuri ; Thompson, H. M. ; Hewson, R. W. ; Gaskell, Philip H.:
The effect of locally induced flow structure on global heat transfer for plane laminar shear flow.
In: International Journal of Heat and Fluid Flow. Vol. 30 (2009) Issue 2 . - pp. 175-185.
DOI: https://doi.org/10.1016/j.ijheatfluidflow.2008.11.003

Groh, Christopher ; Aksel, Nuri ; Rehberg, Ingo ; Krülle, Christof A.:
Grain size dependence of barchan dune dynamics.
In: Nakagawa, Masami (ed.): Powders and grains 2009. - Melville, NY : American Institute of Physics, 2009 . - pp. 955-958 . - (AIP Conference Proceedings ; 1145 )
DOI: https://doi.org/10.1063/1.3180089

Heining, Christian:
Influence of two- and three-dimensional topography on viscous gravity-driven film flow.
Bayreuth , 2009 . - 204 S.
( Doctoral thesis, 2009 , Universität Bayreuth/ Lehrstuhl für Technische Mechanik und Strömungsmechanik)

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Heining, Christian ; Bontozoglou, V. ; Aksel, Nuri ; Wierschem, Andreas:
Nonlinear resonance in viscous films on inclined wavy planes.
In: International Journal of Multiphase Flow. Vol. 35 (2009) Issue 1 . - pp. 78-90.
DOI: https://doi.org/10.1016/j.ijmultiphaseflow.2008.07.005

2008

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Fernandez, Pablo ; Heymann, Lutz ; Tränkle, Benjamin ; Ott, Albrecht ; Aksel, Nuri ; Pullarkat, Pramod A.:
Shear Rheology of a Cell Monolayer.
2008
Event: Frühjahrstagung der Deutschen Physikalischen Gesellschaft : BP Fachverband Biologische Physik; BP 22: Cell Mechanics , 25.-29.02.2008 , Berlin, Deutchland.
(Conference item: Conference , Speech )

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Groh, Christopher ; Wierschem, Andreas ; Aksel, Nuri ; Rehberg, Ingo ; Krülle, Christof A.:
Barchan dunes in two dimensions: Experimental tests for minimal models.
In: Physical Review E. Vol. 78 (2008) Issue 2 . - 021304.
DOI: https://doi.org/10.1103/PhysRevE.78.021304

Scholle, Markus ; Heining, Christian ; Haas, André:
Comment on: “Variational principle for two-dimensional incompressible inviscid flow” (Phys. Lett. A 371 (2007) 39).
In: Physics Letters A. Vol. 372 (2008) Issue 36 . - p. 5857.
DOI: https://doi.org/10.1016/j.physleta.2008.07.015

Scholle, Markus ; Haas, André ; Aksel, Nuri ; Wilson, M. C. T. ; Thompson, H. M. ; Gaskell, Philip H.:
Competing geometric and inertial effects on local flow structure in thick gravity-driven fluid films.
In: Physics of Fluids. Vol. 20 (2008) Issue 12 . - 123101.
DOI: https://doi.org/10.1063/1.3041150

Spurk, Joseph H. ; Aksel, Nuri:
Fluid Mechanics. 2. Auflage.
Berlin : Springer , 2008 . - X, 531 p.

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Wierschem, Andreas ; Bontozoglou, V. ; Heining, Christian ; Uecker, Hannes ; Aksel, Nuri:
Linear resonance in viscous films on inclined wavy planes.
In: International Journal of Multiphase Flow. Vol. 34 (2008) Issue 6 . - pp. 580-589.
DOI: https://doi.org/10.1016/j.ijmultiphaseflow.2007.12.001

Kokott, Sylvia ; Heymann, Lutz ; Motz, Günter:
Rheology and processability of multi-walled carbon nanotubes--ABSE polycarbosilazane composites.
In: Journal of the European Ceramic Society. Vol. 28 (2008) Issue 5 . - pp. 1015-1021.
DOI: https://doi.org/10.1016/j.jeurceramsoc.2007.09.035

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Wierschem, Andreas ; Groh, Christopher ; Rehberg, Ingo ; Aksel, Nuri ; Krülle, Christof A.:
Ripple formation in weakly turbulent flow.
In: The European Physical Journal E. Vol. 25 (2008) Issue 2 . - pp. 213-221.
DOI: https://doi.org/10.1140/epje/i2007-10282-4

Heymann, Lutz ; Chen, Xueming ; Aksel, Nuri:
Transition Pathways between Solid and Liquid States of Dense Suspensions in Transient and Oscillatory Shear Flows.
2008
Event: The XVth International Congress on Rheology , 03.-08.08.2008 , Monterey, Kalifornien.
(Conference item: Conference , Speech )
DOI: https://doi.org/10.1063/1.2964813

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2007

Heymann, Lutz ; Aksel, Nuri:
Comparison of CSR and CSS modes in solid to liquid and liquid to solid transition of dense suspensions.
2007
Event: 4th Annual European Rheology Conference, AERC 2007 , 12.-14. April 2007 , Neapel.
(Conference item: Conference , Poster )

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Scholle, Markus ; Aksel, Nuri:
A general free surface rule for Stokes flow of fluid films over obstacles.
In: Acta Mechanica. Vol. 191 (2007) Issue 3 . - pp. 155-159.
DOI: https://doi.org/10.1007/s00707-006-0429-1

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Scholle, Markus:
Hydrodynamical modelling of lubricant friction between rough surfaces.
In: Tribology International. Vol. 40 (2007) Issue 6 . - pp. 1004-1011.
DOI: https://doi.org/10.1016/j.triboint.2006.02.058

Aksel, Nuri ; Heymann, Lutz:
Rheology of Suspensions and Emulsions.
In: Tropea, Cameron ; Yarin, Alexander L. ; Foss, John F. (ed.): Springer Handbook of Experimental Fluid Mechanics. - Berlin : Springer, 2007 . - pp. 680-720 . - (Springer Handbooks )

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Fernandez, Pablo ; Heymann, Lutz ; Ott, Albrecht ; Aksel, Nuri ; Pullarkat, Pramod A.:
Shear rheology of a cell monolayer.
In: New Journal of Physics. Vol. 9 (2007) Issue 11 . - p. 419.
DOI: https://doi.org/10.1088/1367-2630/9/11/419

Spurk, Joseph H. ; Aksel, Nuri:
Strömungslehre : Einführung in die Theorie der Strömungen. 7. Auflage.
Berlin : Springer-Verlag , 2007 . - X, 568 p.

Heymann, Lutz ; Aksel, Nuri:
Transition pathways between solid and liquid state in suspensions.
In: Physical Review E. Vol. 75 (2007) Issue 2 . - 021505.
DOI: https://doi.org/10.1103/PhysRevE.75.021505

Aksel, Nuri ; Heymann, Lutz:
Transition pathways between solid and liquid states in suspensions.
2007
Event: 4th Annual European Rheology Conference, AERC 2007 , 12.-14. April 2007 , Neapel.
(Conference item: Conference , Speech )

2006

Heining, Christian:
Bistabile Resonanz bei Filmströmungen über gewellte Oberflächen.
2006
(Diploma, 2006 , Universität Bayreuth, Fakultät für Mathematik, Physik und Informatik, Lehrstuhl für Ingenieurmathematik; Universität Bayreuth, Fakultät für Ingenieurwissenschaften, Lehrstuhl für Technische Mechanik und Strömungsmechanik)

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Scholle, Markus ; Rund, Armin ; Aksel, Nuri:
Drag reduction and improvement of material transport in creeping films.
In: Archive of Applied Mechanics. Vol. 75 (2006) Issue 2-3 . - pp. 93-112.
DOI: https://doi.org/10.1007/s00419-005-0414-5

Saldivar-Guerrero, Ruben ; Richter, Reinhard ; Rehberg, Ingo ; Aksel, Nuri ; Heymann, Lutz ; Rodriguez-Fernández, Oliverio S.:
Viscoelasticity of mono- and polydisperse inverse ferrofluids.
In: The Journal of Chemical Physics. Vol. 125 (2006) Issue 8 . - 084907.
DOI: https://doi.org/10.1063/1.2337576

2005

Saldivar-Guerrero, Ruben ; Richter, Reinhard ; Rehberg, Ingo ; Heymann, Lutz ; Aksel, Nuri ; Rodriguez-Fernández, Oliverio S.:
Liquid to solid transition in inverse ferrofluids.
2005
Event: 88th Bunsen Discussion Meeting : 6th German Ferrofluid Workshop: “Magnetic Colloidal Fluids: Preparation, Characterization, Physical Properties and Applications” , 20.-22.07.2005 , Saarbrücken, Deutschland.
(Conference item: Conference , Speech )

Rund, Armin ; Scholle, Markus ; Aksel, Nuri ; Büskens, Christof ; Pesch, Hans Josef:
Optimization of Flow over Rippled Bottoms.
2005
Event: GAMM Jahrestagung 2005 , 28.03.-01.04.2005 , Luxemburg.
(Conference item: Conference , Speech )

Saldivar-Guerrero, Ruben ; Richter, Reinhard ; Rehberg, Ingo ; Aksel, Nuri ; Heymann, Lutz ; Rodriguez-Fernández, Oliverio S.:
Solid to liquid transition of inverse ferrofluids under shear.
In: Magnetohydrodynamics. Vol. 41 (2005) Issue 4 . - pp. 385-389.

2004

Volltext
Itskov, Mikhail ; Aksel, Nuri:
A class of orthotropic and transversely isotropic hyperelastic constitutive models based on a polyconvex strain energy function.
In: International Journal of Solids and Structures. Vol. 41 (2004) Issue 14 . - pp. 3833-3848.
DOI: https://doi.org/10.1016/j.ijsolstr.2004.02.027

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Itskov, Mikhail ; Aksel, Nuri:
A constitutive model for orthotropic elasto-plasticity at large strains.
In: Archive of Applied Mechanics. Vol. 74 (2004) . - pp. 75-91.
DOI: https://doi.org/10.1007/s00419-004-0339-4

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Scholle, Markus ; Wierschem, Andreas ; Aksel, Nuri:
Creeping films with vortices over strongly undulated bottoms.
In: Acta Mechanica. Vol. 168 (2004) Issue 3-4 . - pp. 167-193.
DOI: https://doi.org/10.1007/s00707-004-0083-4

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Wierschem, Andreas ; Aksel, Nuri:
Hydraulic jumps and standing waves in gravity-driven flows of viscous liquids in wavy open channels.
In: Physics of Fluids. Vol. 16 (2004) Issue 11 . - pp. 3868-3877.
DOI: https://doi.org/10.1063/1.1789431

Scholle, Markus ; Rund, Armin ; Aksel, Nuri ; Büskens, Christof ; Pesch, Hans Josef:
Optimierung der Bodentopographie bei Filmströmungen : I. Parameteroptimierung.
2004
Event: GAMM Jahrestagung 2004 , 21.-27.03.2004 , Dresden.
(Conference item: Conference , Speech )

Rund, Armin ; Scholle, Markus ; Aksel, Nuri ; Büskens, Christof ; Pesch, Hans Josef:
Optimierung der Bodentopographie bei Filmströmungen : II. Formoptimierung durch optimale Steuerung.
2004
Event: GAMM Jahrestagung 2004 , 21.-27.03.2004 , Dresden.
(Conference item: Conference , Speech )

2003

Volltext
Wierschem, Andreas ; Aksel, Nuri:
Instability of a liquid film flowing down an inclined wavy plane.
In: Physica D: Nonlinear Phenomena. Vol. 186 (2003) Issue 3-4 . - pp. 221-237.
DOI: https://doi.org/10.1016/S0167-2789(03)00242-2

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Wierschem, Andreas ; Scholle, Markus ; Aksel, Nuri:
Vortices in film flow over strongly undulated bottom profiles at low Reynolds numbers.
In: Physics of Fluids. Vol. 15 (2003) Issue 2 . - pp. 426-435.
DOI: https://doi.org/10.1063/1.1533075

2002

Völtz, Camilla ; Nitschke, Michael ; Heymann, Lutz ; Rehberg, Ingo:
Thixotropes Verhalten von makroskopischen Suspensionen.
2002
Event: Frühjahrstagung der Deutschen Physikalischen Gesellschaft : DY: Dynamik und Statistische Physik : DY 53: Granulare Materie , 11.-15. März 2002 , Regensburg, Deutschland.
(Conference item: Conference , Speech )

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Aksel, Nuri:
A brief note from the editor on the “second-order fluid”.
In: Acta Mechanica. Vol. 157 (2002) Issue 1 . - pp. 235-236.
DOI: https://doi.org/10.1007/BF01182167

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Itskov, Mikhail ; Aksel, Nuri:
A closed-form representation for the derivative of non-symmetric tensor power series.
In: International Journal of Solids and Structures. Vol. 39 (2002) Issue 24 . - pp. 5963-5978.
DOI: https://doi.org/10.1016/S0020-7683(02)00464-X

Volltext
Wierschem, Andreas ; Scholle, Markus ; Aksel, Nuri:
Comparison of different theoretical approaches to experiments on film flow down an inclined wavy channel.
In: Experiments in Fluids. Vol. 33 (2002) Issue 3 . - pp. 429-442.
DOI: https://doi.org/10.1007/s00348-002-0465-0

Volltext
Itskov, Mikhail:
The Derivative with respect to a Tensor: some Theoretical Aspects and Applications.
In: ZAMM : Journal of Applied Mathematics and Mechanics = Zeitschrift für angewandte Mathematik und Mechanik. Vol. 82 (2002) Issue 8 . - pp. 535-544.
DOI: https://doi.org/10.1002/1521-4001(200208)82:8<535::AID-ZAMM535>3.0.CO;2-U

Volltext

Volltext
Heymann, Lutz ; Peukert, Sigrid ; Aksel, Nuri:
Investigation of the solid-liquid transition of highly concentrated suspensions in oscillatory amplitude sweeps.
In: Journal of Rheology. Vol. 46 (2002) Issue 1 . - pp. 93-112.
DOI: https://doi.org/10.1122/1.1423314

Heymann, Lutz ; Peukert, Sigrid ; Aksel, Nuri:
On the solid-liquid transition of concentrated suspensions in transient shear flow.
In: Rheologica Acta. Vol. 41 (2002) Issue 4 . - pp. 307-315.
DOI: https://doi.org/10.1007/s00397-002-0227-1

Heymann, Lutz ; Aksel, Nuri:
The solid-liquid transition of highly concentrated suspensions.
2002
Event: 6th European Conference on Rheology , 1.-6. Sept. 2002 , Erlangen.
(Conference item: Conference , Speech )

Volltext
Völtz, Camilla ; Nitschke, Michael ; Heymann, Lutz ; Rehberg, Ingo:
Thixotropy in macroscopic suspensions of spheres.
In: Physical Review E. Vol. 65 (2002) Issue 5 . - 051402.
DOI: https://doi.org/10.1103/PhysRevE.65.051402

2001

Heymann, Lutz ; Peukert, Sigrid ; Aksel, Nuri:
Nichtlineares Deformations- und Fließverhalten von Suspensionen in scherspannungskontrollierten oszillatorischen Scherströmungen.
2001
Event: Jahrestagung der Deutschen Rheologischen Gesellschaft , 14.-16.05.2001 , Berlin, Deutschland.
(Conference item: Conference , Speech )

Peukert, Sigrid ; Heymann, Lutz ; Aksel, Nuri:
Nichtlineares Deformations- und Fließverhalten von Suspensionen in stationärer Scherströmung.
2001
Event: Jahrestagung der Deutschen Rheologischen Gesellschaft , 14.-16.05.2001 , Berlin, Deutschland.
(Conference item: Conference , Speech )

Volltext
Teipel, Ulrich ; Aksel, Nuri:
Adsorption Behavior of Nonionic Surfactants Studied by Drop Volume Technique.
In: Chemical Engineering & Technology. Vol. 24 (2001) Issue 4 . - pp. 393-400.
DOI: https://doi.org/10.1002/1521-4125(200104)24:4<393::AID-CEAT393>3.0.CO;2-T

Volltext
Teipel, Ulrich ; Heymann, Lutz ; Aksel, Nuri:
An experimental study on the flow behavior of micellar solutions.
In: Experiments in Fluids. Vol. 30 (2001) Issue 5 . - pp. 584-591.
DOI: https://doi.org/10.1007/s003480000239

Volltext
Itskov, Mikhail:
A generalized orthotropic hyperelastic material model with application to incompressible shells.
In: International Journal for Numerical Methods in Engineering. Vol. 50 (2001) Issue 8 . - pp. 1777-1799.
DOI: https://doi.org/10.1002/nme.86

Volltext
Teipel, Ulrich ; Heymann, Lutz ; Aksel, Nuri:
Indirect detection of structural changes in micellar solutions by rheological measurements.
In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. Vol. 193 (2001) Issue 1–3 . - pp. 35-49.
DOI: https://doi.org/10.1016/S0927-7757(01)00571-4

2000

Volltext
Aksel, Nuri:
Influence of the capillarity on a creeping film flow down an inclined plane with an edge.
In: Archive of Applied Mechanics. Vol. 70 (2000) Issue 1 . - pp. 81-90.
DOI: https://doi.org/10.1007/s004199900039

Heymann, Lutz ; Peukert, Sigrid ; Aksel, Nuri:
Oscillatory rheometry of plasto-viscoelastic suspensions using FT methods.
In: Binding, D. M. ; Hudson, N. E. ; Mewis, J. ; Piau, J.-M. ; Petrie, C. J. S. ; Townsend, P. ; Wagner, M. H. ; Walters, K. ; British Society of Rheology (ed.): Proceedings of the XIIIth International Congress on Rheology : Cambridge, United Kingdom, 20th to 25th August, 2000. Band 4. - Glasgow , 2000 . - pp. 115-117

1999

Heymann, Lutz ; Aksel, Nuri:
Rheologie von Suspensionen aus porösen, oberflächenfunktionalisierten Silica-Partikeln.
1999
Event: Frühjahrstagung der Deutschen Physikalischen Gesellschaft : Verhandlungen der Deutschen Rheologischen Gesellschaft : DRG 10: Suspensionen und Emulsionen , 01.-03.03.1999 , Leipzig, Deutschland.
(Conference item: Conference , Speech )

Teipel, Ulrich:
Rheologisches Verhalten von Emulsionen und Tensidlösungen.
Stuttgart : Fraunhofer-IRB-Verl. , 1999 . - 284 p. - (Wissenschaftliche Schriftenreihe des Fraunhofer ICT ; 22 )
( Doctoral thesis, 1999 , Universität Bayreuth, Fakultät für Ingenieurwissenschaften)

1998

Heymann, Lutz ; Aksel, Nuri:
Influence of surface modified particles on the rheological properties of suspensions.
In: Emri, Igor ; Cvelbar, R. (ed.): Progress and trends in rheology V : proceedings of the Fifth European Rheology Conference, Portorož, Slovenia, September 6 - 11, 1998. - Darmstadt : Steinkopff-Verlag, 1998 . - pp. 560-561 . - (Progress and Trends in Rheology )

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