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Faculties > Faculty of Engineering Science > Ehemalige Professoren > Chair Applied Mechanis and Fluid Dynamics - Univ.-Prof. Dr. Nuri Aksel

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Number of items at this level: 65.

2019

Volltext
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

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

Volltext
Aksel, Nuri ; Schörner, Mario:
Films over topography : from creeping flow to linear stability, theory, and experiments, a review.
In: Acta Mechanica. Vol. 229 (1 April 2018) Issue 4 . - pp. 1453-1482. - 30 S..
DOI: https://doi.org/10.1007/s00707-018-2146-y

Schörner, Mario ; Reck, Daniel ; Aksel, Nuri ; Trifonov, Yuri:
Switching between different types of stability isles in films over topographies.
In: Acta Mechanica. Vol. 229 (1 February 2018) Issue 2 . - pp. 423-436.
DOI: https://doi.org/10.1007/s00707-017-1979-0

Volltext
Schörner, Mario ; Aksel, Nuri:
The stability cycle : A universal pathway for the stability of films over topography.
In: Physics of Fluids. Vol. 30 (1 January 2018) Issue 1 . - 012105. - 16 S..
DOI: https://doi.org/10.1063/1.5003449

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 . - No. 044902.
DOI: https://doi.org/10.1063/1.5038643

2017

Volltext
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 (1 September 2017) Issue 9 . - 092108. - 15 S..
DOI: https://doi.org/10.1063/1.5003574

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)

2016

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

Volltext
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

Volltext
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

Volltext

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)

2010

Volltext
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 )

Volltext
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

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)

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

2009

Volltext
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 .
DOI: https://doi.org/10.1063/1.3211289

Volltext
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 .
DOI: https://doi.org/10.1063/1.3176475

Volltext
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)

Volltext
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

Volltext
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 )

Volltext
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 . - Art. Nr. 021304.
DOI: https://doi.org/10.1103/PhysRevE.78.021304

Volltext
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

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

2007

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

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 )

Volltext
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

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 )

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

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

Volltext
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 . - Eintrag 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 )

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 . - 3833 - 3848.
DOI: https://doi.org/10.1016/j.ijsolstr.2004.02.027

Volltext
Itskov, Mikhail ; Aksel, Nuri:
A constitutive model for orthotropic elasto-plasticity at large strains.
In: Archive of Applied Mechanics. Vol. 74 (2004) Issue 1-2 . - pp. 75-91.
DOI: https://doi.org/10.1007/s00419-004-0339-4

Volltext
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

Volltext
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. Vol. 186 (2003) Issue 3-4 . - 221 - 237.
DOI: https://doi.org/10.1016/S0167-2789(03)00242-2

Volltext
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

Volltext
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

Volltext
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 . - 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

Volltext
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 )

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
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 . - 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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