Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Localized spirals in Taylor-Couette flow.

M Heise1, J Abshagen, D Küter

  • 1Institute of Experimental and Applied Physics, University of Kiel, 24098 Kiel, Germany.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|March 21, 2008
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Low-fidelity simulation model to microvascular surgery for military surgical residents.

BMJ military health·2022
Same author

Structured diabetes self-management education and its association with perceived diabetes knowledge, information, and disease distress: Results of a nationwide population-based study.

Primary care diabetes·2022
Same author

Wartime upper-extremity injuries in the Sahelian strip: Experience from a French Forward Surgical Team deployed in Mali.

Hand surgery & rehabilitation·2021
Same author

Tungsten accumulates in the intervertebral disc and vertebrae stimulating disc degeneration and upregulating markers of inflammation and pain.

European cells & materials·2021
Same author

[Procurement of abdominal organs].

Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen·2020
Same author

Magnetically controlled growing rods in severe radial club hand congenital deformities.

Hand surgery & rehabilitation·2019
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

New spiral vortex states emerge from supercritical Hopf bifurcations in Taylor-Couette flow. These distinct states, localized near end plates, coexist with classical spirals and exhibit unique symmetries and frequencies.

Area of Science:

  • Fluid dynamics
  • Nonlinear dynamics
  • Complex systems

Background:

  • Circular Couette flow is a fundamental system for studying fluid instabilities.
  • Classical spiral states arise from linear instability in counterrotating flows.
  • Understanding bifurcations is key to predicting complex flow patterns.

Purpose of the Study:

  • To identify and characterize novel spiral vortex states in a Taylor-Couette system.
  • To investigate the conditions under which these states emerge.
  • To compare their properties with previously known classical spiral states.

Main Methods:

  • Numerical simulations of fluid flow in a Taylor-Couette system with rigid end plates.
  • Analysis of supercritical Hopf bifurcations.

Related Experiment Videos

  • Experimental verification of numerical findings.

    • Main Results:

    • A new type of spiral vortex state was observed, originating from a supercritical Hopf bifurcation below linear instability.
    • These states exhibit localized amplitudes near the rigid end plates.
    • They coexist with classical spirals and possess distinct oscillation frequencies and symmetries (spatial or spatiotemporal reflection symmetry).

    Conclusions:

    • The study reveals a new pathway to complex vortex states in confined fluid systems.
    • These findings expand our understanding of pattern formation in Taylor-Couette flow.
    • The discovered states offer new avenues for research in nonlinear fluid dynamics.