Astrophysical Journal Letters, ISSN 2041-8205, 01/2014, Volume 780, Issue 2, pp. L22 - 6

...) of turbulent convection in spherical shells. Such waves are predicted by mean-field dynamo theory and have been obtained previously in mean-field models...

convection | dynamo | stars: late-type | stars: activity | turbulence | magnetohydrodynamics (MHD) | WEDGE GEOMETRY | DIFFERENTIAL ROTATION | II-PEGASI | FK COMAE BERENICES | EVOLUTION | MODELS | ASTRONOMY & ASTROPHYSICS | STARS | FLIP-FLOPS | MAGNETIC CYCLES | STRATIFICATION | Differential rotation | Rotating generators | Imaging | Spherical shells | Mathematical models | Drift | Maxima | Photometry | Physics - Solar and Stellar Astrophysics | MAGNETIC FIELDS | ROTATION | VELOCITY | CONVECTION | MAGNETOHYDRODYNAMICS | COMPUTERIZED SIMULATION | SPHERICAL CONFIGURATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | MEAN-FIELD THEORY | ASTROPHYSICS | DOPPLER EFFECT | PHOTOMETRY | TURBULENCE

convection | dynamo | stars: late-type | stars: activity | turbulence | magnetohydrodynamics (MHD) | WEDGE GEOMETRY | DIFFERENTIAL ROTATION | II-PEGASI | FK COMAE BERENICES | EVOLUTION | MODELS | ASTRONOMY & ASTROPHYSICS | STARS | FLIP-FLOPS | MAGNETIC CYCLES | STRATIFICATION | Differential rotation | Rotating generators | Imaging | Spherical shells | Mathematical models | Drift | Maxima | Photometry | Physics - Solar and Stellar Astrophysics | MAGNETIC FIELDS | ROTATION | VELOCITY | CONVECTION | MAGNETOHYDRODYNAMICS | COMPUTERIZED SIMULATION | SPHERICAL CONFIGURATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | MEAN-FIELD THEORY | ASTROPHYSICS | DOPPLER EFFECT | PHOTOMETRY | TURBULENCE

Journal Article

The Astrophysical journal, ISSN 1538-4357, 2013, Volume 774, Issue 1, pp. 6 - 9

.... This can be tested by exploring the scaling behavior of the models. For convection-driven incompressible spherical shell dynamos with constant material properties, scaling...

convection | brown dwarfs | stars: magnetic field | stars: low-mass | stars: interiors | methods: numerical | COMPRESSIBLE CONVECTION | EQUATIONS | DRIVEN | PLANETARY MAGNETIC-FIELDS | ASTRONOMY & ASTROPHYSICS | GEODYNAMO | SOLAR | STARS | TURBULENT CONVECTION | SIMULATIONS | ZONAL FLOW | Rotating generators | Mathematical analysis | Astronomical models | Scaling laws | Anelasticity | Spherical shells | Mathematical models | Magnetic fields | MAGNETIC FIELDS | PLANETS | VELOCITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ASTROPHYSICS | CONVECTION | SCALING LAWS | COMPUTERIZED SIMULATION | SPHERICAL CONFIGURATION

convection | brown dwarfs | stars: magnetic field | stars: low-mass | stars: interiors | methods: numerical | COMPRESSIBLE CONVECTION | EQUATIONS | DRIVEN | PLANETARY MAGNETIC-FIELDS | ASTRONOMY & ASTROPHYSICS | GEODYNAMO | SOLAR | STARS | TURBULENT CONVECTION | SIMULATIONS | ZONAL FLOW | Rotating generators | Mathematical analysis | Astronomical models | Scaling laws | Anelasticity | Spherical shells | Mathematical models | Magnetic fields | MAGNETIC FIELDS | PLANETS | VELOCITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ASTROPHYSICS | CONVECTION | SCALING LAWS | COMPUTERIZED SIMULATION | SPHERICAL CONFIGURATION

Journal Article

Journal of fluid mechanics, ISSN 0022-1120, 03/2013, Volume 719, pp. 47 - 81

We investigate the properties of small-amplitude inertial waves propagating in a differentially rotating incompressible fluid contained in a spherical shell...

Papers | rotating flows | geophysical and geological flows | waves in rotating fluids | PLANETS | TRAPPED OSCILLATIONS | PHYSICS, FLUIDS & PLASMAS | ATTRACTORS | MODES | MECHANICS | TIDAL DISSIPATION | FLUID | INTERNAL SHEAR LAYERS | STARS | FLOWS | Viscosity | Fluid mechanics | Flow velocity | Spheres | Geophysics | Boundary layer | Shear layers | Differential rotation | Wave propagation | Corotation | Shells | Spherical shells | Rotating | Inertial | Mechanics | Mechanics of the fluids | Astrophysics | Physics

Papers | rotating flows | geophysical and geological flows | waves in rotating fluids | PLANETS | TRAPPED OSCILLATIONS | PHYSICS, FLUIDS & PLASMAS | ATTRACTORS | MODES | MECHANICS | TIDAL DISSIPATION | FLUID | INTERNAL SHEAR LAYERS | STARS | FLOWS | Viscosity | Fluid mechanics | Flow velocity | Spheres | Geophysics | Boundary layer | Shear layers | Differential rotation | Wave propagation | Corotation | Shells | Spherical shells | Rotating | Inertial | Mechanics | Mechanics of the fluids | Astrophysics | Physics

Journal Article

Journal of fluid mechanics, ISSN 0022-1120, 03/2013, Volume 718, pp. 181 - 209

We investigate the flow in a spherical shell subject to a time harmonic oscillation of its rotation rate, also called longitudinal libration, when the oscillation frequency is larger than twice the mean rotation rate...

Papers | geophysical and geological flows | boundary layers | ZONAL FLOWS | ROTATION | MECHANICS | PHYSICS, FLUIDS & PLASMAS | OCEAN | FLUID MOTION | INTERNAL SHEAR LAYERS | INERTIAL OSCILLATIONS | DRIVEN | REVEALS | Fluid mechanics | Flow velocity | Harmonic analysis | Boundary layer | Fluid Dynamics | Earth Sciences | Geophysics | Sciences of the Universe | Physics | Environmental Sciences | Global Changes

Papers | geophysical and geological flows | boundary layers | ZONAL FLOWS | ROTATION | MECHANICS | PHYSICS, FLUIDS & PLASMAS | OCEAN | FLUID MOTION | INTERNAL SHEAR LAYERS | INERTIAL OSCILLATIONS | DRIVEN | REVEALS | Fluid mechanics | Flow velocity | Harmonic analysis | Boundary layer | Fluid Dynamics | Earth Sciences | Geophysics | Sciences of the Universe | Physics | Environmental Sciences | Global Changes

Journal Article

Journal of fluid mechanics, ISSN 0022-1120, 06/2018, Volume 844, pp. 597 - 634

We investigate the asymptotic properties of axisymmetric inertial modes propagating in a spherical shell when viscosity tends to zero...

JFM Papers | rotating flows | free shear layers | ATTRACTORS | WAVES | MECHANICS | ROTATING FLUID | TIDAL DISSIPATION | PHYSICS, FLUIDS & PLASMAS | INTERNAL SHEAR LAYERS | COMPLETENESS | FLOWS | OSCILLATIONS | Viscosity | Modes | Axisymmetric | Shear | Singularities | Asymptotic properties | Gravitational waves | Fluid | Velocity distribution | Propagation modes | Shear layers | Thin films | Mathematical problems | Hemispheres | Solutions | Eigenvalues | Frequency | Spherical shells | Mathematical models | Layers | Gravity

JFM Papers | rotating flows | free shear layers | ATTRACTORS | WAVES | MECHANICS | ROTATING FLUID | TIDAL DISSIPATION | PHYSICS, FLUIDS & PLASMAS | INTERNAL SHEAR LAYERS | COMPLETENESS | FLOWS | OSCILLATIONS | Viscosity | Modes | Axisymmetric | Shear | Singularities | Asymptotic properties | Gravitational waves | Fluid | Velocity distribution | Propagation modes | Shear layers | Thin films | Mathematical problems | Hemispheres | Solutions | Eigenvalues | Frequency | Spherical shells | Mathematical models | Layers | Gravity

Journal Article

Journal of field robotics, ISSN 1556-4959, 2018, Volume 35, Issue 6, pp. 850 - 867

.... For this situation, a UAV with a passive rotating spherical shell (PRSS) that can easily maneuver while protecting itself is introduced...

ROBOTICS | Bridges | Drone aircraft | Inspection | Usage | Analysis | Rotating spheres | Evaluation | Damage assessment | Visual flight | Automotive parts | Rotation | Image acquisition | Airspeed | Spherical shells | Unmanned aerial vehicles | Bridge inspection | Robots

ROBOTICS | Bridges | Drone aircraft | Inspection | Usage | Analysis | Rotating spheres | Evaluation | Damage assessment | Visual flight | Automotive parts | Rotation | Image acquisition | Airspeed | Spherical shells | Unmanned aerial vehicles | Bridge inspection | Robots

Journal Article

7.
Full Text
Axisymmetric simulations of libration-driven fluid dynamics in a spherical shell geometry

Physics of Fluids, ISSN 1070-6631, 08/2010, Volume 22, Issue 8, pp. 086602 - 086602-12

We report on axisymmetric numerical simulations of rapidly rotating spherical shells in which the axial rotation rate of the outer shell is modulated in time...

NONSYNCHRONOUS ROTATION | SYSTEM | MECHANICS | PHYSICS, FLUIDS & PLASMAS | STABILITY | LONGITUDE | CONCENTRIC ROTATING SPHERES | OSCILLATIONS | FLOW | INERTIAL WAVES | REVEALS

NONSYNCHRONOUS ROTATION | SYSTEM | MECHANICS | PHYSICS, FLUIDS & PLASMAS | STABILITY | LONGITUDE | CONCENTRIC ROTATING SPHERES | OSCILLATIONS | FLOW | INERTIAL WAVES | REVEALS

Journal Article

Journal of fluid mechanics, ISSN 0022-1120, 12/2016, Volume 808, pp. 690 - 732

Rayleigh–Bénard convection in rotating spherical shells can be considered as a simplified analogue of many astrophysical and geophysical fluid flows...

Papers | rotating flows | Bénard convection | geostrophic turbulence | CORE | NUMBER | PHYSICS, FLUIDS & PLASMAS | DRIVEN | Benard convection | MECHANICS | THERMAL-CONVECTION | MODELS | HEAT-TRANSPORT | TURBULENT CONVECTION | NUMERICAL SIMULATIONS | RAYLEIGH-BENARD CONVECTION | ZONAL FLOW | Viscosity | Ekman layers | Turbulent flow | Buoyancy | Fluid flow | Convective flow | Rayleigh number | Properties | Convection | Prandtl number | Dissipation | Mathematical models | Layers | Gravity | Boundary layer | Rotating spheres | Gravitation | Turbulence | Computer simulation | Computational fluid dynamics | Coriolis force | Reynolds number | Geophysics | Shells | Velocity | Rotation | Rotating fluids | Heat | Flow velocity | Scaling | Spherical shells | Inertia | Boundary layers | Earth and Planetary Astrophysics | Fluid Dynamics | Astrophysics | Physics

Papers | rotating flows | Bénard convection | geostrophic turbulence | CORE | NUMBER | PHYSICS, FLUIDS & PLASMAS | DRIVEN | Benard convection | MECHANICS | THERMAL-CONVECTION | MODELS | HEAT-TRANSPORT | TURBULENT CONVECTION | NUMERICAL SIMULATIONS | RAYLEIGH-BENARD CONVECTION | ZONAL FLOW | Viscosity | Ekman layers | Turbulent flow | Buoyancy | Fluid flow | Convective flow | Rayleigh number | Properties | Convection | Prandtl number | Dissipation | Mathematical models | Layers | Gravity | Boundary layer | Rotating spheres | Gravitation | Turbulence | Computer simulation | Computational fluid dynamics | Coriolis force | Reynolds number | Geophysics | Shells | Velocity | Rotation | Rotating fluids | Heat | Flow velocity | Scaling | Spherical shells | Inertia | Boundary layers | Earth and Planetary Astrophysics | Fluid Dynamics | Astrophysics | Physics

Journal Article

Geophysical Journal International, ISSN 0956-540X, 10/2010, Volume 183, Issue 1, pp. 150 - 162

SUMMARY We present a numerical study on convection in a rotating spherical shell that explores the influence of the two possible driving sources in planetary iron cores...

Planetary interiors | Dynamo: theories and simulations | Numerical solutions | OUTER CORE | PRANDTL-NUMBER DEPENDENCE | EARTHS CORE | MAGNETIC-FIELD GENERATION | DYNAMO ACTION | SIMULATION | FLOW | GEOCHEMISTRY & GEOPHYSICS | EVOLUTION | GEODYNAMO | FINITE-AMPLITUDE CONVECTION | Analysis | Geophysical research | Differential rotation | Diffusion rate | Adiabatic flow | Driving | Spherical shells | Rotating | Computing time | Diffusion | Convection

Planetary interiors | Dynamo: theories and simulations | Numerical solutions | OUTER CORE | PRANDTL-NUMBER DEPENDENCE | EARTHS CORE | MAGNETIC-FIELD GENERATION | DYNAMO ACTION | SIMULATION | FLOW | GEOCHEMISTRY & GEOPHYSICS | EVOLUTION | GEODYNAMO | FINITE-AMPLITUDE CONVECTION | Analysis | Geophysical research | Differential rotation | Diffusion rate | Adiabatic flow | Driving | Spherical shells | Rotating | Computing time | Diffusion | Convection

Journal Article

Journal of fluid mechanics, ISSN 0022-1120, 01/2010, Volume 643, pp. 363 - 394

We investigate the properties of forced inertial modes of a rotating fluid inside a spherical shell...

Papers | Rotating flows | Waves in rotating fluids | waves in rotating fluids | LINEAR-THEORY | PHYSICS, FLUIDS & PLASMAS | ELLIPTIC INSTABILITY | RESONANCE LOCKING | WAVE ATTRACTORS | DYNAMICAL TIDE | MECHANICS | ECCENTRIC ORBITS | HEAT-EQUATION | INTERNAL SHEAR LAYERS | MASSIVE BINARY-SYSTEMS | POINCARE EQUATION | rotating flows | Viscosity | Fluid mechanics | Mathematical models | Shear stresses | Tides

Papers | Rotating flows | Waves in rotating fluids | waves in rotating fluids | LINEAR-THEORY | PHYSICS, FLUIDS & PLASMAS | ELLIPTIC INSTABILITY | RESONANCE LOCKING | WAVE ATTRACTORS | DYNAMICAL TIDE | MECHANICS | ECCENTRIC ORBITS | HEAT-EQUATION | INTERNAL SHEAR LAYERS | MASSIVE BINARY-SYSTEMS | POINCARE EQUATION | rotating flows | Viscosity | Fluid mechanics | Mathematical models | Shear stresses | Tides

Journal Article

The Astrophysical Journal, ISSN 0004-637X, 12/2005, Volume 635, Issue 2 I, pp. 1224 - 1232

...)-paired neutron superfluid in a rotating spherical shell, using a pseudo-spectral collocation algorithm coupled with a time-split fractional scheme...

Dense matter | Stars: interiors | Stars: rotation Online material: color figure | Hydrodynamics | Stars: neutron | stars : rotation | TAYLOR-COUETTE FLOW | MUTUAL FRICTION | VORTICES | stars : neutron | LIQUID HELIUM-II | hydrodynamics | stars : interiors | SIMULATION | dense matter | ASTRONOMY & ASTROPHYSICS | SPIN-UP | HEAT CURRENT | DYNAMICS | CONCENTRIC ROTATING SPHERES | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies

Dense matter | Stars: interiors | Stars: rotation Online material: color figure | Hydrodynamics | Stars: neutron | stars : rotation | TAYLOR-COUETTE FLOW | MUTUAL FRICTION | VORTICES | stars : neutron | LIQUID HELIUM-II | hydrodynamics | stars : interiors | SIMULATION | dense matter | ASTRONOMY & ASTROPHYSICS | SPIN-UP | HEAT CURRENT | DYNAMICS | CONCENTRIC ROTATING SPHERES | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies

Journal Article

Earth and Planetary Science Letters, ISSN 0012-821X, 2005, Volume 236, Issue 1, pp. 542 - 557

.... Varying the spherical shell radius ratio, χ = r i / r o, illustrates differences between planets with differing core radius ratios as well as how dynamo processes vary with time in an evolving planetary core...

planetary magnetic fields | inner core | core convection | geodynamo | Inner core | Core convection | Planetary magnetic fields | Geodynamo | VORTICES | EARTHS CORE | CONDUCTING INNER-CORE | GEOCHEMISTRY & GEOPHYSICS | MERCURY | EVOLUTION | THERMAL-CONVECTION | PLANETARY MAGNETIC-FIELDS | RAYLEIGH NUMBER | SIMULATIONS | Earth | Inner core (Geology) | Geomagnetism | Analysis | Rotating generators | Computational fluid dynamics | Shells | Mathematical models | Magnetic fields | Convection | Plumes

planetary magnetic fields | inner core | core convection | geodynamo | Inner core | Core convection | Planetary magnetic fields | Geodynamo | VORTICES | EARTHS CORE | CONDUCTING INNER-CORE | GEOCHEMISTRY & GEOPHYSICS | MERCURY | EVOLUTION | THERMAL-CONVECTION | PLANETARY MAGNETIC-FIELDS | RAYLEIGH NUMBER | SIMULATIONS | Earth | Inner core (Geology) | Geomagnetism | Analysis | Rotating generators | Computational fluid dynamics | Shells | Mathematical models | Magnetic fields | Convection | Plumes

Journal Article

Physics of Fluids, ISSN 1070-6631, 08/2014, Volume 26, Issue 8, p. 84105

We investigate properties of convective solutions of the Boussinesq thermal convection in a moderately rotating spherical shell allowing the respective rotation of the inner and outer spheres due...

PLANETS | MECHANICS | THERMAL-CONVECTION | PHYSICS, FLUIDS & PLASMAS | FLUID SHELLS | ZONAL FLOW DRIVEN | CORE ROTATION | Rotating spheres | Prandtl number | Boussinesq equations | Parameters | Asymmetry | Spherical shells | Angular velocity | Spheres | Rayleigh number | Rotation | Free convection | Symmetry | FLUIDS | ROTATION | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | CONVECTION | SPHERES | PERIODICITY | ASYMPTOTIC SOLUTIONS | CHAOS THEORY | PRANDTL NUMBER | SPHERICAL CONFIGURATION | ASYMMETRY | SYMMETRY | RAYLEIGH NUMBER | ANGULAR VELOCITY

PLANETS | MECHANICS | THERMAL-CONVECTION | PHYSICS, FLUIDS & PLASMAS | FLUID SHELLS | ZONAL FLOW DRIVEN | CORE ROTATION | Rotating spheres | Prandtl number | Boussinesq equations | Parameters | Asymmetry | Spherical shells | Angular velocity | Spheres | Rayleigh number | Rotation | Free convection | Symmetry | FLUIDS | ROTATION | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | CONVECTION | SPHERES | PERIODICITY | ASYMPTOTIC SOLUTIONS | CHAOS THEORY | PRANDTL NUMBER | SPHERICAL CONFIGURATION | ASYMMETRY | SYMMETRY | RAYLEIGH NUMBER | ANGULAR VELOCITY

Journal Article

Physics Letters A, ISSN 0375-9601, 2011, Volume 375, Issue 44, pp. 3858 - 3865

We study the nonlinear incompressible non-viscous fluid flows within a thin rotating atmospheric shell that serve as a simple mathematical description of an...

FLUID | PHYSICS, MULTIDISCIPLINARY | Atmospheric circulation | Models | Atmosphere, Upper | Analysis | Computational fluid dynamics | Asymptotic properties | Mathematical analysis | Fluid flow | Nonlinearity | Mathematical models | Rotating | Atmospherics

FLUID | PHYSICS, MULTIDISCIPLINARY | Atmospheric circulation | Models | Atmosphere, Upper | Analysis | Computational fluid dynamics | Asymptotic properties | Mathematical analysis | Fluid flow | Nonlinearity | Mathematical models | Rotating | Atmospherics

Journal Article

Astronomy and Astrophysics, ISSN 0004-6361, 03/2017, Volume 599, p. A4

Context. Stellar convection zones are characterized by vigorous high-Reynolds number turbulence at low Prandtl numbers. Aims. We study the dynamo and...

Magnetohydrodynamics (MHD) | Turbulence | Dynamo | Sun: magnetic fields | Convection | HELICITY LOSSES | TURBULENT DYNAMOS | SOLAR-LIKE | dynamo | MAGNETIC WREATHS | WEDGE GEOMETRY | COOL STARS | turbulence | DIFFERENTIAL ROTATION | convection | FLUID SHELLS | ASTRONOMY & ASTROPHYSICS | SIMULATIONS | magnetohydrodynamics (MHD) | WAVE-PROPAGATION | Differential rotation | Prandtl number | Turbulent flow | Rotating generators | Reynolds number | Fluid flow | Magnetic fields | Physics - Solar and Stellar Astrophysics

Magnetohydrodynamics (MHD) | Turbulence | Dynamo | Sun: magnetic fields | Convection | HELICITY LOSSES | TURBULENT DYNAMOS | SOLAR-LIKE | dynamo | MAGNETIC WREATHS | WEDGE GEOMETRY | COOL STARS | turbulence | DIFFERENTIAL ROTATION | convection | FLUID SHELLS | ASTRONOMY & ASTROPHYSICS | SIMULATIONS | magnetohydrodynamics (MHD) | WAVE-PROPAGATION | Differential rotation | Prandtl number | Turbulent flow | Rotating generators | Reynolds number | Fluid flow | Magnetic fields | Physics - Solar and Stellar Astrophysics

Journal Article