Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Sreenivasan, Binod"'
Autor:
Varma, Aditya, Sreenivasan, Binod
Seismic mapping of the top of the inner core indicates two distinct areas of high P-wave velocity, the stronger one located beneath Asia, and the other located beneath the Atlantic. This two-fold pattern supports the idea that a lower-mantle heteroge
Externí odkaz:
http://arxiv.org/abs/2408.03158
Autor:
Majumder, Debarshi, Sreenivasan, Binod
The secular variation of the geomagnetic field suggests that there are anticyclonic polar vortices in the Earth's core. Under the influence of a magnetic field, the polar azimuthal flow is thought to be produced by one or more coherent upwellings wit
Externí odkaz:
http://arxiv.org/abs/2310.06487
The dipole-multipole transition in rapidly rotating dynamos is investigated through the analysis of forced magnetohydrodynamic waves in an unstably stratified fluid. The focus of this study is on the inertia-free limit applicable to planetary cores,
Externí odkaz:
http://arxiv.org/abs/2305.17640
Autor:
Varma, Aditya, Sreenivasan, Binod
The preference for the axial dipole in planetary dynamos is investigated through the analysis of wave motions in spherical dynamo models. Our study focuses on the role of slow magnetostrophic waves, which are generated from localized balances between
Externí odkaz:
http://arxiv.org/abs/2202.08784
This paper experimentally investigates the convection in a fast rotating Tangent Cylinder (TC), for Ekman numbers down to $E=3.36\times10^{-6}$, in a configuration relevant to the liquid core of the Earth. In the apparatus, the TC results from the Pr
Externí odkaz:
http://arxiv.org/abs/1703.08567
Spherical shell dynamo models based on rotating convection show that the flow within the tangent cylinder is dominated by an off-axis plume that extends from the inner core boundary to high latitudes and drifts westward. Earlier studies explained the
Externí odkaz:
http://arxiv.org/abs/1703.08051
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In this paper, we present a new experimental facility, Little Earth Experiment, designed to study the hydrodynamics of liquid planetary cores. The main novelty of this apparatus is that a transparent electrically conducting electrolyte is subject to
Externí odkaz:
http://arxiv.org/abs/1606.01780
We study the onset of magnetoconvection between two infinite horizontal planes subject to a vertical magnetic field aligned with background rotation. In order to gain insight into the convection taking place in the Earth's tangent cylinder (TC), we t
Externí odkaz:
http://arxiv.org/abs/1407.0827