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Related papers: A dusty plasma model for vortex structure in Jupit…

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In plasma of direct-current glow discharge the dependence of ordered dusty structure volume, shape and density on plasma conditions were investigated. The structure is formed in a field of volume charge. In experimental investigations we…

Plasma Physics · Physics 2007-05-23 Anatoly Khakhaev , Sergey Podriadtchikov

Hot Jupiters are Jupiter-sized exoplanets with close-in orbits, characterized by extreme day-night temperature contrasts due to synchronous rotation. These planets offer unique observational opportunities through transit photometry,…

Earth and Planetary Astrophysics · Physics 2025-10-08 W. Dietrich , J. Wicht

In order to circumvent the loss of solid material through radial drift towards the central star, the trapping of dust inside persistent vortices in protoplanetary discs has often been suggested as a process that can eventually lead to…

Earth and Planetary Astrophysics · Physics 2015-06-23 A. D. Railton , J. C. B. Papaloizou

Dusty plasma experiments can be performed quite easily in strong coupling regime. In our previous work [Phys. Plasmas 21, 073705 (2014)], we numerically explored such plasmas with constant density and observed the transverse shear (TS)…

Plasma Physics · Physics 2020-11-04 Vikram S. Dharodi

Ground-based and spacecraft telescopic observations, combined with an intensive modeling effort, have greatly enhanced our understanding of hot giant planets and brown dwarfs over the past ten years. Although these objects are all fluid,…

Earth and Planetary Astrophysics · Physics 2020-12-09 Adam P. Showman , Xianyu Tan , Vivien Parmentier

Global Circulation Models (GCMs) of atmospheric flows are now routinely used to interpret observational data on Hot Jupiters. Localized "equatorial $\beta$-plane" simulations by Fromang et al. (2016) have revealed that a barotropic…

Earth and Planetary Astrophysics · Physics 2020-03-04 Kristen Menou

In the present paper we study instability caused by the velocity shear flows of the great red spot of Jupiter. For the purpose, we imply the Navier Stokes and the continuity equations, perform the linear analysis of the governing equations…

Earth and Planetary Astrophysics · Physics 2019-11-11 G. Gutishvili , Z. Osmanov

Towering storms, swirling clouds, and vortices are the cloud tops manifestation of complex weather systems shaping the atmosphere of Jupiter. We use observations from Juno's MicroWave Radiometer (MWR), the Very Large Array (VLA) and the…

Earth and Planetary Astrophysics · Physics 2025-04-15 Chris Moeckel , Imke de Pater , Bob Sault , Bryan Butler

In evolved and dusty circumstellar discs, two planets with masses comparable to Jupiter and Saturn that migrate outwards while maintaining an orbital resonance can produce distinctive features in the dust distribution. Dust accumulates at…

Earth and Planetary Astrophysics · Physics 2023-02-08 Francesco Marzari , Gennaro DAngelo

The paper reports on the dynamics of a 3-dimensional dusty plasma in a strong magnetic field. An electrostatic potential well created by a conducting or non-conducting ring in the rf discharge confines the charged dust particles. In the…

Plasma Physics · Physics 2020-06-24 Mangilal Choudhary , Roman Bergert , Slobodan Mitic , Markus H. Thoma

We study dusty winds driven by radiation pressure in the atmosphere of a rapidly star-forming environment. We apply the variable Eddington tensor algorithm to re-examine the two-dimensional radiation hydrodynamic problem of a column of gas…

Astrophysics of Galaxies · Physics 2017-04-19 Dong Zhang , Shane W. Davis

The streaming instability is a fundamental process that can drive dust-gas dynamics and ultimately planetesimal formation in protoplanetary discs. As a linear instability, it has been shown that its growth with a distribution of dust sizes…

Earth and Planetary Astrophysics · Physics 2021-10-20 Chao-Chin Yang , Zhaohuan Zhu

Since the early 1990s, there has been significant interest in the physics of dusty plasmas, which has now become a new discipline in plasma science. Dusty plasma exhibits new and unusual behaviour, and provides a possibility for modified or…

General Relativity and Quantum Cosmology · Physics 2026-05-19 Tanay Gupta , Isha Shailesh , Ram Prasad Prajapati

Large-scale vortices in protoplanetary disks are thought to form and survive for long periods of time. Hence, they can significantly change the global disk evolution and particularly the distribution of the solid particles embedded in the…

Earth and Planetary Astrophysics · Physics 2017-09-20 P. Barge , L. Ricci , C. L. Carilli , R. Previn-Ratnasingam

Observations of the flow on Jupiter exists essentially only for the cloud-level, which is dominated by strong east-west jet-streams. These have been suggested to result from dynamics in a superficial thin weather-layer, or alternatively be…

Earth and Planetary Astrophysics · Physics 2017-01-25 Eli Galanti , Yohai Kaspi

Using a general circulation model (GCM), we investigate trends in simulated hot Jupiter atmospheres for a range of irradiation temperatures (1,500 - 4,000 K), surface gravities (10 and 40 m s-2), and cloud conditions. Our models include…

Earth and Planetary Astrophysics · Physics 2021-02-24 Michael T. Roman , Eliza M. -R. Kempton , Emily Rauscher , Caleb K. Harada , Jacob L. Bean , Kevin B. Stevenson

Analysis of driven dust vortex flow is presented in a weakly magnetized plasma. The 2D hydrodynamic model is applied to the confined dust cloud in a non-uniform magnetic field in order to recover the dust vortex flow driven in a…

Plasma Physics · Physics 2020-06-30 Prince Kumar , Devendra Sharma

Jupiter's atmosphere comprises several dynamical regimes: the equatorial eastward flows and surrounding retrograde jets; the midlatitudes, with the eddy-driven, alternating jet-streams and meridional circulation cells; and the jet-free…

Earth and Planetary Astrophysics · Physics 2023-12-19 Keren Duer , Eli Galanti , Yohai Kaspi

We investigate the dynamics and morphology of jets propagating into the interstellar medium using 2D relativistic hydrodynamic simulations. The calculations are performed assuming axisymmetric geometry and trace a long propagation of jets.…

Astrophysics · Physics 2009-11-10 Akira Mizuta , Shoichi Yamada , Hideaki Takabe

Thermally bistable fluid tends to self-organize into clouds of hot and cold material, which are internally uniform and separated by thin conduction fronts. The evolution of these clouds has been studied for isobaric systems, but when…

Plasma Physics · Physics 2024-07-18 Henry Fetsch , Nathaniel J. Fisch