English
Related papers

Related papers: Stability of thermal structures with an internal h…

200 papers

Asymmetric nuclear matter equation of state at finite temperature is studied in SU(2) chiral sigma model using mean field approximation. The effect of temperature on effective mass, entropy, and binding energy is discussed. Treating the…

Nuclear Theory · Physics 2011-07-19 Pravat Kumar Jena , Lambodar Prasad Singh

Planets that are embedded in the changing magnetic fields of their host stars can experience significant induction heating in their interiors caused by the planet's orbital motion. For induction heating to be substantial, the planetary…

Earth and Planetary Astrophysics · Physics 2018-05-23 K. G. Kislyakova , L. Fossati , C. P. Johnstone , L. Noack , T. Lueftinger , V. V. Zaitsev , H. Lammer

Thermal instability (TI) can strongly affect the structure and dynamics of the interstellar medium (ISM) in the Milky Way and other disk galaxies. Thermal conduction plays an important role in the TI by stabilizing small scales and limiting…

Astrophysics of Galaxies · Physics 2015-06-03 Ena Choi , James M. Stone

A model of spheroidal particles is used to calculate the steady-state temperature of dust grains immersed in the interstellar radiation field. It is found that the temperature of non-spherical grains with the aspect ratios a/b <= 2 deviates…

Astrophysics · Physics 2007-05-23 N. V. Voshchinnikov , D. A. Semenov , Th. Henning

Heat input roughly balances radiative cooling in the gaseous cores of galaxy clusters even when the central cooling time is short, implying that cooling triggers a feedback loop that maintains thermal balance. Furthermore, cores with short…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Gregory Meece , Brian O'Shea , Mark Voit

The dissipative nature of heat transfer relaxes thermal flows to an equilibrium state that is devoid of temperature gradients. The distance to reach an equilibrium temperature -- the thermal entrance length -- is a consequence of diffusion…

Fluid Dynamics · Physics 2021-06-22 S. Beetham , A. Lattanzi , J. Capecelatro

Our knowledge of Saturns neutral thermosphere is far superior to that of the other giant planets due to Cassini Ultraviolet Imaging Spectrograph (UVIS) observations of 15 solar occultations and 26 stellar occultations analyzed to date.…

Earth and Planetary Astrophysics · Physics 2016-10-26 Darrell F. Strobel , Tommi Koskinen , Ingo Mueller-Wodarg

Most of the spectra of neutron star low mass X-ray binaries (NS LMXBs), being them persistent or transient, are characterized by the presence of a strong thermal Comptonization bump, thought to originate in the transition layer (TL) between…

High Energy Astrophysical Phenomena · Physics 2015-05-19 R. Farinelli , L. Titarchuk

Bearing in mind the application to high-magnetic-field (high-B) radio pulsars, we investigate two-dimensional (2D) thermal evolutions of neutron stars (NSs). We pay particular attention to the influence of different equilibrium…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Nobutoshi Yasutake , Kei Kotake , Masamichi Kutsuna , Toshikazu Shigeyama

In this paper we examine the stability of stellar configurations in which the interior solution is described by a closed FLRW geometry sourced with a charged pressureless fluid and radiation. An interacting vacuum component and a…

General Relativity and Quantum Cosmology · Physics 2023-01-25 Rodrigo Maier

The atmosphere of a hot jupiter may be subject to a thermo-resistive instability, in which the increasing electrical conductivity with temperature leads to runaway Ohmic heating. We introduce a simplified model of the local dynamics in the…

Earth and Planetary Astrophysics · Physics 2022-12-07 Raphaël Hardy , Andrew Cumming , Paul Charbonneau

We study the fate of internal gravity waves, which are excited by tidal forcing by a short-period planet at the interface of convection and radiation zones, approaching the centre of a solar-type star. We study at what amplitude these wave…

Earth and Planetary Astrophysics · Physics 2015-05-18 A. J. Barker , G. I. Ogilvie

We analyzed absorption features arising from interstellar neutral carbon that appeared in the UV spectra of 89 stars recorded in the highest resolution echelle modes of STIS on HST so that we could determine the relative populations of…

Astrophysics of Galaxies · Physics 2011-05-30 Edward B. Jenkins , Todd M. Tripp

In this work, we have characterized changes in the dynamics of a two-dimensional relativistic standard map in the presence of dissipation and specially when it is submitted to thermal effects modeled by a Gaussian noise reservoir. By the…

Chaotic Dynamics · Physics 2017-06-07 Ana C. C. Horstmann , Holokx A. Albuquerque , Cesar Manchein

ISO data taken with the long-wavelength imaging photo-polarimeter ISOPHOT are presented of 18 pre-stellar cores at three far-infrared wavelengths - 90, 170 and 200 microns. Most of the cores are detected clearly at 170 and 200 but only one…

Astrophysics · Physics 2009-11-07 D. Ward-Thompson , P. Andre , J. M. Kirk

One of the ways natural and synthetic systems regulate temperature is via circulating fluids through vasculatures embedded within their bodies. Because of the flexibility and availability of proven fabrication techniques, vascular-based…

Numerical Analysis · Mathematics 2023-03-14 K. B. Nakshatrala , K. Adhikari

Here we present a self-consistent stationary solution for spherically symmetric winds driven by massive star clusters under the impact of radiative cooling. We demonstrate that cooling may modify drastically the distribution of temperature…

Astrophysics · Physics 2009-11-10 Sergiy Silich , Guillermo Tenorio-Tagle , Ary Rodriguez-Gonzalez

Motion in the atmosphere or mantle convection are two among phenomena of natural convection induced by internal heat sources. They bifurcate from the conduction state as a result of its loss of stability. In spite of their importance, due…

Mathematical Physics · Physics 2007-05-23 Ioana Dragomirescu , Adelina Georgescu

Solar wind provides an example of a weakly collisional plasma expanding from a thermal source in the presence of spatially diverging magnetic field lines. Observations show that in the inner heliosphere, the electron temperature declines…

Plasma Physics · Physics 2022-06-01 Stanislav Boldyrev , Cary Forest , Jan Egedal

The goal of this paper is to explore the potential multistability of the climate of a planet around the habitable zone. A thorough investigation of the thermodynamics of the climate system is performed for very diverse conditions of energy…

Atmospheric and Oceanic Physics · Physics 2015-06-05 Robert Boschi , Valerio Lucarini , Salvatore Pascale
‹ Prev 1 8 9 10 Next ›