English
Related papers

Related papers: Radiative thermal runaway due to negative differen…

200 papers

Thermal emission is the radiation of electromagnetic waves from hot objects. The promise of thermal-emission engineering for applications in energy harvesting, radiative cooling, and thermal camouflage has recently led to renewed research…

We propose a mechanism to substantially rectify radiative heat flow by matching thin films of metal-to-insulator transition materials and polar dielectrics in the electromagnetic near field. By leveraging the distinct scaling behaviors of…

Applied Physics · Physics 2021-09-09 Qizhang Li , Haiyu He , Qun Chen , Bai Song

Recent work has shown that in a non-thermal, multidimensional system, the trajectories in the activated complex possess different instantaneous and time-averaged reactant decay rates. Under dissipative dynamics, it is known that these…

Chemical Physics · Physics 2021-01-06 Robin Bardakcioglu , Johannes Reiff , Matthias Feldmaier , Jörg Main , Rigoberto Hernandez

A study of a reacting boundary layer flow with heat transfer at conditions typical for configurations at elevated pressures has been performed using a set of direct numerical simulations. Effects of wall temperatures are investigated,…

Fluid Dynamics · Physics 2021-02-16 Nikolaos Perakis , Oskar Haidn , Matthias Ihme

Thermochromic vanadium dioxide thin films have attracted much attention recently for constructing variable-emittance coatings upon its insulator-metal phase transition for dynamic thermal control. However, fabrication of high-quality…

Materials Science · Physics 2025-05-20 Vishwa Krishna Rajan , Jeremy Chao , Sydney Taylor , Liping Wang

Two thermal adiabatic boundary conditions arise on the semitransparent window owing to the fact that whether semitransparent window allows the energy to leave the system by radiation mode of heat transfer. It is assumed that being low…

Fluid Dynamics · Physics 2020-07-27 G Chanakya , Pradeep Kumar

Even if their detection is for now challenging, observation of small terrestrial planets will be easier in a near future thanks to continuous improvements of detection and characterisation instruments. In this quest, climate modeling is a…

Earth and Planetary Astrophysics · Physics 2023-12-20 G. Chaverot , E. Bolmont , M. Turbet

We investigate the influence of the temperature boundary conditions at the sidewall on the heat transport in Rayleigh-B\'enard (RB) convection using direct numerical simulations. For relatively low Rayleigh numbers Ra the heat transport is…

Fluid Dynamics · Physics 2014-12-24 Richard J. A. M. Stevens , Detlef Lohse , Roberto Verzicco

Radiative heat transfer between two bodies saturates at very short separation distances due to the nonlocal optical response of the materials. In this work, we show that the presence of radiative interactions with a third body or external…

Mesoscale and Nanoscale Physics · Physics 2021-04-14 Ivan Latella , Riccardo Messina , Svend-Age Biehs , J. Miguel Rubi , Philippe Ben-Abdallah

In this study we examine influence of the radiation heat transfer on the combustion regimes in the mixture, formed by suspension of fine inert particles in hydrogen gas. The gaseous phase is assumed to be transparent for the thermal…

Fluid Dynamics · Physics 2015-07-24 M. A. Liberman , M. F Ivanov , A. D. Kiverin

We calculate the surface temperature and the resulting brightness of sub-relativistic objects moving through the Solar system due to collisional heating by gas and radiative heating by solar radiation. The thermal emission from objects of…

Earth and Planetary Astrophysics · Physics 2020-07-10 Thiem Hoang , Abraham Loeb

As a planet ages it cools and its radius shrinks, at a rate set by the efficiency with which heat is transported from the interior out to space. The bottleneck for this transport is at the boundary between the convective interior and the…

Earth and Planetary Astrophysics · Physics 2015-06-17 E. Rauscher , A. P. Showman

The fundamental vacuum state of quantum fields, related to Minkowski space, produces divergent fluctuations that must be suppressed in order to bring reality to the description of physical systems. As a consequence, negative vacuum…

Quantum Physics · Physics 2021-06-14 G. H. S. Camargo , V. A. De Lorenci , A. L. Ferreira Junior , C. C. H. Ribeiro

A theory of temperature dynamics in many-body systems driven by time-dependent external sources is introduced. The formalism based on the combination of the perturbation theory and the fluctuational-electrodynamics approach in many-body…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Alireza Naeimi , Moladad Nikbakht

The problem of thermally activated escape over a potential barrier is solved by means of path integrals for one-dimensional reaction dynamics with very general time dependences. For a suitably chosen but still quite simple static potential…

Statistical Mechanics · Physics 2009-09-09 Sebastian Getfert , Peter Reimann

Vanadium dioxide (VO2) has drawn significant attention for its near room temperature insulator to metal transition and associated structural phase transition. The underlying Physics behind the temperature induced insulator to metal and…

Materials Science · Physics 2023-04-19 S. R. Sahu , S. S. Majid , A. Ahad , A. Tripathy , K. Dey , S. Pal , B. K. De , Wen-Pin Hsieh , R. Rawat , V. G. Sathe , D. K. Shukla

Cold ions trapped in the vicinity of conductive surfaces experience heating of their oscillatory motion. Typically, the rate of this heating is orders of magnitude larger than expected from electric field fluctuations due to thermal motion…

Atomic Physics · Physics 2018-01-17 Ivan A. Boldin , Alexander Kraft , Christof Wunderlich

Fire protection mainly takes place through physical or chemical pathways or both of them. The thermal diffusivity is one of the basic thermophysical properties which can connect the chemical structure. It is well-known in the literature…

Computational Physics · Physics 2017-10-05 Maryam Mohammadi , Jamal Davoodi

We study the evolution of degenerate electron cores primarily composed of the carbon burning products oxygen, neon, and magnesium (hereafter ONeMg cores) that are undergoing compression. Electron capture reactions on A=20 and A=24 isotopes…

Solar and Stellar Astrophysics · Physics 2016-08-12 Josiah Schwab , Eliot Quataert , Lars Bildsten

Heat shuttling phenomenon is characterized by the presence of a non-zero heat flow between two bodies without net thermal bias on average. It was initially predicted in the context of nonlinear heat conduction within atomic lattices coupled…

‹ Prev 1 3 4 5 6 7 10 Next ›