Results 21 to 30 of about 127,647 (294)

Element different method for three-dimensional radiative transfer within heterogeneous media

open access: yesResults in Physics, 2023
The ability to accurately determine three-dimensional radiative intensity with high spatial and angular resolution is crucial for the diagnosis of radiative combustion.
Yifan Li   +5 more
doaj   +1 more source

A MEMS Device Capable of Measuring Near-Field Thermal Radiation between Membranes

open access: yesSensors, 2013
For sensors constructed by freestanding membranes, when the gap between a freestanding membrane and the substrate or between membranes is at micron scale, the effects of near-field radiative heat transfer on the sensors’ thermal performance should be ...
Changyu Sun   +3 more
doaj   +1 more source

Experimental Study of the Heat Flow and Energy Consumption during Liquid Cooling Due to Radiative Heat Transfer in Winter

open access: yesEnergies, 2023
Radiation cooling is a passive energy saving cooling technology. The process of cooling heat transfer liquid due to the combined effect of night radiative cooling and convection of air at negative temperatures (in winter) is studied.
Alexandr Tsoy   +8 more
doaj   +1 more source

Control of near-field radiative heat transfer based on anisotropic 2D materials

open access: yesAIP Advances, 2018
In this work, we study the near-field radiative heat transfer between two suspended sheets of anisotropic 2D materials. It is found that the radiative heat transfer can be enhanced with orders-of-magnitude over the blackbody limit for nanoscale ...
Lixin Ge   +5 more
doaj   +1 more source

GENERAL MODEL OF RADIATIVE AND CONVECTIVE HEAT TRANSFER IN BUILDINGS: PART II: CONVECTIVE AND RADIATIVE HEAT LOSSES

open access: yesActa Polytechnica, 2019
The present paper represents the second part of the serial publication, which deals with convective and radiative heat transfers in buildings. The algebraic computational method for combined convective-radiative heat transport in buildings has been ...
Tomáš Ficker
doaj   +1 more source

Radiative heat transfer in nonlinear Kerr media [PDF]

open access: yes, 2015
We obtain a fluctuation--dissipation theorem describing thermal electromagnetic fluctuation effects in nonlinear media that we exploit in conjunction with a stochastic Langevin framework to study thermal radiation from Kerr ($\chi^{(3)}$) photonic ...
Johnson, Steven G.   +3 more
core   +2 more sources

GENERAL MODEL OF RADIATIVE AND CONVECTIVE HEAT TRANSFER IN BUILDINGS: PART I: ALGEBRAIC MODEL OF RADIATIVE HEAT TRANSFER

open access: yesActa Polytechnica, 2019
Radiative heat transfer is the most effective mechanism of energy transport inside buildings. One of the methods capable of computing the radiative heat transport is based on the system of algebraic equations.
Tomáš Ficker
doaj   +1 more source

Experimental and Numerical Study of the Trench Fire Spread Rule over a Sloped Uniform Fuel Bed: Rate of Fire Spread, Flame Morphology, and Heat Flux

open access: yesFire, 2023
Trench fires on sloped terrain are always complicated due to the corresponding flame dynamics and heat transfer mechanisms. Flame attachment may increase the rate of fire spread (ROS) by enlarging the heating area of unburned vegetation.
Yi Wang, Rui Huang
doaj   +1 more source

Near-field heat transfer between graphene/hBN multilayers [PDF]

open access: yes, 2017
We study the radiative heat transfer between multilayer structures made by a periodic repetition of a graphene sheet and a hexagonal boron nitride (hBN) slab.
Antezza, Mauro   +5 more
core   +3 more sources

Radiative Heat Transfer in Anisotropic Many-Body Systems: Tuning and Enhancement

open access: yes, 2014
A general formalism for calculating the Radiative Heat Transfer in many body systems with anisotropic component is presented. Our scheme extends the theory of radiative heat transfer in isotropic many body systems to anisotropic cases.
Nikbakht, M.
core   +1 more source

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