Topic
Thermal radiation
About: Thermal radiation is a research topic. Over the lifetime, 12290 publications have been published within this topic receiving 197186 citations. The topic is also known as: heat radiation.
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TL;DR: In this article, the spectral, spatial, resonant, and coherence properties of the evanescent thermal near-field have been characterized for systems with thermally excited molecular, surface plasmon polariton, and surface phonon polariton (SPhP) resonances.
83 citations
TL;DR: In this paper, a heat transfer numerical model is developed for steam-gasification of coal in a fluidized bed contained in a quartz tubular reactor that is directly exposed to concentrated thermal radiation.
83 citations
TL;DR: In this article, a comprehensive analysis of megnetohydrodynamic (MHD) steady boundary layer flow has been discussed through the linear stretching surface, where the effect of thermal radiation are also taken into account while fluid consists of nanoparticles with convective boundary conditions.
Abstract: In the present article, a comprehensive analysis of megnetohydrodynamic (MHD) steady boundary layer flow have been discussed through the linear stretching surface. The effect of thermal radiation are also taken into account while fluid consists of nanoparticles with convective boundary conditions. The resulting expressions for temperature and nanoparticle equations are coupled. The simplified non-linear equations are tackled with the help of homotopy analysis method (HAM). Main objective of this article is to inspect the effects of emerging parameters which appears in solution. Interesting results are shown graphically. The dimensionless heat transfer rates and dimensionless concentration rate are also plotted against flow control parameters.
83 citations
TL;DR: In this article, the authors considered the thermal radiation effects on moving infinite vertical plate in the presence variable temperature and mass diffusion and solved the dimensionless governing equations using the Laplace transform technique.
Abstract: Thermal radiation effects on moving infinite vertical plate in the presence variable temperature and mass diffusion is considered. The fluid considered here is a gray, absorbing-emitting radiation but a non-scattering medium. The plate temperature and the concentration level near the plate are raised linearly with time. The dimensionless governing equations are solved using the Laplace-transform technique. The velocity and skin-friction are studied for different parameters like thermal Grashof number, mass Grashof number, time and radiation parameter. It is observed that the velocity slightly decreases with increasing value of the radiation parameter.
83 citations
TL;DR: In this article, the effect of chemical reaction on flow, heat, and mass transfer of Williamson nanofluid over a stretching sheet is considered under the influence of nonlinear thermal radiation.
Abstract: The main emphasis of the present study is to discuss the effect of chemical reaction on flow, heat, and mass transfer of Williamson nanofluid over a stretching sheet. The flow is considered under the influence of nonlinear thermal radiation. To obtain the numerical results, the governing equations have been reduced to a set of nonlinear ordinary differential equations using appropriate similarity transformations. An efficient Runge-Kutta-Felhberg 45 order method along with a shooting technique is used to get the required solutions. The accuracy of the method used is verified with the existing results, and they are found to be in good agreement. Obtained numerical solutions are presented in the form of graphs and tables for a various range of slip boundary condition and for different values of flow pertinent parameters, such as permeability parameter, radiation parameter, Lewis number, Heat capacities ratio, diffusivity ratio, Schmidt number, chemical reaction parameter, volumetric volume expansion...
83 citations