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: Analytical perturbation solutions are obtained for the velocity, temperature and concentration fields as well as for the skin friction coefficient, Nusselt number and Sherwood number and computed results are in good agreement with the earlier published results.
57 citations
TL;DR: The heat and mass transfer analysis in mixed convective radiative flow of Jeffrey fluid over a moving surface is investigated and graphical results of dimensionless velocity, temperature and concentration are presented and discussed in detail.
Abstract: In this article we investigate the heat and mass transfer analysis in mixed convective radiative flow of Jeffrey fluid over a moving surface. The effects of thermal and concentration stratifications are also taken into consideration. Rosseland's approximations are utilized for thermal radiation. The nonlinear boundary layer partial differential equations are converted into nonlinear ordinary differential equations via suitable dimensionless variables. The solutions of nonlinear ordinary differential equations are developed by homotopic procedure. Convergence of homotopic solutions is examined graphically and numerically. Graphical results of dimensionless velocity, temperature and concentration are presented and discussed in detail. Values of the skin-friction coefficient, the local Nusselt and the local Sherwood numbers are analyzed numerically. Temperature and concentration profiles are decreased when the values of thermal and concentration stratifications parameters increase. Larger values of radiation parameter lead to the higher temperature and thicker thermal boundary layer thickness.
57 citations
TL;DR: In this paper, non-Newtonian nanofluid flow and heat transfer in a permeable enclosure with two cylinders embedded in the cavity with and without thermal radiation effect is investigated.
57 citations
TL;DR: In this article, a net exchange formulation was used to analyze the thermal radiation within the Venus atmosphere, which is based on a set of gaseous and cloud optical data chosen among available referenced data.
Abstract: [1] Thermal radiation within Venus atmosphere is analyzed in close details. Prominent features are identified, which are then used to design a parameterization (a highly simplified and yet accurate enough model) to be used in General Circulation Models. The analysis is based on a net exchange formulation, using a set of gaseous and cloud optical data chosen among available referenced data. The accuracy of the proposed parameterization methodology is controlled against Monte Carlo simulations, assuming that the optical data are exact. Then, the accuracy level corresponding to our present optical data choice is discussed by comparison with available observations, concentrating on the most unknown aspects of Venus thermal radiation, namely the deep atmosphere opacity and the cloud composition and structure.
56 citations
TL;DR: In this article, an analysis is presented to predict the local rate of solar energy absorption in a pond using the radiative transfer theory, where the physical model considers absorption and scattering by the water and internal reflection of radiation from the air-water interface as well as the bottom.
56 citations