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: The combined effects of thermal stratification, applied electric and magnetic fields, thermal radiation, viscous dissipation and Joules heating are numerically studied on a boundary layer flow of electrical conducting nanofluid over a nonlinearly stretching sheet with variable thickness.
76 citations
TL;DR: A one-chip near-field TPV device consisting of a thin-film Si emitter and InGaAs PV cell with an intermediate Si substrate that enables the suppression of the heat transfer due to sub-bandgap radiation by free carriers and surface modes is demonstrated.
Abstract: Thermal radiation transfer between two objects separated by a subwavelength gap (near-field thermal radiation transfer) can be orders of magnitude larger than that in free space, which is attractin...
76 citations
TL;DR: In this article, a conservative analytical estimate of the effects of radiation heat loss is derived and validated against detailed numerical simulations, and a solver with a graphical interface is provided in the Supplemental material to allow implementation of these analytical results.
76 citations
TL;DR: In this article, the steady boundary layer flow of an Eyring-Powell model fluid due to an exponentially shrinking sheet was examined and the heat transfer process in the presence of thermal radiation was considered.
75 citations
TL;DR: In this paper, the regions between crop rows are modeled as infinitely long diffuse cavities and geometrical view factors are calculated, accounting for reflected radiation emanating internal to the cavity and from the background sky.
Abstract: The regions between crop rows are modeled as infinitely long diffuse cavities. Geometrical view factors are calculated, accounting for reflected radiation emanating internal to the cavity and from the background sky. A 'cavity' emissivity dependent on local geometry is defined to allow for correcting apparent temperatures to true temperatures. The total emissivity appropriate for correcting aircraft thermal data is then calculated by averaging all emissivity components to account for soil, crop, and background. It is shown that even for the lowest crop and vegetation emissivities, if the crop height-to-spacing ratio is greater than unity, the composite emissivity is greatly increased, giving rise to a decreased error in remotely sensed temperature data.
75 citations