THERMAL RADIATION IN PART1CULATE MEDIA WITH DEPENDENT AND INDEPENDENT SCATTERING
The present work gives an overview of the existing knowledge of radiative heat transfer in particulate media. Special emphasis is given to the proper usage of realistic scattering characteristics of particles. It begins with an introduction of the basic formulation for radiative heat transfer with scattering. This is followed by a discussion on the classification of different scattering environments such as the various single scattering regimes (i.e., Rayleigh. Mie and geometric), single versus multiple scattering, and independent versus dependent scattering. Different numerical models of radiative transfer in independent scattering media are then reviewed and employed for comparison with reliable experimental information. Numerical results for the absorption and scattering coefficients, based on Mie scattering calculations, exhibit excellent agreement with packed-bed transmittance data. For dependent scattering media, numerical schemes for computing scattering efficiencies are described and shown to yield results in good agreement with measurements.
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Illustration of composite TIMs with a percolation of spherical nanoparticles, and high aspect ratio nanowires. NANOSTRUCTURED THERMAL INTERFACES
Photograph of copper/diamond sintered wick structure. RECENT ADVANCES IN TWO-PHASE THERMAL GROUND PLANES
The microchannel with a single pillar used by Jung et al., and an SEM image of the pillar with a flow control slit at 180 deg (facing downstream). ADVANCED CHIP-LEVEL LIQUID HEAT EXCHANGERS
Schematics of thermal boundary conductance calculations. NONEQUILIRIUM MOLECULAR DYNAMICS METHODS FOR LATTICE HEAT CONDUCTION CALCULATIONS
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