HEAT TRANSFER ENHANCEMENT IN OPEN-CELL FOAMS
Fields of applications of foams and the state-of-art, with particular reference to heat exchangers and solar air receivers, are first presented. The characteristics of open-cell foams are then defined and their complex morphology is described. Manufacturing routes of real foams are presented. Physical laws that regulate foaming process and correlations among morphological parameters are presented. Macroscopic and microscopic modeling of foams are reviewed. With reference to the macroscopic approach, governing equations written with the volume averaging technique (VAT) are presented. The microscopic approach allows one to obtain closing coefficients for the macroscopic governing equations. Fluid dynamics and heat transfer mechanisms at the microscopic scale are reviewed. Experimental and numerical investigations on fluid dynamics and heat transfer are presented.
ARHT Digital Library
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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