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Nucleate pool boiling regimes of power electronics cooling Ghent University
Effect of hot coiling under accelerated cooling on development of non-equiaxed ferrite in low carbon steel Ghent University
Strengthening mechanisms dominant in non-equiaxed ferrite structures are not so familiar and well measured. In present study, non-equiaxed ferritic structures were generated and perceived to be strengthened by grain/crystal refinement, presence of varying substructures, solid solution strengthening, and textural hardening. A Nb-V microalloyed steel was modeled under various accelerated cooling and coiling temperature conditions in a ...
Nucleate Pool Boiling Regimes Of Power Electronics Cooling University of Antwerp
The boiling curve of refrigerant FK-649 at a saturation temperature of 36 degrees C is experimentally determined for nucleate pool boiling on the baseplate of an IGBT power module. The nucleate pool boiling curve can be subdivided in three zones. At low heat fluxes (lower than 20 kW/m(2) ), partial nucleate boiling occurs. This zone is followed by fully developed nucleate boiling, between 20 kW/m(2) and 90 kW/m(2) , with a significantly steeper ...
Assessment of nucleate pool boiling heat transfer and critical heat flux for power electronics cooling with a low-GWP refrigerant Ghent University
Experimental study of inverter base plate cooling with two-phase pool boiling University of Antwerp
To reduce the energy use and emissions in the transport sector, electric vehicles are typically proposed as (part of) the solution. Power electronics are an essential part of electrical drivetrains for electric vehicle applications. Due to the high power density of these components, active cooling is a necessity to avoid overheating of the power electronic components. This study experimentally investigates two-phase cooling of an inverter base ...
Numerical and Experimental Analysis of Passive Cooling through Night Ventilation (Numerieke en experimentele analyse van passieve koeling door nachtventilatie) KU Leuven
Nowadays, the application of active cooling in office buildings is hardly questioned in building practices. Also in temperate climates, active cooling is often assumed to be a necessary condition for a good thermal comfort. However, an optimal building design can go a long way towards reducing the cooling load. For example, night cooling can maintain thermal comfort during the day, by pre-cooling the building at night using cool exterior air at ...
Development of Microvalves for High-Performance Cooling of Microelectronics (Ontwikkeling van microkleppen voor hoogperformante koeling van microelektronica) KU Leuven
Driven by miniaturization and the continuing increase in clock speed and data transfer, power dissipation in many electronic components has exceeded the limits of conventional cooling methodologies, such as fan-blown air cooling. Given the expected increase in power density, microprocessor designers have identified cooling as one of the major challenges for the next decade. Similar needs arise from the further development of other electronic ...