Numerical simulation of high-power LED radiator based on CFD
In order to improve the heat dissipation effect of high power LED,lower chip junction temperature and prolong the service life of LED,taking rectangular finned LED radiator as research object,three-dimensional numerical simulation using computational fluid dynamics(CFD)software SOLIDWORKS flow simulation is carried out.By CAD modeling,computational meshing and giving certain boundary conditions,numerical simulation is accomplished.The average temperature,heat transfer coefficient of each LED radiator's fin surface and relevant flow field pattern are given and analyzed to increase heat transfer area,improve heat transfer coefficient and increase fin emissivity.The results can provide theoretical basis for the optimal design of large LED radiator.