In recent decades, the Lattice Boltzmann Method has received attention due to capabilities such as simple structure, simplicity of coding, explicitness, and many other reasons. As we know decreasing the size of the data processing microsystems significantly causes to increase in the thermal flux produced in these systems. So that the standard cooling systems such as air cooling do not have the ability to repel this high heat flux, the only way is using the high efficiency or better alternative methods. In the meantime, many experts have been suggested using microchannels with a porous media structure as a high-performance cooling system. Therefore, in this project, researches are done on a two-dimensional geometry in cartesian coordinate, the geometry in this research is a microchannel that is included a homogeneous porous media particles. To solve the temperature field, the D2Q9 method will be used and also for the velocity field D2Q9 approach will be used. In this study, the effect of using nanofluids and porous media particles to improve heat transfer and fluid flow in microchannel will be investigated.
Due to the importance of heat transfer and fluid flow in various industries, new methods have been proposed to improve it. In this study, the goal is to increase heat transfer improvement in one of the most important micro-heat transfer devices, namely micro-channels. While the high surface-to-volume ratio of microchannels makes them the best candidate for efficient heat transfer equipment. In this study, in order to improve heat transfer in microchannels, porous media and nanofluid flow will be used to improve heat transfer simultaneously. Therefore, the effect of variable parameters will be examined in the following and the best situation will be presented with the approach of improving heat transfer.