Simulation analysis on thermal conductivity of buckypaper/polymer composites

In order to study the effect of buckypaper heating sheet with shape control, thickness and bending cycles on the temperature distribution of the buckypaper/polymer composites when reaching the steady state, FLUENT is used to analyze the thermal conductivity of the polymer-based composites reinforced by flat and bending nanopaper under different working conditions. The calculation results show that the average temperature of the nanocomposite with pulse bending nanopaper is lower, the heating rate is slower and the time to reach the steady state is shorter in the heating process. The smaller the thickness of nanopaper heating sheets is, the smaller the bending cycle is. The higher the average temperature is, the time of the polymer-based composites reinforced by nanopaper reaching the steady state is longer. It is concluded that the required time for the thickness and bending cycles of nanopaper heating sheets to enhance the polymer-based composites to reach the steady state and the effect of temperature distribution is mainly done through the unit volume heat of nanopaper heating sheets. Because the heat dissipation rate is lower than the increase rate of heat production, it takes longer time for the polymer-based composites reinforced by nanopaper to reach the steady state.