Analysis of heat and mass transfer mechanism during thermal energy storage and temperature regulation
2020
To strengthen the heat and mass transfer capacity and improve the temperature
regulation rate, potential storage is taken as the research object in this
research to study the heat energy storage of the battery in the low
temperature environment. Lattice Boltzmann method is adopted to study the
heat energy storage influence mechanism of the temperature regulation system
of the low temperature phase-change materials. In addition, the influence of
different physical parameters (thermal conductivity and latent heat of phase
change) on the thermal insulation of the system in the process of
temperature control is revealed. The results show that the mechanism of heat
and mass transfer in the process of heat storage and temperature control is
related to the different physical properties of phase-change materials. The
decrease of thermal conductivity and the increase of latent heat of
phase-change materials will greatly increase the effect of heat energy
storage. Therefore, under the action of phase change latent heat, phase
change material can effectively extend the holding time of the battery in
the low temperature environment.
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