Thermal Simulation of Li-Ion Battery Pack Using ANSYS Fluent
269
Fig. 3 Busbar connection and virtual connection
Fig. 4 Results of busbar connection and virtual connection method
in this method and meshing of the busbar is a very challenging task since it is very
thin.
4.2 Mathematical Equations
These equations are used to solve the electrical and thermal fields in the computation
fluid dynamics domain at the battery cell’s scale. σ + and σ − denote the effective
electric conductivities for the positive and negative electrode, ϕ + and ϕ − are phase
potentials for the positive and negative electrodes, j represents volumetric transfer
current density, and q stands for heat generation rate. These equations are directly
taken from the software’s manual.
∂ρC pT
∂t
− ∇.(k∇T ) = ˙
q
(1)
∇.(σ + ∇ϕ + ) = − j
(2)
∇.(σ − ∇ϕ − ) = j
(3)
269
Fig. 3 Busbar connection and virtual connection
Fig. 4 Results of busbar connection and virtual connection method
in this method and meshing of the busbar is a very challenging task since it is very
thin.
4.2 Mathematical Equations
These equations are used to solve the electrical and thermal fields in the computation
fluid dynamics domain at the battery cell’s scale. σ + and σ − denote the effective
electric conductivities for the positive and negative electrode, ϕ + and ϕ − are phase
potentials for the positive and negative electrodes, j represents volumetric transfer
current density, and q stands for heat generation rate. These equations are directly
taken from the software’s manual.
∂ρC pT
∂t
− ∇.(k∇T ) = ˙
q
(1)
∇.(σ + ∇ϕ + ) = − j
(2)
∇.(σ − ∇ϕ − ) = j
(3)