Table 4 Initialization settings for solving the explosion process.

From: Numerical simulation study on hydrogen leakage and explosion of hydrogen fuel cell buses

Item

Setting conditions

Pressure-velocity coupling

POST

Reaction Model

Partial premixed combustion model

Turbulent flame speed model

Zimont model

Ignition model

Electrical spark model

Spark plug shape

Circular (Diameter-0.002 m)

Ignition energy

0.1 J

Ignition source height

2.2 m

Pressure-velocity coupling method

PRESTON!

Initial conditions.

Adopting leakage moment parameters

Time step size

0.001s

Number of iterations per time step

50

Number of iterations

500