Model-Based Leakage Estimation and Remaining Useful Life Prediction of Control Gas Cylinder

Table 2

Detailed information of the CFD simulation.

Parameter	Value	Units
The initial pressure of the high-pressure cylinder	20	MPa
The initial temperature of the high-pressure cylinder	273.15	K
Volume of the high-pressure cylinder
Barometric pressure	0.101325	MPa
Time step		s
Leakage area
Gas type	Helium	—
Grid volume	56000	Cell
Turbulence model	RNG k-ε [21]	—