Research Article

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

Table 3

Detailed information of the LRE hot test.

ParameterValueUnits

The initial pressure of the gas cylinder21MPa
The initial temperature of the gas cylinder293.15K
Volume of the gas cylinder0.022
Gas typeHelium—
Moment of leakage failure118.36s
Critical pressure11.8MPa
The sampling rate of the pressure sensor100Hz
Leakage areaUnknown