Table 7 Specifies the characteristics of nodes in Bayesian network structures.
Node name | The level of a node in a hierarchical structure | Node states | Node type |
|---|---|---|---|
Utility | Goal | – | Demand |
Severity of Hazard | Criterion | Low, Moderate, High | Likely |
Probability of Hazard | Criterion | Low, Moderate, High | Likely |
Physical environment | Sub-criterion Level 1 | Low, Moderate, High | Likely |
Organizational environment | Sub-criterion Level 1 | Low, Moderate, High | Likely |
Economic and social environment | Sub-criterion Level 1 | Low, Moderate, High | Likely |
Closure of the Hydrogen valve | Sub-criterion Level 2 | Completely closed, partially closed | Likely |
The liquid level inside the tank | Sub-criterion Level 2 | Low, High | Likely |
Stress in cells | Sub-criterion Level 2 | Low, Moderate, High | Likely |
Electrolyzer pressure | Sub-criterion Level 2 | Low, Moderate, High | Likely |
Current fluctuation | Sub-criterion Level 2 | Yes, No | Likely |
Voltage fluctuation | Sub-criterion Level 2 | Yes, No | Likely |
Acid transfer | Sub-criterion Level 2 | Low, Moderate, High | Likely |
Reduction in seawater current | Sub-criterion Level 2 | Low, Very Low | Likely |
Rectifier operation | Sub-criterion Level 2 | Suitable, Unsuitable | Likely |
Reduction in salt content | Sub-criterion Level 2 | Low, Very Low | Likely |
Startup Checklist | Sub-criterion Level 3 | Accept, non-Accept | Likely |
Functioning of a Flow Switch | Sub-criterion Level 3 | Work, Fail | Likely |
Transmitters | Sub-criterion Level 3 | Work, Fail | Likely |
On-site Pressure Gauges | Sub-criterion Level 3 | Work, Fail | Likely |
Production Guidelines | Sub-criterion Level 3 | Accept, non-Accept | Likely |
Process Log Sheets | Sub-criterion Level 3 | Accept, non-Accept | Likely |
Rectifier Control Panel | Sub-criterion Level 3 | Suitable, Unsuitable | Likely |
Conductivity Meter | Sub-criterion Level 3 | Work, Fail | Likely |
On-site level gauge | Sub-criterion Level 3 | Work, Fail | Likely |
Manufacturer’s guidelines | Sub-criterion Level 3 | Suitable, Unsuitable | Likely |
Human Error | Sub-criterion Level 3 | An Accidental error, Capture Error, Identification Error, Misperception Error, Lack of Knowledge, Mindset, Over Under Motivation Error, Reasoning Error | Likely |
Inadequate Training | Sub-criterion Level 4 | Low, Moderate, High | Likely |
Incompatibility between Person and Role | Sub-criterion Level 4 | Accept, non-Accept | Likely |
Risk Objects | Objects | Cracking in PVC Pipe(CPP) | Decision |
Hydrogen Explosion(HE) | |||
Explosion in cells due to High Current Flow(EHCF) | |||
Explosion in Cells due to High Voltage(ECHV) | |||
Corrosion in Electrolysis Cells(CEC) | |||
Damage and Explosion of Cells(DEC) |
