Reliability Analysis of a Building Real Fire Simulation Training System
Abstract
:1. Introduction
2. Analysis of Basic Reliability Theory
2.1. Classification of Reliability Systems
2.2. System Reliability Indicators
2.2.1. Reliability [29,30]
2.2.2. Failure Rate [30]
2.2.3. Average Lifetime
2.3. Reliability of the Irreparable System
3. Structural Analysis and Reliability Model Establishment of the Building Real Fire Simulation Training System
3.1. Structural Analysis of the Fume–Heat Training Room
3.1.1. Heating System
3.1.2. Fuming System
3.1.3. Air Supply and Exhaust System
3.1.4. Strobe Light System
3.1.5. Sound System
3.1.6. Thermostat System
3.1.7. Reliability Model Analysis of the Fume–Heat Training Room
3.2. Structural Analysis of the Combustion Training Room
3.2.1. Ground Flow Fire System
3.2.2. Hearth Fire System
3.2.3. Flaring System
3.2.4. Combustion Bed System
3.2.5. Stair Fire and TV Fire System
3.2.6. Reliability Model Analysis of the Combustion Training Room
3.3. Structural Analysis of the Water, Oil, and Gas Supply System
3.3.1. Water Supply System and Oil Supply System
3.3.2. Gas Supply System
3.3.3. Reliability Model Analysis of the Water, Oil and Gas Supply System
3.4. Reliability Model Establishment of the Building Real Fire Simulation Training System
4. Reliability Analysis of the Building Real Fire Simulation Training System
4.1. Failure Rate of Key Components
4.2. Reliability Results Analysis of the Fume–Heat Training Room
4.3. Reliability Results Analysis of the Combustion Training Room
4.4. Reliability Results Analysis of the Water, Oil, and Gas Supply System
5. Conclusions
- (1)
- With a constant correction factor, the failure rate of each system gradually increases and the reliability decreases as the working time increases. At the same time, the larger the correction factor, the harsher the working environment, the higher the failure rate of the system, and the lower the reliability. The water, oil, and gas supply system has the highest reliability, while the combustion training room has the lowest reliability.
- (2)
- The structure with the lowest reliability in the fume–heat training room is the strobe light system. The strobe light system can be changed to a structure with more parallel connections and fewer series connections to improve its reliability. The frequency of maintenance should be increased for heating and fuming device systems after a long period of use to ensure their stability.
- (3)
- The least reliable structure in the combustion training room is the flaring system, which can be improved by introducing a reserve system. The components of a stair fire system need to be optimized to improve overall reliability.
- (4)
- Based on meeting the training requirements, the real fire simulation training system should try to reduce the series link, increase the parallel link, and add reserve systems as necessary. Components with high reliability should be selected as much as possible to increase the overall reliability when economic conditions allow.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Structure | Mathematical Models |
---|---|
Series system | |
Parallel system | |
Series-parallel system | |
Parallel-series system | |
Voting system |
Reliability of the fume—heat training room: | ||
Heating system | : Reliability of electric controls : Reliability of manual controls : Reliability of heat blower : Reliability of fume emitter : Reliability of industrial heater : Reliability of fume generator | |
Fuming system | ||
Air supply and exhaust system | : Reliability of supply fan : Reliability of exhaust fan | |
Strobe light system | : Reliability of light | |
Sound system | : Reliability of sound | |
Thermostat system | : Reliability of thermostat : Reliability of temperature monitor | |
Ground flow fire system | : Reliability of starting devices : Reliability of valves : Reliability of nozzles : Reliability of ignition indicators : Reliability of ignition devices : Reliability of closing devices : Two operating conditions for the injector and ignition system : Reliability of injectors and ignition system : Reliability of spraying system | |
Hearth fire system | : Reliability of gas ignition system : Reliability of fuel injection system : Reliability of spraying system | |
Flaring system | : Reliability of flaring permitting device | |
Combustion bed system | : Reliability of plumbing system : Reliability of pipeline | |
Stair fire system | ||
TV fire system | ||
Water supply system | : Reliability of water tank : Reliability of water pump : Reliability of control valves : Reliability of main pipeline | |
Oil supply system | : Reliability of oil tank : Reliability of oil pump | |
Gas supply system | : Reliability of gas cylinder |
Systems | Components | ||||
---|---|---|---|---|---|
Upper Limit | Average | Lower Limit | |||
Fume–heat training room | Electric controls | 10.81 | 7.3 | 1.5 | |
Manual controls | 8.0 | 7.2 | 1.6 | ||
Heat blower | 11.4 | 6.9 | 0.2 | ||
Fume emitter | 15.8 | 5.13 | 0.32 | ||
Temperature monitor | 9.2 | 5.74 | 1.3 | ||
Supply fan | 24.3 | 3.22 | 1.76 | ||
Exhaust fan | 19.7 | 2.43 | 1.32 | ||
Light | 6.43 | 1.62 | 0.6 | ||
Sound | 15.24 | 8.1 | 0.91 | ||
Thermostat | 10.4 | 8.52 | 1.21 | ||
Combustion training room | Starting devices | 1.5 | 1.32 | 0.72 | |
Valves | 2.71 | 1.05 | 0.45 | ||
Nozzles | 0.77 | 0.3 | 0.01 | ||
Ignition indicators | 1.77 | 1.59 | 0.41 | ||
Ignition devices | 2.34 | 1.7 | 0.27 | ||
Closing device | 2.4 | 1.2 | 0.1 | ||
Pipeline | 2.01 | 0.03 | 0.012 | ||
Flaring permitting device | 1.22 | 0.5 | 0.4 | ||
Water, oil, and gas supply system | Tanks | 2.52 | 1.5 | 0.48 | |
Valves | 2.71 | 1.05 | 0.45 | ||
Pumps | 5.54 | 2.41 | 1.34 | ||
Gas cylinder | 0.8 | 0.3 | 0.041 | ||
Pipeline | 2.01 | 0.03 | 0.012 |
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Huang, Z.; Yu, R.; Huang, Y.; Li, J.; Ding, H.; Lei, Y.; Wang, P.; Jameel, D. Reliability Analysis of a Building Real Fire Simulation Training System. Fire 2023, 6, 369. https://doi.org/10.3390/fire6100369
Huang Z, Yu R, Huang Y, Li J, Ding H, Lei Y, Wang P, Jameel D. Reliability Analysis of a Building Real Fire Simulation Training System. Fire. 2023; 6(10):369. https://doi.org/10.3390/fire6100369
Chicago/Turabian StyleHuang, Zhian, Rongxia Yu, Yang Huang, Jinyang Li, Hao Ding, Yukun Lei, Pengfei Wang, and Danish Jameel. 2023. "Reliability Analysis of a Building Real Fire Simulation Training System" Fire 6, no. 10: 369. https://doi.org/10.3390/fire6100369