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Vulnerability Methodology and Protective Measures for Aircraft Fire and Explosion Hazards. Volume 2. Aircraft Engine Nacelle Fire Test Programs. Part 1. Fire Detection, Fire Extinguishment and Surface Ignition Studies
| 题名： | Vulnerability Methodology and Protective Measures for Aircraft Fire and Explosion Hazards. Volume 2. Aircraft Engine Nacelle Fire Test Programs. Part 1. Fire Detection, Fire Extinguishment and Surface Ignition Studies |
| 作者： | Johnson, A M;Grenich, A F; |
| 关键词： | fire；ards；studies；surface；detection；plos；measur；program；engine；rotec |
| 摘要： | Fire tests and extinguishant concentration tests were conducted using a simulated portion of the F-16 aircraft engine compartment in the Aircraft Engine Nacelle (AEN) fire test simulator at WPAFB. Combat damage simulation included outer compartment wall penetration allowing either inflow or outflow of ventillation airflow through and external wound and fan perforation or engine bleed air line damage. 'Standard' fire and agent concentration test techniques were developed. Existing specifications were found to be adequate in terms of quantity of fire extinguishing agent. Results also indicated that more rapid agent release resulted in more effective use of the agent. Halon 1301 performed significantly better than Halon 1202, contrary to what the available literature indicated. Fires with combat damage inflow simulation added were the most difficult to extinguish because hot surface ignition sources were created soon after the test fire was ignited. For these, the quantity of agent specified would have been adequate only if the agent reached the fire within a few seconds after ignition. Keywords: Combat damage; Engine compartment extinguishant systems; Fire extinguishant agent evaluation, Halon 1202; Halon 1301; Hot surface ignition, Ultraviolet fire detection system; Ventilation air flow. |
| 报告类型： | 科技报告 |
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