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Published byCornelia Griffith Modified over 9 years ago
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ABX Air Ground Fire Joseph Panagiotou Fire Initiation
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Supernumerary Compartment
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Oxygen Mask Enclosure
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Area of Fire Origin
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Melted Stainless Steel
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Oxygen Hose Tests Two types of tests conducted Ignition by electrical current –Internal heating –Simulate short circuit Ignition by external heat source –Simulate response to fire
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Oxygen Hose Test Video
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Test Conclusions Internal heating –Pop/bang similar to firecracker –Hissing External heating –No loud pop/bang –Hissing Fire resembled cutting torch
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Test Conclusions Noises heard by crew consistent with conductive and combustible oxygen hose ignition by short circuit Oxygen hose design brings together –Ignition source –Fuel –Oxidizer
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Fire Initiation Melted stainless steel elbow Crew observations Oxygen hose tests Fire initiated due to electrical current passing within conductive and combustible oxygen hose
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Smoke Detectors No smoke detectors required in supernumerary compartment No smoke detectors in occupied areas Supernumerary compartments not always occupied
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