Federal Aviation International Aircraft Materials Fire .
International AircraftMaterials Fire TestWorking Group MeetingDevelopment of a NewFlammability Test forMagnesium-Alloy SeatStructurePresented to: International Aircraft Materials Fire TestWorking Group, Manchester, EnglandBy: Tim Marker, FAA Technical CenterDate: June 19-20, 2013Federal AviationAdministration
Evolution of the Test ConfigurationHorizontal BarVertical ConeVarious ShapesShorter conesTaller conesStepped conesRectangular stepped shapeSpring 2007Spring 2011Horizontal cylindersRectangular tubing horizontalRectangular tubing verticalI-Webs horizontalHorizontal BarHollow CylinderT-Webs horizontalInverted conesCylindrical tubes horizontalCylindrical tubes verticalSpring 2012Task Group Session on Seat Structure TestJune 19, 2013Summer 2011Federal AviationAdministration2 of 44
Which Configuration?Hollow Cylinders (vertical): 59 TestsTask Group Session on Seat Structure TestJune 19, 2013Rectangular Bars (horizontal): 137 TestsFederal AviationAdministration3 of 44
Comparison of %RSD of Cylinder and Bar TestsAverageStd Dev% RSD0.250-Inch EL-210.375-Inch EL-210.500-Inch EL-21BarBarBarBeginsBeginsBeginsto Burn Bar Out Weight to Burn Bar Out Weight to Burn Bar Out Weight(Sec) Loss (%) (Sec)(Sec) Loss (%) (Sec)(Sec) Loss 0103.3282.8186.794.2AverageStd Dev% RSD0.250-Inch WE-430.375-Inch WE-430.500-WE-43BarBarBarBeginsBeginsBeginsto Burn Bar Out Weight to Burn Bar Out Weight to Burn Bar Out Weight(Sec) Loss (%) (Sec)(Sec) Loss (%) (Sec)(Sec) Loss .9136.241.747.0155.5AverageStd Dev% RSD0.250-Inch ZE-410.375-Inch ZE-410.500-ZE-41BarBarBarBeginsBeginsBeginsto Burn Bar Out Weight to Burn Bar Out Weight to Burn Bar Out Weight(Sec) Loss (%) (Sec)(Sec) Loss (%) (Sec)(Sec) Loss 0.0200.07.380.456.949.7AverageStd Dev% RSD0.250-Inch AZ-800.375-Inch AZ-800.500-AZ-80BarBarBarBeginsBeginsBeginsto Burn Bar Out Weight to Burn Bar Out Weight to Burn Bar Out Weight(Sec) Loss (%) (Sec)(Sec) Loss (%) (Sec)(Sec) Loss 537.412.654.072.032.4EL-21WE-43CylinderBeginsto Burn Cylinder(Sec)OutAverage69.3248.8Std Dev67.334.1% RSD97.213.7ZE-41CylinderBeginsto Burn Cylinder(Sec)OutAverage 167.9573.7Std Dev43.3363.9% RSD25.863.4BarsCylindersCylinderBeginsto Burn Cylinder(Sec)OutAverage 108.0310.1Std Dev 114.086.4% RSD 105.527.9AZ-80CylinderBeginsto Burn Cylinder(Sec)OutAverage90.71140.0Std Dev1.20.0% RSD1.30.0Task Group Session on Seat Structure TestJune 19, 2013Federal AviationAdministration4 of 44
Vertical Cylinder vs. Horizontal Bar SummaryData indicates horizontal bar configuration more 725.863.41.30.0AVG %RSD57.526.30.250-Inch 2.522.6Bar samples easier/less expensive to produce!Task Group Session on Seat Structure TestJune 19, 2013Federal AviationAdministration5 of 44
Updated Horizontal Bar Testing RigTask Group Session on Seat Structure TestJune 19, 2013Federal AviationAdministration6 of 44
Updated Horizontal Bar Testing RigTask Group Session on Seat Structure TestJune 19, 2013Federal AviationAdministration7 of 44
Updated Horizontal Bar Testing RigTask Group Session on Seat Structure TestJune 19, 2013Federal AviationAdministration8 of 44
Eliminate measurement of residue ignition & extinguishment timeWhen is it “Out”?Task Group Session on Seat Structure Tes
Std Dev 114.0 86.4 % RSD 105.5 27.9 Cylinder Begins to Burn (Sec) Cylinder Out Average 69.3 248.8 Std Dev 67.3 34.1 % RSD 97.2 13.7 Cylinder Begins to Burn (Sec) Cylinder Out Average 167.9 573.7 Std Dev 43.3 363.9 % RSD 25.8 63.4 Cylinder Begins to Burn (Sec) Cylinder Out Average 90.7 1140.0 Std
- B734 aircraft model added - B735 aircraft model added - E145 aircraft model added - B737 aircraft model added - AT45 aircraft model added - B762 aircraft model added - B743 aircraft model added - Removal of several existing OPF and APF files due to the change of ICAO aircraft designators according to RD3: A330, A340, BA46, DC9, MD80
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AAEF2-025: Dressing aircraft engines (Aerospace and Aviation) AAEF2-017: Maintaining mechanical devices and equipment (Aerospace and Aviation) AAEF2-026: Maintaining aircraft mechanical devices and equipment (Aerospace and Aviation) AAEF2-024: General electrical and electronic engineering applications (Aerospace and Aviation)
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