aircraft seats world wide round robin testing
DESCRIPTION
Aircraft Seats World Wide Round Robin Testing. Pat Cahill. Aircraft Seats World Wide Round Robin Testing. Materials have been ordered; 3 sets of 3 different types of seat materials Fire hardened foam (type 1) with dress cover Fire hardened foam (type 2) with dress cover - PowerPoint PPT PresentationTRANSCRIPT
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Aircraft SeatsAircraft SeatsWorld Wide Round Robin TestingWorld Wide Round Robin Testing
Pat Cahill
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Aircraft SeatsAircraft SeatsWorld Wide Round Robin TestingWorld Wide Round Robin Testing
Materials have been ordered; 3 sets of 3 different types of seat materials– Fire hardened foam (type 1) with dress cover – Fire hardened foam (type 2) with dress cover – Foam with fire blocking layer and dress cover
Informal testing among a small number of labs has shown a disturbing lack of consistency in test data
Have requested that no changes be made (as recommended by the sub group) until the round robin is complete
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Round Robin 7Round Robin 7
Pat Cahill
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Test ResultsTest ResultsAF Denotes After Flame in SecondsFP Denotes Flame Propagation in Inches
Denotes Incomplete Data* Comments to be shared in Subgroup Meeting
AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP1 0 1 0 0 0 1 11 2.5 0 * 0 0 0 <2 0 1.25 0 <2 0 0.752 0 1 0 0 0 1.12 0 0 0 * 0.5 0 0 <2 0 1.5 2 <2 0 0.63 0 1 0 0 0 1 8 1.5 0 * 0 0 0 <2 1 1.25 0 <2 1 0.64 0 1 9 2 0 1 3 1.75 0 * 0 0 0 <2 0 1.5 0 <2 2 0.795 0 1 2 0 0 1 3 1.5 0 * 0 <2 52+ 10 0 <2 1 0.79
AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP1 0 1.5 25+ 10 0 1 30 9 0 <2 1.2 0 6 <2 25 10 0 <2 30 7.12 0 1.5 25+ 10 0 1 30 8 0 <2 1.9 0 3 <2 25 10 0 <2 4 1.23 0 1 0 2 0 1 30 9 0 <2 0 0 1 <2 0 3 0 <2 2 0.984 16 5 25+ 10 1 1 30 8 3 <2 2.5 0 4.5 <2 30 10 1 <2 6 0.985 35 10 20 10 1 1 30 9 0 <2 0 0 5 <2 2 1.5 0 <2 4 0.79
AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP AF FP1 0 1.5 16 5 0 1 30 9 25+ * 1.2 1 7 <2 16+ 10 1 <2 25 9.252 0 1.5 6 2 0 1 30 9.5 0 * 0.1 0 0 <2 20+ 10 1 <2 4 1.383 44 10 25+ 2 0 1 30 9.5 0 * 6 0 30 9.5 20+ 10 0 <2 2 0.794 0 1.25 25+ 10 1 1.25 30 9.25 25+ * 3 1 86 10.2 1 <2 26 9.055 0 1.3 25+ 10 0 1 30 9.5 3 * 0 0 0 <2 1 <2 2 0.98
Lab C Lab D Lab I
Sam
ple
Heat Flux of 1.0 BTU/ft2 sec (1.15W/cm2)
Polyimide Film - Metallized TedlarTM Tape
Lab E Lab F Lab G Lab HLab A Lab B
Lab HLab A Lab B Lab C Lab D
Lab E Lab F Lab G
Lab E Lab F Lab G
Lab A Lab B Lab C Lab D Lab H Lab I
Sam
ple
Lab J
Lab J
Lab J
Heat Flux of 1.3 BTU/ft2 sec (1.47W/cm2)
Heat Flux of 1.5 BTU/ft2 sec (1.7W/cm2)
Lab I
Sam
ple
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FAA Samples, Post TestFAA Samples, Post Test1 of 31 of 3
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FAA Samples, Post TestFAA Samples, Post Test2 of 32 of 3
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FAA Samples, Post TestFAA Samples, Post Test3 of 33 of 3
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Damping MaterialDamping Material
Pat Cahill
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Damping MaterialDamping MaterialVarious thicknesses of materials used
(sandwich constructions)Weakest link appears to be the PSA
(adhesion to the aircraft skin) Led to decision to test at interface of the
damping material adhesive layer and piece of sheet metal (simulate aircraft skin)
Sample size and sample placement is similar to mated hook and loop samples
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Damping MaterialDamping Material(continued)(continued)
Requires build up to achieve correct height for flame impingement (using Kaowool M boards)
Somewhat difficult to achieve sample height
Intermediate scale tests scheduled for July 28 in small test rig which was used for the wire tests – we will be using the foam block as the ignition source
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Damping MaterialDamping Material(continued)(continued)
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Aircraft Wire Flammability Test Aircraft Wire Flammability Test DevelopmentDevelopment
Pat Cahill
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Aircraft Wire Flammability Aircraft Wire Flammability Test DevelopmentTest Development
Report on Flammability Testing of Aircraft Wiring to be issued August 2004.
Early stages of test development …
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Early stages of Test Development Early stages of Test Development
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Early stages of Test Development Early stages of Test Development (continued)(continued)
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Early stages of Test Development Early stages of Test Development (continued)(continued)
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Early stages of Test Development Early stages of Test Development (continued)(continued)
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Early stages of Test Development Early stages of Test Development (continued)(continued)
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Early stages of Test Development Early stages of Test Development (continued)(continued)
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Early stages of Test Development Early stages of Test Development (continued)(continued)
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Early stages of Test Development Early stages of Test Development (conclusion)(conclusion)