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Aircraft Cargo Compartment Fire Detection

International Aircraft Systems Fire Protection Working Group Wilson, NC July 17-18, 2001. Aircraft Cargo Compartment Fire Detection. David Blake FAA Technical Center Atlantic City Airport, NJ. 08405 Phone: 609-485-4525 email: dave.blake@tc.faa.gov. Standard Fire Source. Nylon

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Aircraft Cargo Compartment Fire Detection

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  1. International Aircraft Systems Fire Protection Working Group Wilson, NC July 17-18, 2001 Aircraft Cargo Compartment Fire Detection David Blake FAA Technical Center Atlantic City Airport, NJ. 08405 Phone: 609-485-4525 email: dave.blake@tc.faa.gov

  2. Standard Fire Source Nylon Polyethylene Acrylic Polystyrene PVC PBT

  3. Smoldering Fire (Pyrolysis) Spark Ignitors, 2 ml heptane Flaming Fire

  4. Results • Cone calorimeter/FTIR data for flaming and smoldering resin blocks. • Gas concentrations for flaming and smoldering resin blocks in center of 707 cargo compartment. • Smoke levels from flaming resin block in main deck DC-10 cargo compartment. • Detection times for flaming and smoldering resin blocks in below floor DC-10 cargo compartment.

  5. Cone Calorimeter with FTIR gas analysis

  6. Cone calorimeter/FTIR

  7. Cone calorimeter/FTIR

  8. Cone calorimeter/FTIR

  9. Cone calorimeter/FTIR

  10. Cone calorimeter/FTIR

  11. Cone calorimeter/FTIR

  12. Cone calorimeter/FTIR

  13. Cone calorimeter/FTIR

  14. Gas Probe 707 Cargo Compartment

  15. Flaming Resin Block

  16. DC-10 Below Floor Cargo Compartment

  17. Detector Alarm Time A 0:58 B 0:41 C 1:16 D 1:05 Alarm time is the average of 2 tests. Flaming Resin Resin Block Compartment volume = 3500 cubic feet

  18. Detector Alarm Time A 1:13 B 1:08 C 1:22 D 1:13 Alarm time is the average of 2 tests. Flaming Resin Resin Block Compartment volume = 3500 cubic feet

  19. Detector Alarm Time A 1:01 B :52 C 1:45 D 1:43* Alarm time is the average of 2 tests. Smoldering Resin Resin Block Compartment volume = 3500 cubic feet * No alarm for one of the tests.

  20. Future Activities • Complete resin block testing in DC-10 below floor compartment. • Run a variety of fires in DC-10 (alcohol soaked rags, suitcases, shredded newspaper). • Develop possible alarm algorithms and compare detection times for the above fires and resin blocks for both the 707 tests and the DC-10 tests.

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