Aircraft Seat Cushion Fuel Burn Test System，Aircraft interior fire safety test rig
The Aircraft Seat Cushion Fuel Burn Test System is a dedicated aviation fire testing platform designed to evaluate the fuel fire performance, flame spread behavior, and combustion characteristics of aircraft seat cushions under controlled aviation fuel fire exposure. The system integrates the FAA-approved NexGen aviation fuel burner with a specialized seat cushion test frame and dynamic motion system, enabling realistic simulation of aircraft cabin fire scenarios while accurately controlling and monitoring fuel and air parameters. Its modular architecture supports both current certification testing and future FAA technical upgrades.
Application
This system is applicable to aviation fuel fire testing of materials and components used in aircraft cabins, with a primary focus on:
Aircraft seat cushions
Seat cushion assemblies
Cushion covers and padding materials
Composite seat components related to fire performance
The FAA-approved NexGen burner provides standardized aviation fuel flame exposure, while the dedicated seat cushion test frame and dynamic motion system allow direct assessment of flame behavior, burning characteristics, and dripping performance under representative test conditions.
Standards
The system is designed to support testing in accordance with the following aerospace fire safety standards:
BSS 7303 – Combustion performance and flame spread behavior of aerospace composite materials
AITM 2.0009 – Determination of flame spread characteristics of aerospace materials
FAR Part 25 Appendix F Part II – Aircraft cabin material combustion, flame spread, and smoke toxicity requirements
Parameters
| Item | Specification |
|---|---|
| Overall dimensions | 1500 mm (W) × 1800 mm (H) × 900 mm |
| System weight | 150 kg |
| Power requirement | 220 V, 10 A |
| Operating temperature | 10°C to 35°C |
| Fuel type | Aviation kerosene |
| Air supply | Minimum 120 PSI compressed air |
| Flame temperature capability | ≥ 2000 ± 50 ℉ |
| Heat flux output | ≥ 10.6 W/cm² |
| Temperature control bath | ≥ 2 × 0.14 m³ |
Features
Uses the FAA-approved NexGen aviation fuel burner, developed to replace discontinued legacy burners (Park DPL 3400. Lennox OB-32. Carlin 200 CRD).
Retains the operating principles of previous burner generations while allowing more precise measurement of fuel and air test parameters.
Modular design supports future FAA upgrades without replacing the entire system.
The burner cone is fabricated from corrosion-resistant and high-temperature alloy for durability in severe thermal conditions.
The NexGen burner includes baffle, fuel nozzle, igniter, fuel rail, mounting plates, ventilation duct, housing, muffler, and acoustic resistance components.
Equipped with fuel pressure gauge, fuel solenoid valve, fuel temperature sensor, air pressure regulator, and air temperature sensor for stable control.
A temperature-controlled ice bath system (≥ 2 × 0.14 m³) allows regulation of fuel temperature before combustion.
Flame characteristics can be adjusted by changing the fuel nozzle and air pressure to meet different standard requirements.
The burner is covered with a thermal insulation blanket to protect fuel lines and the burner body.
Capable of delivering flame temperature of at least 2000 ± 50 ℉ and heat flux of at least 10.6 W/cm².
Mounted on a powder-coated steel frame with integrated digital scale for accurate positioning and measurement.
Includes a calibrated load cell weighing system.
Features a movable seat cushion test fixture and a movable drip collection tray.
Calibration uses a thermocouple comb composed of seven grounded K-type thermocouples (1.6 mm diameter, ceramic-insulated, metal-sheathed, 30 AWG wire), fixed on an angle bracket for standardized placement on the specimen frame.
Includes a radiant heat flux sensor with cooling system, installed on a fixed support bracket.
Accessories
The system is supplied with the following components:
NexGen aviation fuel burner
Seat cushion test frame
Dynamic motion system
Fuel temperature control ice bath
Thermocouple calibration comb
Radiant heat flux sensor with cooling unit
Powder-coated steel support frame with digital scale
Movable seat cushion test fixture
Movable drip collection tray
Burner thermal insulation blanket
Test Procedures
Mount the aircraft seat cushion specimen on the designated test frame.
Connect aviation kerosene supply and compressed air (≥120 PSI).
Set and stabilize fuel temperature using the ice bath system.
Adjust air pressure and fuel parameters according to the selected standard.
Ignite the NexGen burner and allow the flame to stabilize.
Position the flame relative to the specimen and begin exposure.
Monitor flame temperature and heat flux using thermocouples and sensors.
Observe flame spread, burning behavior, and dripping characteristics.
Record test data and evaluate results according to the applicable standard.
Maintenance Information
To ensure reliable and consistent operation:
Clean the fuel nozzle regularly to prevent blockage.
Inspect fuel lines and valves for leakage before each test.
Calibrate thermocouples and heat flux sensors periodically.
Replace the burner insulation blanket if damaged or degraded.
Maintain proper ventilation in the test area.
Keep the compressed air system dry and free from oil contamination.
Verify load cell calibration before formal certification tests.
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