Aircraft Flammability Test Chamber , White 1200 Degree Vertical Flame Test

Product Specification

Aircraft Flammability Test Chamber , White 1200 Degree Vertical Flame Test Chamber

Scope of application:

Suitable for installation in fixed wing propeller aircraft, fixed-wing turbo jets, turbofan aircraft and helicopter equipment, flammability and fire resistance testing.

Meet the standard:

Compliance with RTCA do-160g-2010 26 and ccar25-r4 appendix F standard requirements.

Main features:

3.1 The laboratory can force ventilation and forced cooling ventilation, which can generate enough air flow to exhaust gas and smoke;

3.2 need standard heat flow density measurement device (device heat exchanger copper tube need to be able to resist combustion temperature of 1200 ℃).

3.3 The temperature, humidity and thermocouple temperature curves of the burner can be output.

3.4 The equipment has a set of high temperature multi-angle shooting machine to complete the test in the equipment;

3.5 The equipment is equipped with several independent high-temperature ceramic boxes to protect the cable and non-test equipment.

3.6 Equipment with adjustable, replaceable burning clamps for holding various products;

3.7 The equipment is equipped with a fuel supply system for kerosene fuel, which can provide sufficient reserves and fuel for the flame torch.

Main parameters:

4.1 instrument composition: the equipment is open structure. It consists of standard flame burner, coal oil storage tank, tank pressure device, thermocouple temperature measurement system, automatic control system and data collection and processing, etc.

4.2 standard flame burner:

4.2.1 Burner: for liquid fuel burner, a flame nozzle with flame diffuser, flame intensity adjustable, the geometry specification of diffuser and flame outlet;

4.2.2 The gun burner with extension tube is used with kerosene (see figure 26-16). Adjust fuel flow and air to achieve the desired flame characteristics;

4.2.3 The position of the flame torch and diffuser is adjustable, so that the flame emitted from the diffuser is ejected in any given direction, such as the flame vertical and horizontal

4.2.3 Flame temperature:

4.2.3.1 Temperature measurement thermocouple: the surface temperature of the sample can be monitored in real time, the material is Ni-Cr or Ni- Al, and the diameter of the sensor is 0.6mm~ 1.0mm. The outer diameter is no more than 3mm;

4.2.3.2. Temperature measurement of burner: using the rake-type thermocouple component measurement, the channel number is no less than 7, and the thermocouple is 100mm from the burner;

4.2.3.3 Burner temperature of 1100 ° C + 80 ° C. Temperature data is obtained at least every 30 seconds during the test period to ensure steady state conditions.

4.3 flame intensity (heat flow density measuring device) :

4.3.1 Heat flow density measuring device: composed of water cooled copper tube, thermocouple, flowmeter, regulating valve, low thermal conductivity material and burner; See figures 5 and 6

4.3.2 water-cooled copper tube: 380 mm long, 12 ~ 13 mm diameter, before the test before calibration, using high quality steel cotton to clean copper pipe, copper pipe inside the cooling water flow rate is adjustable, geometric sizes and installation specifications as shown in figure 5, figure 6;

4.3.3 Thermocouple: water temperature before and after measurement;

4.3.4 Flowmeter and regulating valve: the water flow rate of the regulating pipe is at least 500lb/HR;

4.3.5 The water temperature provided shall be between 10C and 21C;

4.3.6 The pipeline at both ends of low thermal conductivity material;

4.3.7 Burner: flame heat of more than 4,500Btu/HR for copper tube;

4.3.8 Burner heat transfer to the heat transfer copper tube and three minutes of heating to ensure the condition is stable. Then record the inlet and outlet water temperature at least every 30 seconds. To ensure that the minimum requirements are met when performing the calculation;

V4.3.9 standard density of heat flow measurement device, the device thermal conversion copper tube resistant to combustion temperature of 1200 ℃;

4.3.10 flame blowtorch can work continuously for 30min, and the time interval between two continuous working hours is less than 1h;

4.3.11 flame burner flames should be able to reach 1100 ℃ + 1100 ℃;