Name | D2
|
---|---|
Date | |
Description | Fire Barrier: B9 , Cover Fabric: Cotton 2518.2g, Polyester 5295.6g, Polyurethane 5477.8g, Plywood 2595.8g, Barrier 2195.3g. |
Specimen | Chair mockup
|
Ignition | propane ring burner
|
Project ID (s) | |
Test Director | Zammarano
|
Measurement | Value | Uc | Unit |
---|---|---|---|
Peak Heat Release Rate, PHRR
|
498
|
27
|
kW
|
Time to Peak Heat Release Rate
|
45.68
|
0.17
|
min
|
Total Heat Released, THR
|
268
|
19
|
MJ
|
Natural Gas Burner Total Heat Released, NGTHR
|
3
|
- | MJ
|
Heat Release Quality Confirmation, HRQC
|
Not measured | - | MJ/MJ
|
Net Specimen Mass (gravimetric), NM = Mi-Mf
|
13.944
|
0.028
|
kg
|
Net Effective Heat of Combustion = THR / NM
|
19.2
|
1.4
|
MJ/kg
|
O2 Yield = O2 Consumed / NM
|
1.449
|
0.046
|
kg/kg
|
CO2 Yield = CO2 Generated / NM
|
1.674
|
0.060
|
kg/kg
|
CO Yield = CO Generated / NM
|
0.0572
|
0.0021
|
kg/kg
|
Soot Yield = Soot Generated / NM
|
0.0091
|
0.0049
|
kg/kg
|
Baseline Hood Exhaust Flow
|
20.51
|
0.62
|
kg/s
|
Test Duration = Time(Fire Out) - Time(Ignition)
|
60.40
|
0.03
|
min
|
Uc = Combined Expanded Uncertainty with 95% confidence level
Parameter | Value | Uc | Unit |
---|---|---|---|
Fuel Type
|
Composite
|
- | - |
Hood Size
|
6
|
- | m
|
Effective Duct Diameter
|
1.975
|
0.005
|
m
|
Exhaust Flow Correction Factor
|
1.028
|
0.029
|
- |
Net Heat of Combustion (per unit mass O2), Ef
|
13.10
|
0.52
|
MJ/kg
|
Net Heat of Combustion(per unit mass fuel), HOCf
|
20.00
|
0.60
|
MJ/kg
|
Initial Specimen Mass, Mi (gravimetric)
|
18.22
|
0.02
|
kg
|
Final Specimen Mass, Mf (gravimetric)
|
4.27
|
0.02
|
kg
|
Event | Time (min) | Description | Video Snapshot Image |
---|---|---|---|
1
|
0.00
|
Ignition
|
|
2
|
1.37
|
Fuel Off
|
|
3
|
17.18
|
Flaming dripping
|
|
4
|
42.67
|
Pool fire
|
|
peak
|
45.68
|
Peak HRR
|
|
5
|
60.10
|
cutting wire holding
|
|
6
|
60.35
|
water suppression
|
|
7
|
60.40
|
Fire Out
|
Bryant, R. and Bundy, M. The NIST 20 MW Calorimetry Measurement System for Large-Fire Research, Technical Note (NIST TN) 2077, 2019
https://doi.org/10.6028/NIST.TN.2077
NIST Fire Calorimetry Database (FCD)
https://doi.org/10.18434/mds2-2314