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CornerTest2
| Name | CornerTest2
|
|---|---|
| Date | |
| Description | Mockup room corner test of furniture ignition for CLT project with NRCC. Shelf loading with pine crib stick and kitchen table with 6 chairs. 12 ft corner with 8ft ceiling and no soffit. Ignite with 50 kW natural gas burner. Repeat of test 1 with Gas Rack and FTIR |
| Specimen | room corner mockup
|
| Ignition | natural gas burner
|
| Project ID (s) | |
| Test Director | Hoehler
|
Timelapse Video with Heat Release Rate Plot
| Measurement | Value | Uc | Unit |
|---|---|---|---|
| Peak Heat Release Rate, PHRR
|
2,083
|
124
|
kW
|
| Time to Peak Heat Release Rate
|
24.30
|
0.17
|
min
|
| Total Heat Released, THR
|
1,572
|
97
|
MJ
|
| Natural Gas Burner Total Heat Released, NGTHR
|
32.78
|
0.47
|
MJ
|
| Heat Release Quality Confirmation, HRQC
|
Not measured | - | MJ/MJ
|
| Net Specimen Mass (gravimetric), NM = Mi-Mf
|
Not measured | - | kg
|
| Total Fuel Mass Burned, TFM = THR / HOCf
|
79.0
|
9.3
|
kg
|
| Net Effective Heat of Combustion = THR / NM
|
Not measured | - | MJ/kg
|
| O2 Yield = O2 Consumed / TFM
|
1.52
|
0.18
|
kg/kg
|
| CO2 Yield = CO2 Generated / TFM
|
1.93
|
0.24
|
kg/kg
|
| CO Yield = CO Generated / TFM
|
0.0243
|
0.0030
|
kg/kg
|
| Soot Yield = Soot Generated / TFM
|
Not measured | - | kg/kg
|
| Baseline Hood Exhaust Flow
|
21.50
|
0.65
|
kg/s
|
| Test Duration = Time(Fire Out) - Time(Ignition)
|
43.67
|
0.03
|
min
|
Uc = Combined Expanded Uncertainty with 95% confidence level
| Parameter | Value | Uc | Unit |
|---|---|---|---|
| Fuel Type
|
Cellulose, Plastic
|
- | - |
| Hood Size
|
6
|
- | m
|
| Effective Duct Diameter
|
1.975
|
0.005
|
m
|
| Exhaust Flow Correction Factor
|
1.000
|
0.029
|
- |
| Net Heat of Combustion (per unit mass O2), Ef
|
13.10
|
0.66
|
MJ/kg
|
| Net Heat of Combustion(per unit mass fuel), HOCf
|
19.90
|
2.00
|
MJ/kg
|
| Initial Specimen Mass, Mi (gravimetric)
|
Not measured | - | kg
|
| Final Specimen Mass, Mf (gravimetric)
|
Not measured | - | kg
|
| Event | Time (min) | Description | Video Snapshot Image |
|---|---|---|---|
| 1
|
0.00
|
Ignition
|
|
| 2
|
10.28
|
chair ignition
|
|
| 3
|
10.47
|
Gas burner off
|
|
| 4
|
14.18
|
FTIR pump on
|
|
| 5
|
15.50
|
Table ignition
|
|
| 6
|
23.67
|
all chairs ignited
|
|
| peak
|
24.30
|
Peak HRR
|
|
| 7
|
28.37
|
table collapse
|
|
| 8
|
39.05
|
start water suppression
|
|
| 9
|
43.67
|
Fire Out
|
|
Table 5. Supplemental Data Plots
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