Name | Kitchen Room Fire
|
---|---|
Date | |
Description | Kitchen Room Fire Scenario. Cold Formed Steel (CFS) rear wall with Oriented Stand Board (OSB). Six inch cast iron pan on gas stovetop filled with 500 mL canola oil. |
Specimen | kitchen room with OSB back wall
|
Ignition | stovetop heating element
|
Project ID (s) | |
Test Director | Hoehler
|
Measurement | Value | Uc | Unit |
---|---|---|---|
Peak Heat Release Rate, PHRR
|
7,585
|
451
|
kW
|
Time to Peak Heat Release Rate
|
34.28
|
0.17
|
min
|
Total Heat Released, THR
|
6,813
|
423
|
MJ
|
Natural Gas Burner Total Heat Released, NGTHR
|
0
|
- | 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
|
227
|
27
|
kg
|
Net Effective Heat of Combustion = THR / NM
|
Not measured | - | MJ/kg
|
O2 Yield = O2 Consumed / TFM
|
2.34
|
0.29
|
kg/kg
|
CO2 Yield = CO2 Generated / TFM
|
3.08
|
0.38
|
kg/kg
|
CO Yield = CO Generated / TFM
|
0.0502
|
0.0062
|
kg/kg
|
Soot Yield = Soot Generated / TFM
|
Not measured | - | kg/kg
|
Baseline Hood Exhaust Flow
|
58.9
|
1.8
|
kg/s
|
Test Duration = Time(Fire Out) - Time(Ignition)
|
83.08
|
0.03
|
min
|
Uc = Combined Expanded Uncertainty with 95% confidence level
Parameter | Value | Uc | Unit |
---|---|---|---|
Fuel Type
|
Cellulose, Plastic
|
- | - |
Hood Size
|
15
|
- | m
|
Effective Duct Diameter
|
2.424
|
0.005
|
m
|
Exhaust Flow Correction Factor
|
1.042
|
0.032
|
- |
Net Heat of Combustion (per unit mass O2), Ef
|
13.10
|
0.66
|
MJ/kg
|
Net Heat of Combustion(per unit mass fuel), HOCf
|
30.00
|
3.00
|
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
|
9.47
|
VR cam start
|
|
3
|
12.63
|
smoke alarm activation
|
|
4
|
17.52
|
Pan Ignition
|
|
5
|
26.87
|
flashover
|
|
peak
|
34.28
|
Peak HRR
|
|
6
|
43.33
|
osb fire inside wall
|
|
7
|
53.18
|
external osb Ignition
|
|
8
|
63.32
|
wall osb collapse
|
|
9
|
68.08
|
more osb collapse
|
|
10
|
80.63
|
start water suppression
|
|
11
|
83.08
|
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