Name | CLT_Room_Test_1-5
|
---|---|
Date | |
Description | Furnished room with 3 layers of type X gypsum on 3 walls and ceiling. Wall 1 is exposed CLT. Narrow door opening |
Specimen | furnished studio apartment, CLT wall
|
Ignition | natural gas burner
|
Project ID (s) | |
Test Director | Hoehler
|
Measurement | Value | Uc | Unit |
---|---|---|---|
Peak Heat Release Rate, PHRR
|
10,372
|
627
|
kW
|
Time to Peak Heat Release Rate
|
202.65
|
0.17
|
min
|
Total Heat Released, THR
|
53,580
|
3,338
|
MJ
|
Natural Gas Burner Total Heat Released, NGTHR
|
44.35
|
0.65
|
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
|
2,692
|
317
|
kg
|
Net Effective Heat of Combustion = THR / NM
|
Not measured | - | MJ/kg
|
O2 Yield = O2 Consumed / TFM
|
1.59
|
0.19
|
kg/kg
|
CO2 Yield = CO2 Generated / TFM
|
2.16
|
0.27
|
kg/kg
|
CO Yield = CO Generated / TFM
|
0.0327
|
0.0040
|
kg/kg
|
Soot Yield = Soot Generated / TFM
|
Not measured | - | kg/kg
|
Baseline Hood Exhaust Flow
|
94.9
|
2.8
|
kg/s
|
Test Duration = Time(Fire Out) - Time(Ignition)
|
219.52
|
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
|
1.000
|
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
|
10.90
|
burner off
|
|
3
|
11.70
|
flashover
|
|
4
|
47.65
|
room gas sample line fell -5 min
|
|
5
|
145.48
|
CLT delamination in progress
|
|
peak
|
202.65
|
Peak HRR
|
|
6
|
202.67
|
start water suppression
|
|
7
|
219.52
|
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