Name | Test085_PatioChair_R2
|
---|---|
Date | |
Description | Plastic chair. Ignition=8 cm pilot flame at base of leg |
Specimen | Plastic chair
|
Ignition | propane flame
|
Project ID (s) | |
Test Director | McGrattan
|
Measurement | Value | Uc | Unit |
---|---|---|---|
Peak Heat Release Rate, PHRR
|
159.9
|
9.6
|
kW
|
Time to Peak Heat Release Rate
|
40.08
|
0.17
|
min
|
Total Heat Released, THR
|
102.6
|
6.7
|
MJ
|
Gas Burner Total Heat Released, NGTHR
|
-1
|
- | 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
|
2.63
|
0.23
|
kg
|
Net Effective Heat of Combustion = THR / NM
|
Not measured | - | MJ/kg
|
O2 Yield = O2 Consumed / TFM
|
2.77
|
0.26
|
kg/kg
|
CO2 Yield = CO2 Generated / TFM
|
2.60
|
0.25
|
kg/kg
|
CO Yield = CO Generated / TFM
|
0.0226
|
0.0022
|
kg/kg
|
Soot Yield = Soot Generated / TFM
|
0.056
|
0.012
|
kg/kg
|
Baseline Hood Exhaust Flow
|
3.144
|
0.094
|
kg/s
|
Test Duration = Time(Fire Out) - Time(Ignition)
|
65.10
|
0.03
|
min
|
Uc = Combined Expanded Uncertainty with 95% confidence level
Parameter | Value | Uc | Unit |
---|---|---|---|
Fuel Type
|
Plastic
|
- | - |
Hood Size
|
3
|
- | m
|
Effective Duct Diameter
|
0.485
|
0.005
|
m
|
Exhaust Flow Correction Factor
|
1.033
|
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
|
39.00
|
2.30
|
MJ/kg
|
Initial Specimen Mass, Mi (gravimetric)
|
3.11
|
0.02
|
kg
|
Final Specimen Mass, Mf (gravimetric)
|
Not measured | - | kg
|
Event | Time (min) | Description | Video Snapshot Image |
---|---|---|---|
1
|
0.00
|
Ignition
|
|
2
|
3.02
|
remove pilot flame
|
|
3
|
32.83
|
poked specimen ( to keep it in the pan)
|
|
4
|
35.43
|
poked again
|
|
peak
|
40.08
|
Peak HRR
|
|
5
|
65.07
|
Suppression
|
|
6
|
65.10
|
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