Name | Test30_2trashCanRagsPaper_r1
|
---|---|
Date | |
Description | 2 trashcans filled with mix of rags and crinkle paper. 2 wicks soaked in 10 mL each, one placed in center of each can, ignition marked as wick is lit with torch. |
Specimen | plastic trashcan filled with cotton rags and paper
|
Ignition | acetone wicks
|
Project ID (s) | |
Test Director | McGrattan
|
Measurement | Value | Uc | Unit |
---|---|---|---|
Peak Heat Release Rate, PHRR
|
462
|
29
|
kW
|
Time to Peak Heat Release Rate
|
8.08
|
0.17
|
min
|
Total Heat Released, THR
|
370
|
26
|
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
|
18.160
|
0.028
|
kg
|
Net Effective Heat of Combustion = THR / NM
|
20.4
|
1.4
|
MJ/kg
|
O2 Yield = O2 Consumed / NM
|
1.499
|
0.048
|
kg/kg
|
CO2 Yield = CO2 Generated / NM
|
1.753
|
0.063
|
kg/kg
|
CO Yield = CO Generated / NM
|
0.0321
|
0.0012
|
kg/kg
|
Soot Yield = Soot Generated / NM
|
0.0086
|
0.0018
|
kg/kg
|
Baseline Hood Exhaust Flow
|
17.41
|
0.52
|
kg/s
|
Test Duration = Time(Fire Out) - Time(Ignition)
|
61.08
|
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
|
1.028
|
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
|
20.00
|
4.00
|
MJ/kg
|
Initial Specimen Mass, Mi (gravimetric)
|
19.11
|
0.02
|
kg
|
Final Specimen Mass, Mf (gravimetric)
|
0.95
|
0.02
|
kg
|
Event | Time (min) | Description | Video Snapshot Image |
---|---|---|---|
1
|
0.00
|
Ignition
|
|
peak
|
8.08
|
Peak HRR
|
|
2
|
31.25
|
stir embers
|
|
3
|
61.08
|
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