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Test022_WeldingBlanket_R2
| Name | Test022_WeldingBlanket_R2
|
|---|---|
| Date | |
| Description | 1 m x 2 m welding blanket. Ignition=heptane wick |
| Specimen | welding blanket
|
| Ignition | heptane wick
|
| Project ID (s) | |
| Test Director | McGrattan
|
Timelapse Video with Heat Release Rate Plot
| Measurement | Value | Uc | Unit |
|---|---|---|---|
| Peak Heat Release Rate, PHRR
|
2.19
|
0.24
|
kW
|
| Time to Peak Heat Release Rate
|
0.60
|
0.17
|
min
|
| Total Heat Released, THR
|
0.245
|
0.090
|
MJ
|
| Gas Burner Total Heat Released, NGTHR
|
0
|
- | MJ
|
| Heat Release Quality Confirmation, HRQC
|
Not measured | - | MJ/MJ
|
| Net Specimen Mass (gravimetric), NM = Mi-Mf
|
below detection limit
|
0.028
|
kg
|
| Net Effective Heat of Combustion = THR / NM
|
below detection limit
|
692,060
|
MJ/kg
|
| O2 Yield = O2 Consumed / NM
|
below detection limit
|
51,090
|
kg/kg
|
| CO2 Yield = CO2 Generated / NM
|
below detection limit
|
51,113
|
kg/kg
|
| CO Yield = CO Generated / NM
|
below detection limit
|
905
|
kg/kg
|
| Soot Yield = Soot Generated / NM
|
below detection limit
|
67
|
kg/kg
|
| Baseline Hood Exhaust Flow
|
1.996
|
0.060
|
kg/s
|
| Test Duration = Time(Fire Out) - Time(Ignition)
|
5.22
|
0.03
|
min
|
Uc = Combined Expanded Uncertainty with 95% confidence level
| Parameter | Value | Uc | Unit |
|---|---|---|---|
| Fuel Type
|
Fiberglass
|
- | - |
| 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
|
15.00
|
3.00
|
MJ/kg
|
| Initial Specimen Mass, Mi (gravimetric)
|
1.69
|
0.02
|
kg
|
| Final Specimen Mass, Mf (gravimetric)
|
1.69
|
0.02
|
kg
|
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