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CLT Room Test 1-5
Hoehler, M. Dataset from Fire Safety Challenges of Tall Wood Buildings - Phase 2: Task 3 - Cross Laminated Timber Compartment Fire Tests, 2017 https://doi.org/10.18434/T4/1422512
Table 1. Test Information
| Name | CLT_Room_Test_1-5 |
| Date | 4/13/2017 9:49:48 AM |
| 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 | NRCC_CLT |
| Test Director | M. Hoehler, J. Su |
Timelapse Video with Heat Release Rate Plot:
Download Data Files:
CSV-Datafile
Preliminary Report PDF file
Preliminary Report XLSX file
Table 2. Summary of Test Results
| Measurement | Value | Uc | Unit |
|---|---|---|---|
| Peak Heat Release Rate, PHRR | 10808 | ± 954 | kW |
| Time to Peak Heat Release Rate | 202.65 | ± 0.17 | min |
| Total Heat Released, THR | 55831 | ± 3341 | MJ |
| Nat. Gas Burner Total Heat Released, NGTHR | 44.35 | ± 0.65 | MJ |
| Total Fuel Mass Burned, TFM = THR / HOCf | 2806 | ± 327 | kg |
| O2 Yield = O2 Consumed / TFM | 1.59 | ± 0.19 | kg/kg |
| CO2 Yield = CO2 Generated / TFM | 2.16 | ± 0.26 | kg/kg |
| CO Yield = CO Generated / TFM | 0.0327 | ± 0.004 | kg/kg |
| Soot Yield = Soot Generated / TFM | NaN | ± NaN | kg/kg |
| Baseline Hood Exhaust Flow | 98.9 | ± 3 | kg/s |
| Test Duration = Time (Fire Out) - Time (Ignition) | 219.52 | ± 0.03 | min |
Table 3. Summary of Test Input Parameters
| Parameter | Value | Uc | Unit |
|---|---|---|---|
| Fuel Type | Cellulose, Plastics | - | - |
| Hood Size | 15 | - | m |
| Effective Duct Diameter | 2.424 | ± 0.005 | m |
| Exhaust Flow Correction Factor | 1.042 | ± 0.029 | - |
| Net Heat of Combustion (per unit mass O2), Ef | 13.1 | ± 0.66 | MJ/kg |
| Net Heat of Combustion (per unit mass fuel), HOCf | 19.9 | ± 2 | MJ/kg |
| Initial Specimen Mass, Mi (gravimetric) | NaN | ± NaN | kg |
| Final Specimen Mass, Mf (gravimetric) | NaN | ± NaN | kg |
Uc = Combined Expanded Uncertainty with 95% confidence level
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
Figure 1. Plot of Heat Release Rate data with event markers and error bars shown at peak.
Table 4. Summary of Observed Test Events
| Event # | Time (min) | Description | Video Snapshot Image |
| 1 | 0 | Ignition | Not available |
| 2 | 10.9 | burner off |  |
| 3 | 11.7 | flashover |  |
| 4 | 47.65 | room gas sample line fell -5 min |  |
| 5 | 145.4833 | CLT delamination in progress |  |
| 6 | 202.6667 | start water suppression |  |
| 7 | 219.5167 | Fire Out |  |
| 8 | 202.65 | Peak HRR |  |
Report Process Script Version = NFRL_Report71.m