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CLT Room Test 1-3
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_1-3 |
| Date | 3/16/2017 10:19:16 AM |
| Description | Furnished room with 2 layers of type X gypsum on all walls and 3 layers on ceiling. Wall 1 is exposed CLT Double wide 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 | 14766 | ± 1230 | kW |
| Time to Peak Heat Release Rate | 12.93 | ± 0.17 | min |
| Total Heat Released, THR | 33811 | ± 2021 | MJ |
| Nat. Gas Burner Total Heat Released, NGTHR | 40.48 | ± 0.59 | MJ |
| Heat Release Quality Confirmation, HRQC = THR/NGTHR | 0 | ± 0 | MJ/MJ |
| Total Fuel Mass Burned, TFM = THR / HOCf | 1699 | ± 198 | kg |
| O2 Yield = O2 Consumed / TFM | 1.55 | ± 0.19 | kg/kg |
| CO2 Yield = CO2 Generated / TFM | 1.99 | ± 0.24 | kg/kg |
| CO Yield = CO Generated / TFM | 0.0693 | ± 0.0084 | kg/kg |
| Soot Yield = Soot Generated / TFM | NaN | ± NaN | kg/kg |
| Baseline Hood Exhaust Flow | 101.1 | ± 3 | kg/s |
| Test Duration = Time (Fire Out) - Time (Ignition) | 247.3 | ± 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 |  |
| 2 | 12.5167 | flashover |  |
| 3 | 89.3 | delamination of first layer of CLT in progress |  |
| 4 | 167.85 | start of delamination on second layer of CLT |  |
| 5 | 241.9167 | Start water suppression |  |
| 6 | 247.3 | Fire Out |  |
| 7 | 12.93 | Peak HRR |  |
Report Process Script Version = NFRL_Report71.m