Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

CLT Room Test 1-6

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_1-6
Date 4/18/2017 9:51:29 AM
Description Furnished room witth 3 layers of type X gypsum on 3 walls. Wall 1 and ceiling is exposed CLT. Narrow door opening
Specimen furnished studio apartment, CLT wall and ceiling
Ignition natural gas burner
Project ID NRCC_CLT
Test Director M. Hoehler, J. Su


Timelapse Video with Heat Release Rate Plot:
Timelapse Video+HRR

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 13452 ±  1141 kW
Time to Peak Heat Release Rate 10.38 ±  0.17 min
Total Heat Released, THR 81484 ±  4884 MJ
Nat. Gas Burner Total Heat Released, NGTHR 24.97 ±  0.36 MJ
Heat Release Quality Confirmation, HRQC = THR/NGTHR 0 ±  0 MJ/MJ
Total Fuel Mass Burned, TFM = THR / HOCf 4095 ±  477 kg
O2 Yield = O2 Consumed / TFM 1.56 ±  0.19 kg/kg
CO2 Yield = CO2 Generated / TFM 2.09 ±  0.26 kg/kg
CO Yield = CO Generated / TFM 0.0161 ±  0.002 kg/kg
Soot Yield = Soot Generated / TFM NaN ±  NaN kg/kg
Baseline Hood Exhaust Flow 99.1 ±  3 kg/s
Test Duration = Time (Fire Out) - Time (Ignition) 192.53 ±  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
HRRplot
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 photo
2 9.8333 room flashover photo
3 159.9167 suppress photo
4 192.5333 Fire Out photo
5 10.38 Peak HRR photo

O2plot
CO2plot
COplot
MFReplot


Report Process Script Version = NFRL_Report71.m

 

Created February 27, 2020