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Experimental Methodology for Estimation of Local Heat Fluxes and Burning Rates in Steady Laminar Boundary Layer Diffusion Flames
Published on: June 1, 2016
Effect of ignition condition on typical polymer's melt flow flammability
Xuegui Wang1, Xudong Cheng, Liming Li
1State Key Laboratory of Fire Science, University of Science and Technology of China (USTC), Jinzhai Road 96, Hefei 230027, PR China.
Ignition location significantly affects polypropylene (PP) fire behavior, influencing heat release, smoke, and toxicity. This study demonstrates a new method to analyze vertical polymer fires and pool fire interactions.
Area of Science:
- Fire Science
- Materials Science
Background:
- Polymer melt flow behavior is critical due to fire interactions.
- Understanding vertical polymer fires and induced pool fires is essential for safety.
Purpose of the Study:
- To quantitatively assess how ignition conditions influence polymer melt flow flammability.
- To investigate the interaction between vertical polymer fires and pool fires.
Main Methods:
- Utilized 4mm thick polypropylene (PP) sheets.
- Designed an experimental rig for vertical sheet and pool fire interaction studies.
- Conducted tests in an ISO9705 fire test room, measuring heat release rate and smoke parameters.
Main Results:
- Ignition location significantly impacted heat release rate development and peak values.
- Observed evident effects on smoke temperature, generation, and toxicity.
- Validated the experimental setup's feasibility for studying fire interactions.
Conclusions:
- Ignition conditions are a key factor in polymer fire flammability.
- The developed experimental setup shows promise for further research into polymer fire dynamics.
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