Experimental study on width effects on downward flame spread over thin PMMA under limited distance condition

Gao, Shuai; Zhu, Guoqing; Gao, Yunji; Zhou, Jingran

doi:10.1016/j.csite.2018.100382

Cited by 11 publications

(3 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Flame spread rate is defined as the spread rate of the pyrolysis front [ 5 , 14 , 28 , 40 , 41 ]. The flame spread rate may be influenced with chemical structure of materials.…”

Section: Resultsmentioning

confidence: 99%

“…The typical change curve of the pyrolysis front position versus time is shown in Figure 9 a. Linear fitting of Figure 9 a is conducted, and the slope of the fitting line is the experimental flame spread rate [ 5 , 14 , 28 , 40 , 41 ]. The experimental flame spread rates under different structure factors and fuel coverages are shown in Figure 9 b.…”

Section: Resultsmentioning

confidence: 99%

“…They proposed a correlation among pyrolysis length, sample width and ceiling inclination. Gao et al [ 14 ] found the flame spread rate of PMMA is proportional to flame width under the influence of curtain wall channel. The flame height increased linearly with time.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Thermodynamic and Kinetic Characteristics of Combustion of Discrete Polymethyl Methacrylate Plates with Different Spacings in Concave Building Facades

Peng

Cai

et al. 2021

Polymers

View full text Add to dashboard Cite

Polymethyl methacrylate plates are widely applied to buildings, producing significant fire hazards. It lacks a theoretical basis for the fire risk assessment of polymethyl methacrylate in concave building facades. Therefore, experimental methods are used to investigate combustion characteristics of discrete polymethyl methacrylate plates in a concave building facade. Influences of fuel coverage and structure factor are investigated, which is scant in previous works. When structure factor is invariable, average flame height increases first and then decreases as fuel coverage increases, and the turning point is between 0.64 and 0.76. In total, three different patterns of pyrolysis front propagation are first observed for different fuel coverages. Flame spread rate first increases and then decreases as fuel coverage rises, and the turning point is also between 0.64 and 0.76. When fuel coverage is invariable, the flame spread rate first increases and then decreases with increasing structure factor, and the turning point is 1.2. A model for predicting the flame spread rate of discrete polymethyl methacrylate is also developed. The predicted values are consistent with experimental results. Fuel spread rate of discrete polymethyl methacrylate rises as the fuel coverage increases. The above results are beneficial for thermal hazard evaluation and fire safety design of polymethyl methacrylate used in buildings.

show abstract

“…Flame spread rate is defined as the spread rate of the pyrolysis front [ 5 , 14 , 28 , 40 , 41 ]. The flame spread rate may be influenced with chemical structure of materials.…”

Section: Resultsmentioning

confidence: 99%