Study on Combustion Characteristics of Combustibles in Van-type Transport Vehicle

WANG Yijun; HU Yupeng; CHEN Shenglai; JI Jie; LI Minghai

doi:10.7643/issn.1672-9242.2025.08.016

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Equipment Environmental Engineering ›› 2025, Vol. 22 ›› Issue (8) : 130-136. DOI: 10.7643/issn.1672-9242.2025.08.016

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Study on Combustion Characteristics of Combustibles in Van-type Transport Vehicle

WANG Yijun¹, HU Yupeng¹, CHEN Shenglai¹, JI Jie², LI Minghai¹

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Abstract

The work aims to research the combustion characteristics of combustibles in van-type transport vehicles (such as combustion process, heat release rate (HRR), and ignition point, etc. to provide basis data for numerical simulation and safety analysis of van-type transport vehicles under fire accidents. Eight kinds of combustibles, including seat foam, seat fabric cover, rubber tires, wood plywood, aluminum-plastic panels, floor leather, cable insulation and wires, were identified and made into standard samples by analyzing the combustibles of van-type transport vehicles. The heat release rate (HRR) of samples was tested by cone calorimeter to obtain HRR-time curves and the HRR peak value, etc. A K-type thermocouple was installed on the surface of the sample to measure the ignition temperature. Meanwhile, the combustion process of combustible samples was recorded by camera. The seat foam combustion mode was unimodal, the maximum HRRPUA (heat release rate per unit area) was 236 kW/m² and the ignition temperature was 216.5 ℃. The burning mode of seat surface fabric was unimodal, the maximum HRRPUA was 54 kW/m²and the ignition temperature was 135 ℃. The combustion mode of rubber tire was bimodal, the maximum HRRPUA was 166.8 kW/m² and 530 kW/m² respectively, the ignition temperature was 337.1 ℃, and the combustion time was the longest. The burning mode of wood plywood was bimodal, the maximum HRRPUA was 117 kW/m² and 159 kW/m² respectively, and the ignition temperature was 186.6 ℃. The combustion mode of aluminum-plastic plate was bimodal superposition mode, the maximum HRRPUA was 210 kW/m²and the ignition temperature was 167.2 ℃. The combustion mode of floor leather was unimodal, the maximum HRRPUA was 103 kW/m² and the ignition temperature was 145 ℃. The burning mode of cable insulation skin was unimodal, the maximum HRRPUA was 374 kW/m²and the ignition temperature was 167.9 ℃. The maximum HRRPUA was 105 kW/m² and the ignition temperature was 194 ℃. The combustion characteristics and parameters of 8 kinds of combustibles are obtained, such as combustion mode, HRRPUA-time curves, ignition temperature, which provide basic data for numerical simulation of Van-type transport vehicle fire.

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van-type transport vehicle / combustibles / combustion performance / heat release rate (HRR) / ignition temperature

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WANG Yijun, HU Yupeng, CHEN Shenglai, JI Jie, LI Minghai. Study on Combustion Characteristics of Combustibles in Van-type Transport Vehicle[J]. Equipment Environmental Engineering. 2025, 22(8): 130-136 https://doi.org/10.7643/issn.1672-9242.2025.08.016

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