Experimental study on smoke temperature distribution characteristics in corridors of crew cabins

Table 1. Experimental conditions
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Table 1. Experimental conditions
工况油盘直径D/cm 燃烧时间t/s 热释放速率Q/kW 梯口状态
1 8 937 2.34 梯口关闭，单层流动
2 10 805 3.76
3 12 523 5.10
4 15 477 13.73
5 10 826 3.94 梯口开启，跨3层流动
6 12 500 4.87
7 15 466 13.64

Table 2. Maximum temperature rise of smoke at ladder openings
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Table 2. Maximum temperature rise of smoke at ladder openings
梯口位置温升/℃
D = 10 cm D = 12 cm D = 15 cm
A 11.4 25.3 38.9
B 3.8 4.4 4.3
C 8.3 10.7 13.0
D 5.0 5.4 5.0

Table 3. Attenuation coefficient of smoke temperature at different oil pool sizes
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Table 3. Attenuation coefficient of smoke temperature at different oil pool sizes
油盘直径D/cm 直走廊弯折走廊
温度衰减系数k 拟合度R² 温度衰减系数k 拟合度R²
8 0.21 0.57 0.12 0.93
10 0.22 0.93 0.15 0.95
12 0.25 0.95 0.18 0.96
15 0.35 0.93 0.25 0.97

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Zhiqiang ZHAO, Xiao CHEN, Shouxiang LU, Ning KANG, Yi ZHANG, Jinbo WANG. Experimental study on smoke temperature distribution characteristics in corridors of crew cabins[J]. Chinese Journal of Ship Research, 2023, 18(6): 119

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