| Budget Amount *help |
¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
Fiscal Year 2020: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2019: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
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| Outline of Final Research Achievements |
Fire whirl is a tornado-like vortex of flame associated with urban fires, which would cause extensive human and property damages if occurred. However, to date, the occurrence condition of fire whirls has not been fully investigated. The issues that have been addressed in this study are as follows: 1) development of a statistical model for the post-earthquake ignition probability considering inter-earthquake heterogeneity; 2) development of a similarity model for the temperature field downwind of a fire source in cross-wind for reducing computational cost of fire spread simulation; and 3) wind tunnel experiments for investigating the occurrence conditions of fire whirls. These results can be used to evaluate the occurrence probability of fire whirls in contemporary cities by integrating them into the fire spread simulation.
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