2011 Fiscal Year Final Research Report
A High Accuracy/Low Computational Cost Explosion Simulator
| Project/Area Number |
22710158
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Social systems engineering/Safety system
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| Research Institution | Yamagata University |
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Principal Investigator |
KUWANA Kazunori 山形大学, 大学院・理工学研究科, 准教授 (30447429)
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| Project Period (FY) |
2010 – 2011
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| Keywords | 爆発 / 事故 / 被害予測 / 数値流体力学 / 予混合火炎 / 不安定性 |
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| Research Abstract |
To develop a high accuracy/low computational cost explosion simulator, a leakage/diffusion module and a flame propagation module were developed and validated. The leakage/diffusion module considers the atomization and evaporation of a combustible liquid out of a raptured pipe and simulates the formation of a combustible vapor cloud. The flame propagation module considers the acceleration of flame due to hydrodynamic instability based on a fractal concept. Methods to easily determine the flame fractal dimension were also discussed.
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