| 夏云春,王清安.旋转火焰动力学特性的研究[J].火灾科学,2003,12(4):209-212. |
| 旋转火焰动力学特性的研究 |
| Study on the Dynamic Characteristics of Fire Whirl |
| 投稿时间：2003-05-30 修订日期：2003-09-17 |
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| DOI：10.3969/j.issn.1004-5309.年.期.顺序 |
| 基金项目:国家自然科学基金重点项目资助(59936140) |
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| 中文关键词: 旋转火焰 动力学特性 旋转方向 |
| 英文关键词:Fire whirl dynamic characteristics rotating direction |
| 摘要点击次数: 468 |
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| 中文摘要: |
| 在森林火灾中,出现旋转火焰的可能性很大。在大气环境中,由于局部温度的不均匀,从而导致气体的密度不均匀,这种气体密度的不均匀分布必然会在火焰内部和其周围环境之间产生一个压力差,引起气体的流动,同时由于火焰内部的斜压性,在受到地球Coriolis力的影响时,使火焰产生旋转,形成旋转火焰;同时,Coriolis力也会影响到旋转火焰的方向性。 |
| 英文摘要: |
| In the forest fire, fire whirl wind often appears. In the atmospheric surroundings, the gas density of flame is non uniformity because of the non uniformity of its temperature, and this non uniformity can produce a difference between the flame and its surroundings. Moreover, because of the Coroilis force, a fire whirl will be produced; Furthermore, the Coroilis force also has an effect on the rotating direction of fire whirl. |
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