| 水平风作用下火羽流的质量流率 |
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| 引用本文： | 易亮,杨洋,李勇,徐志胜.水平风作用下火羽流的质量流率[J].燃烧科学与技术,2011,17(6):505-511. |
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| 作者姓名： | 易亮 杨洋 李勇 徐志胜 |
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| 作者单位： | 中南大学防灾科学与安全技术研究所,长沙,410075 |
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| 基金项目： | 中南大学自由探索计划资助项目(201012200070);中南大学研究生学位论文创新基金资助项目(2010ssxt038) |
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| 摘 要： | 在理想羽流和横流中射流思想的基础上,考虑水平风的影响,提出一个预测有风条件下羽流质量流率的理论模型.模型把羽流发展分成势流核心区、羽流弯曲段和顺流贯穿段3段,并假设有风条件下羽流截面形状仍然为圆形,垂直方向上横截面尺寸(半径)与高度为指数函数关系.采用量纲分析,获得水平风作用下非受限空间羽流质量流率理论公式,通过CFD...
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| 关 键 词： | 水平风 羽流 质量流率 数值模拟 |
Mass Flow Rate of Plume Under Horizontal Wind |
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| YI Liang,YANG Yang,LIYong,XU Zhi-sheng.Mass Flow Rate of Plume Under Horizontal Wind[J].Journal of Combustion Science and Technology,2011,17(6):505-511. |
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| Authors: | YI Liang YANG Yang LIYong XU Zhi-sheng |
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| Affiliation: | YI Liang,YANG Yang,LI Yong,XU Zhi-sheng(Institute of Disaster Prevention Science and Safety Technology,Central South University,Changsha 410075,China) |
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| Abstract: | A model predicting mass flow rate of plume under horizontal wind based on the theory of plume and jet in cross flow is proposed.In this model,the plume is separated into three regions,which are core potential flow region,plume bending region and throughout uniflow region.Cross section of plume is assumed to be circular under wind,and its diameter is the exponential function of height.Dimensional analysis is adopted to obtain the theoretical formula of mass flow rate of plume under horizontal wind,and CFD si... |
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| Keywords: | horizontal wind plume mass flow rate numerical simulation |
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