文章摘要信息 关键词 ： 采空区流场 瓦斯流动规律 CFD模拟 [gap=671]Keywords : flow field in goaf；gas flow patterns；CFD simulation
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flow patterns of gas stream 气体流动模型
It was found that there are two flow patterns in one rolling period under some gas flux and water flux.
实验结果表明，在一些气-水流量区域，两相流体在一个摇摆周期内存在两种流动型式。
The diffusion theory of vortex is also used in the model to set up the diffusion equation of gas, and the barrier caused by the variation of flow patterns inside the flow field is resolved.
在模型中引入涡扩散理论建立了扩散方程，解决了气液两相数值模拟中流型变化带来的复杂问题。
The gas flow in blast furnace with various burden charge patterns has been analyzed by numerical simulation with finite difference method.
用有限差分法对高炉内气体流动行为进行了数值解析，并系统地分析了不同料床结构对气体流动行为的影响。
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