不同湍流模型对山区地形气体泄漏CFD模拟影响的研究
首发时间:2011-09-07
摘要:主要探讨不同湍流模型对实际山区地形三维模型气体泄漏模拟的影响。以普光某气田为例建模,根据山区地形风场模拟和气体泄漏模拟的要求划分网格。然后选用不同的湍流模型进行模拟,对比结果得到不同湍流模型的选择对山区地形风场试算和气体泄漏没有明显的影响。以上研究对今后山区地形气体泄漏的模拟具有参考价值。
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The study of different turbulence model affection on CFD simulation in mountain terrain
Abstract:The different turbulence model affection on the CFD simulation in the actual surface of the mountain terrain were discussed in this paper. Establish the model based on some gas field of Puguang. According to the request of the wind field simulation and mountain terrain LNG leakage trial at the mountain terrain special surface, get the grids. Then choose different turbulence model to simulate, the result is that it almost has no effect on the wind field simulation and mountain terrain LNG leakage trial. The research has reference value to the simulation at the gas leakage in mountain terrain special surface in the future.
Keywords: CFD Grid Complex terrain turbulence boundary condition
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