Airflow in underground railway station platforms is turbulent. Boundary conditions and proper turbulence model are required to determine when adopting CFD to simulate platform ventilation.
地铁站台的气流流动属湍流流动，采用CFD对站台通风方式进行模拟时需要确定相关的边界条件和适用的湍流模型。
Besides, it indicate that it's feasible to utilize CFD software with suitable coefficient and boundary conditions to simulate the airflow organization to instruct the design of ventilation.
模拟结果同时表明，通过应用CFD软件并设定好相关参数及边界条件对室内气流组织进行模拟研究，可用来指导通风设计工作。
Based on hydromechanics affinity theory and major control factor of highway tunnel ventilation, the paper had made certain highway tunnel ventilation boundary condition.
根据流动相似性理论和隧道通风主要控制因素，确定隧道通风的边界条件；
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