环流式旋风除尘器内流场的数值模拟Numerical Simulation of Flow Field in Circumfluent Cyclone Separator
谷新春,王伟文,王立新,陈光辉,李建隆
摘要(Abstract)：
采用CFD模拟软件Fluent 6.2提供的雷诺应力模型(RSM)对环流式旋风除尘器内的流场进行了数值模拟研究。并与热线热膜风速仪实验测试结果进行了比较。模拟结果与实验结果基本吻合。结果表明:环流式旋风除尘器特殊的流路设计,避免了内外旋涡的相互干扰,增强了旋转速度,规整了流形,减小了强湍流对性能的影响,消除了旋风除尘器易产生的短路流和二次返混,提高了除尘效率,降低了设备的压降。通过对影响除尘器性能的局部涡进行分析,为进一步优化结构提供了参考依据。
关键词(KeyWords)： 环流式旋风除尘器;流场模拟;雷诺应力模型;计算流体力学
基金项目(Foundation): 国家自然科学基金资助项目(20276031)
作者(Author): 谷新春,王伟文,王立新,陈光辉,李建隆
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