室内空气对流热运动的RNG改良模型及其验证被引量：2

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摘要本文针对室内普遍存在的空气热分层流现象及其空间湍流基本特征,提出了一种适用的湍流模型——改良型的RNG双方程模型,并配以改良的复合型壁面函数,以适应空气热分层对流运动中产生的空间湍流衰减问题,精确求解高、低Re数湍流共存的室内流场。在此基础上,采用方腔混合对流和AR=1/2双跨空间高Re数流动的实验数据,对湍流改良模型进行了充分的验证,为相关问题的研究及工程应用提供了有效手段。

作者高军张旭赵加宁高甫生

机构地区同济大学机械工程学院暖通空调及燃气研究所哈尔滨工业大学市政环境工程学院

出处《建筑科学》北大核心 2010年第10期324-331,共8页 Building Science

基金国家自然科学基金项目(50908163) 污染控制与资源化研究国家重点实验室开放课题基金项目(PCRRF09009)

关键词室内对流湍流热分层流 RNG模型

分类号 TU111.193 [建筑科学—建筑理论]

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