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首页> 外文会议>25th Conference on Agricultural and Forest Meteorology and 12th Joint Conference on the Applications of Air Pollution Meteorology with Aamp;WMA and Fourth Symposium on the Urban Environment May 20-24, 2002 Norfolk, Virginia >BUILDINGS EFFECTS ON THERMAL STRATIFICATION DURING THE MUST TRIALS
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BUILDINGS EFFECTS ON THERMAL STRATIFICATION DURING THE MUST TRIALS

机译：在必须试用期间建筑物对热分层的影响

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摘要

Several interesting features associated with flow in the first canyon of the array under stable atmospheric conditions (for the night analyzed) have been identified, including: the existence of a persistent warm thermal plume in the wake of the building and a well-mixed wake with strong stable stratification above the building height associated with the upstream flow. During the nighttime period studied, however, the air within the canyon is stably stratified. This stable-stratification effects the turbulent stress distribution within the canopy by lowering the height of the peak shear stress level.
机译：在稳定的大气条件下（分析的夜晚），与阵列第一个峡谷中的水流相关的几个有趣特征已经确定，包括：建筑物尾部存在持续的温暖的热羽流，而尾流与尾部充分混合。在与上游水流相关的建筑物高度以上有很强的稳定分层。但是，在所研究的夜间，峡谷内的空气被稳定地分层。这种稳定的分层通过降低峰值剪切应力水平的高度来影响顶篷内的湍流应力分布。

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