水面薄层热结构变性的实验室模拟研究
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摘要: 利用HDG高灵敏度红外测温仪和常规测试仪器在动力实验水槽里对风作用下的水面薄层热结构变性进行了模拟测量.测量结果分析表明,当TR>Tw时,风速从0增至16m/s,可使薄层温差(TR-TW)增加约0.4℃,温度梯度达8℃/m.同时还发现,在风以0～16m/s速度对水面作用过程中,薄层内热输送有方向改变,其热结构变性转换点发生在摩擦风速为20cm/s左右.此外,文中还对有关形成机制进行了初步讨论.
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