静止和扑动叶片上的边界层阻力及温度分布：II. 田间试验
Boundary Layer Resistance and Temperature Distribution on Still and Flapping Leaves: II. Field Experiments.
作者信息
Parlange J Y, Waggoner P E
机构信息
The Connecticut Agricultural Experiment Station, New Haven, Connecticut 06504.
出版信息
Plant Physiol. 1972 Jul;50(1):60-3. doi: 10.1104/pp.50.1.60.
Abstract
The forced convection of heat from reed (Phragmites communis) leaves was observed in their natural environment. The leaves were painted with liquid crystals, which displayed or indicated their temperature without any interference with natural air flow. Temperature differences as large as 15 C were observed between the leading and trailing edges of the nontranspiring, painted leaves. The turbulence of the natural wind decreased the boundary layer resistance around the leaf to about 40% of the resistance in a laminar steady wind.
摘要
在芦苇（Phragmites communis）叶的自然环境中观察到了热量的强制对流。叶片上涂有液晶，其在不干扰自然气流的情况下显示或指示叶片温度。在未蒸腾且涂有液晶的叶片的前缘和后缘之间观察到高达15摄氏度的温差。自然风的湍流使叶片周围的边界层阻力降低至层流稳定风阻力的约40%。
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