海面粗糙度的分析
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摘要: 表征海面粗糙程度的物理量有三:粗糙雷诺数(Rr)、空气动力学的粗糙长度(Z0)和阻力系数(C10).文中一方面探讨C10与Rr或Z0的关系,一方面讨论Z0的无因次量与波龄的关系.文中所用的资料既有大洋又有海湾还有湖泊的;为反映大气稳定度的影响,又将资料分为4组.所建的关系式,经检验或与现有式比较,显示出颇为令人满意的结果.Toba等人提出的Z0的无因次量与波龄成正比的关系,除前人指出其缺陷外,文中还据事实得出其存在是颇为勉强的.
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关键词:
- 海面阻力系数 /
- 粗糙雷诺数 /
- 空气动力学的粗糙长度 /
- 波龄 /
- 波高
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