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沿岸流流速垂向分布的实验研究 被引量：4

Experimental Study on the Vertical Distributions of Longshore Currents
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摘要 进行了沿岸流模型实验,测量沿岸流流速的垂向分布。采用Faria等(1996)的方法对实验结果进行了分析,将水深分为上层和下层两部分:下层采用对数分布来表达沿岸流的垂向分布;上层考虑了波浪引起的自由表面的波动,使流速分布包括了修正的对数分布和质量输移速度两部分。对实验结果得到的相对粗糙度与Sleath(1991)的经验公式结果进行了对比,也对摩阻流速结果与已有经验公式计算结果的进行了对比。 The experiment was conducted to measure the vertical distributions of longshore currents. To express the velocity distribution, Faria＇s method was used, and the water depth is divided into two parts： the upper layer and the lower layer. It is found from the test data that a logarithmic profile can be used for the lower layer. Due to the presence of waves, the velocity profile for the upper layer is described by using an adjusted logarithmic profile plus the mass transport velocity. Comparisons are made with the Visser＇s data and the filed experiment DUCK94＇s data to verify the results, The results of friction velocity and relative roughness, which calculate from the velocity distribution expression, are also obtained and compared with relevant calculated results.
作者 张振伟 邹志利
机构地区 大连理工大学海岸与近海工程国家重点实验室
出处 《海洋通报》 CAS CSCD 北大核心 2009年第2期1-9,共9页 Marine Science Bulletin
基金 国家自然科学基金(59839330 50479053 10672034) 高等学校博士科学点专项科研基金(20040141030) 长江学者和创新团队发展计划资助
关键词 沿岸流 摩阻流速 相对粗糙度 波浪 longshore currents friction velocity relative roughness wave
分类号 TV13 [水利工程—水力学及河流动力学]
  • 相关文献

参考文献12

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共引文献7

同被引文献21

  • 1练伟航,马治安,张广传,赖冠文.电厂机组泵房侧向进水前池流态水力试验研究[J].中国农村水利水电,2007(6):115-117. 被引量：4
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  • 10ZOU Zhi-li,WANG Shu-ping,QIU Da-hong,et al.Longshore current of regular waves on different beaches.Aeta Oceanologica Sinica,2003,22(1):123-132.

引证文献4

二级引证文献2

海洋通报
2009年 第2期

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