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波面位移非对称性对风浪成长状态的依赖性
葛勇¹, 宋金宝², 田纪伟¹
1.中国海洋大学海洋环境学院物理海洋系;2.中国科学院海洋研究所

摘要:

以二阶随机波动理论为基础 ,研究了刻画波面位移非对称性的偏度参量λ₃ 对风浪成长参量(反波龄ω和X无因次风区 )的依赖性 ,得到了λ₃ 与ω和λ₃与X的近似解析关系式 ,并利用实验宝水槽风浪成长实验的实测数据对这些关系式进行了检验。

关键词: 偏度反波龄无因次风区

DOI：

分类号:

基金项目:国家863计划资助项目 (2001AA633070)

The dependence of asymmetry of wave surface elevation on wind - wave growth state

Abstract:

Based on the second - order random wave theory， we studied the dependence of skewnessλ₃ which characterizes asymmetry of wave surface elevation on the parameter of wind - wave growth state（inverse wave age Ω and dimensionless fetch X. Approximative analytic relations betweenλ₃ andΩ， and betweenλ3 and X are derived. Using the data from experiments in lab’s wind wave - current flume，we verified the applicability of these relations .

Key words: skewness inverse wave age dimensionless fetch

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