摘要
孤立波是浅海水域中经常出现的一种波动现象,常用来描述海啸和风暴等引起的巨浪以及波长较长的表面波的某些特性。采用"水体瞬间坍塌"的方法产生孤立波,在二维波浪水槽内进行系列实验。实验结果表明,产生的孤立波波高与水深之比可达1.29;箱体宽度及箱内水体高度对波高影响较大;得到孤立波波高计算公式,可较好地反映孤立波波高与箱体宽度、水深和箱内水体高度之间的变化关系,并给出了公式的适用范围。
Solitary wave is a kind of fluctuation phenomenon which often happens in shallow water. It can describe the characteristics of long waves caused by tsunami or storm. A series of experiments on extreme solitary wave are carried out in a flume with 175 m in length, 1.8 m in height and 1.2 m in width using the collapsing water column method. The results show that the biggest ratio of wave height to water depth is up to 1.29. The volume of water column has a signifieant and effective impact on the height of extreme solitalT wave. Furthermore, based on the analysis of relations between wave height and water column width, and between water depth and water column height, an empirical formula which can be used in future application is obtained in this experiment.
出处
《海洋工程》
CSCD
北大核心
2012年第2期54-57,共4页
The Ocean Engineering
基金
水利部公益性行业科研专项资助项目(200901061)
关键词
孤立波
实验研究
水体坍塌
波高
solitary wave
laboratory study
collapsing water column
wave height
