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A Study on Harbor Resonance of Hwa-Lien Harbor(3/4)
|Contributors: ||NTOU:Department of Harbor and River Engineering|
Harbor Resonance;Wave statistics,;Field measurement
|Issue Date: ||2011-06-29T01:38:35Z
In this third year of four years research, the harbor resonance problem of Hwa-Lien Harbor was studied. In the past two years, the transfer function of wave pressure and water elevation from experimental data, the statistical analyses of field wave data inside and outside the harbor and pressure on east breakwater caisson have been done and discussed, a numerical model of Hwa-Lien Harbor tranquility under regular/irregular wave action have already been setup, and the observations of long period wave oscillations inside the Hualien Port and along the east Taiwan coast have been deployed. The transfer function was found to be differ from the linear wave theroy’s and may be adjusted with a non-linear function of water depth, and a linear relation is found in wave trough but decayed as water depth increased, an is found highly non-linear in wave crest and decayed as water depth or wave steepness increased. Hualien Port is found to contain wave components with period longer than 1000 seconds all the time, and the wave components with periods between 100 seconds and 500 seconds have dominant increase of wave energybut during the typhoon intrusion duration. In this third year project, we will continue study the transfer function, long period wave observations, numerical simulations of harbor tranquilities induced by directional waves or practical irregular waves, and also the improvements about the long period oscillations of Hualien Port.
|Appears in Collections:||[河海工程學系] 研究計畫|
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