- 期刊
多孔隙消波性結構物前後之不規則波特性試驗研究
Irregular Wave Test of Vertical Porous Media
摘要
本研究利用水工模型斷面試驗水槽進行多孔隙消波結構物之不規則波試驗，其目的在了解不規則波浪通過多孔隙消波離岸結構物時的變化，藉以探討水面波動的波高、頻率、反射率、透過率與結構物孔隙率及沒水深度間的互制關係。在試驗中使用了一種出水式防波堤及兩種沒水潛堤，同時也變換了兩種不同的孔隙率，以及不同的入射波高及週期。本文係延續Chen（2000）由試驗所得的數據，利用最小平方法進行因次化及無因次化多變量非線性迴歸分析與推導，得到潛堤前後不規則波浪作用下之反射率、透過率、能量損耗率與入射波高、週期、孔隙率及沒水深度的關係式，但由其常數項的存在也顯示尚有其他的因素影響這三種結構物的能量或波高比值，例如多孔隙消波段的縱深以及可能引起的內水位上升與排水。
並列摘要
In this paper, a series of hydraulic model tests were carried out in an irregular wave flume on two submerged breakwaters and one detached breakwater of vertical structures of porous media in different immersed depth, porosity and various wave conditions. The least square of regression with four variables including wave period, wave height, immersed depth, porosity were derived and calculated as function of reflection coefficients of different experimental setups. The results show that the wave dissipation of the vertical porous media structure is strongly related to the above four independent variables.
延伸閱讀
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- 陳信宏（2009）。以適應性濾波器估計多輸入多輸出正交分頻多工系統通道特性之應用研究〔碩士論文，國立臺北科技大學〕。華藝線上圖書館。https://doi.org/10.6841/NTUT.2009.00258
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- 莊世璿、岳景雲（2007）。A Study of Wave Scatters and Wave Forces of a Permeable Thin Barrier。海洋工程學刊，7(1)，21-46。https://doi.org/10.6266/JCOE.2007.0701.02