隨著油輪大型化的趨勢，在台灣港口受水深的限制，將無法停靠大型油輪，因此需要在外海借助浮筒繫泊系統穩定油輪運動，同時進行卸油作業。本研究運用ANSYS AQWA及Orcina OrcaFlex等套裝數值模式進行模擬，研究場址選在高雄港外海，同時考慮油輪在裝卸過程中規劃三組吃水深度，以及不同風、流向下的影響，針對油輪在單浮筒作業條件下，受波浪作用力、風及流推力的運動行為與繫纜張力進行探討。
為了解油輪繫泊於浮筒的運動反應，因此在規則波中，透過不同波高與風速下的模擬，探討大纜張力的特性，以及透過不同波向與風向下的模擬，探討油輪水平運動（縱移、橫移、平擺）特性與大纜張力值。此外，油輪在外海進行繫泊時因沒有港口遮蔽下，所吹襲的強風及海上洶湧之浪況，將造成油輪劇烈的運動反應，對繫纜系統造成斷纜的風險，除了盡量避免繫纜破壞的發生機率，亦需要事先研究評估若災害發生時可能造成何種程度的危害。因此本研究規劃三種繫纜系統失效情境進行分析，針對浮筒與油輪水平運動（縱移、橫移、平擺）變化、油輪漂移範圍，以及錨鏈與大纜的張力變化，配合中國港口技術規範的泊位錨地範圍，及美國石油學會（API RP 2SK）對於繫纜系統的張力規範進行探討，以提供台灣港口單位制定緊急應變措施之參考。

This research focuses on the motion of oil tanker with single buoy mooring system and the tension of mooring lines under operation conditions with wave, wind, and current forces. Simulation was accomplished with ANSYS AQWA and Orcina OrcaFlex. The target site was selected offshore outside Kaohsiung Port in this thesis. Consider the oil tanker in the unloading process planning three groups of drafts. The characteristics of hawser tension was discussed under regular waves with different wave heights and wind speeds. Through the simulation of different wave and wind directions, the characteristics of the tanker motions, only the motion on the horizontal plane of the tanker (Surge, sway, and yaw) and the value of hawser tension are analyzed. In addition, three types of mooring system failure were simulated. The motion on the horizontal plane of the tanker and buoy, drift range of tanker, hawser and anchor chain tension after the mooring system failure were discussed.

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