Kumala, Huda (2024) Efek Variasi Joint Terhadap Respon Hidrodinamik pada Array Pontoon Marine Floating Photovoltaic (FPV). Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Studi dalam penelitian ini berfokus pada bahasan mengenai efek pemberian variasi joint pada struktur Array Marine FPV menggunakan metode simulasi hidrodinamik pada software CFD. Untuk memdukung proses simulasi hidrodinamik, ditambahkan variasi parameter-parameter seperti geometri pontoon, irregular wave, dan penambahan beban massa PV. Jenis joint yang digunakan dalam studi ini adalah Ball and Socket Joint dan Hinged Joint. Ball and Socket Joint memungkinkan gerakan rotasi di semua sumbu, sedangkan Hinged Joint menungkinkan pergerakan memungkinkan gerakan rotasi di sumbu x atau y saja. Penelitian akan menunjukan bagaimana efek pemasangan joint pada struktur Array Marine FPV yang ditinjau dari nilai Response Amplitude Operator (RAO) pada 6 derajat kebebasan (6 DOF). Setiap jenis joint menunjukan karakteristik pergerakan akibat respon hidrodinamik pada 6 derajat kebebasan (6 DOF) yang dipadukan dengan variasi parameter-parameter lainnya. Kenaikan nilai RAO pada array pontoon dengan Ball and Socket Joint dibanding Hinged Joint yang paling tinggi ada pada gerakan sway (sumbu y) rata-rata sebesar 40.52%, gerakan roll (rotasional x) sebesar 38.77%, dan gerakan yaw (rotasional z) sebesar 31.7%, sementara kenaikan pada sumbu lainnya berkisar antara 3% - 20%. Penelitian ini diharapkan mampu memberikan wawasan terkait pengembangan sistem Array Marine FPV terutama untuk perairan laut shallow water serta menjadi panduan untuk studi mendatang dan keberlanjutan sistem Array Marine FPV.
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The focus of this research study revolves around the effects of various joints in the structure of the Marine Floating Photovoltaic (FPV) Array using hydrodynamic simulation methods in CFD software. To support the hydrodynamic simulation process, variations in parameters such as pontoon geometry, irregular waves, and the addition of PV mass loads are incorporated. The types of joints examined in this study are the Ball and Socket Joint and the Hinged Joint. The Ball and Socket Joint allows rotational movement in all axes, whereas the Hinged Joint permits movement along either the X or Y axis. The research aims to demonstrate the impact of joint installations on the Marine FPV Array structure, as assessed through the Response Amplitude Operator (RAO) values in 6 degrees of freedom (6 DOF). Each joint type exhibits characteristic movements resulting from hydrodynamic responses in the 6 DOF, combined with variations in other parameters. The increase of the Response Amplitude Operator (RAO) values in the pontoon array with Ball and Socket Joint compared to Hinged Joint is highest in the sway motion (y-axis) with an average of 40.52%, followed by the roll motion (rotational x) at 38.77%, and the yaw motion (rotational z) at 31.7%. Meanwhile, the increase in other axes ranges from 3% to 20%.This study is expected to provide insights into the development of Marine FPV Array systems, particularly in shallow water marine environments, serving as a guide for future research and the sustainability of Marine FPV Array systems.
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