Hutagaol, Relita (2024) Efek Variasi Geometri Catamaran dan Trimaran Pontoon dengan Variasi Jumlah Mooring Line Terhadap Gerak Hidrodinamik pada Marine Floating Photovoltaic (Marine FPV) di Pulau Anambas - Kepulauan Riau. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Studi ini menganalisis pengaruh variasi geometri pontoon dan jumlah mooring line terhadap respon hidrodinamik pada Marine FPV menggunakan metode Simulasi CFD Aqwa. Variasi-variasi yang digunakan adalah bentuk geometri pontoon, jumlah mooring line, gelombang irregular, dan kedalaman perairan. Penelitian menunjukkan bahwa penambahan hull pontoon Catamaran Single menjadi Trimaran Single dan penggabungan dua array pontoon (Trimaran Array dan Catamaran Array) menghasilkan respon hidrodinamik yang lebih rendah dibandingkan yang Model Catamaran Single. Trimaran Array menunjukkan penurunan respon hidrodinamik sebesar 97% (sumbu-RY), Catamaran Array sebesar 94% (sumbu-RX), Trimaran Array sebesar 26% (sumbu-X). Selain itu, penggunaan 6 mooring line juga dapat mengurangi dampak eksitasi gelombang dan respons hidrodinamik pada keenam DOF. Penambahan mooring line rata-rata menghasilkan penurunan RAO pada tiap model dengan penurunan terbesar 28% dan tension mooring sebesar 23%. Penelitian ini memberikan wawasan penting dalam desain dan pengembang sistem Marine FPV yang efisien dan dapat diandalkan, serta menjadi panduan praktis bagi industri energi terbarukan dalam meningkatkan kinerja dan keberlanjutan sistem Marine FPV.
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This research analyzes the effect of variations in geometry and the geometry of the number of mooring lines on the hydrodynamic response of Marine FPV using the Aqwa CFD Simulation method. The variations used are the geometric shape of the pontoon, the number of mooring ropes, irregular waves, and water depth. Research shows that the addition of a Single Catamaran pontoon hull to a Single Trimaran and combining two pontoon arrangements (Trimaran Array and Catamaran Array) produces a lower hydrodynamic response compared to the Single Catamaran Model. The Trimaran Array shows a reduction in the hydrodynamic response of 97% (RY axis), the Catamaran Array of 94% (RX axis), and the Trimaran Array of 26% (X-axis). Apart from that, the use of 6 mooring lines can also reduce the impact of wave excitation and hydrodynamic response on the six DOFs. The addition of a mooring line on average resulted in a decrease in RAO for each model with the largest decrease being 28% and tension mooring at 23%. This research provides important insights into the design and development of efficient and reliable Marine FPV systems and provides practical guidance for the renewable energy industry in improving the performance and sustainability of Marine FPV systems.
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