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Review Organic Rankine Cycle-: Penerapan di Kapal
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ABSTRAK
Sektor maritim sebagai salah satu industri utama yang menggunakan bahan bakar minyak, turut berkontribusi terhadap emisi gas rumah kaca seperti CO2, NOx, dan SOx, mencapai 2-3% dari total emisi dunia. Emisi gas buang kapal ini memiliki dampak signifikan terhadap lingkungan, termasuk perubahan iklim, pencemaran udara, dan dampak negatif lainnya. Dampak tersebut dapat di kurangi salah satunya dengan menerapkan sistem pemulihan limbah panas di kapal menggunakan teknologi Siklus Rankine Organik (SRO)/Organic Rankine Cycle (ORC). Kajian literatur terkait konsep ORC di kapal dilakukan mulai dari penentuan sumber panas dari mesin kapal, pemilihan jenis fluida, pemilihan komponen, serta aspek ekonomi. Hasil yang diperoleh yaitu panas gas buang adalah yang paling cocok untuk penerapan ORC dikapal, fluida kerja yang digunankan yaitu R1234ze, R245fa, R600, dan R600a. Dengan penggunaan ORC, Penghematan bahan bakar pelayaran sekitar 10% - 15% dengan waktu pengembalian modal masing - masing 6,52 tahun (R1234z), 6,19 tahun (R245fa), 6,31 tahun (R600) dan 6,42 tahun (R600a).
Kata kunci: gas buang, siklus rankine, kapal, laut, diesel
ABSTRACT
The maritime sector, as one of the main industries that use fuel oil, contributes to greenhouse gas emissions such as CO2, NOx, and SOx, reaching 2-3% of the world's total emissions. These ship exhaust emissions have a significant impact on the environment, including climate change, air pollution, and other negative impacts. These impacts can be reduced by implementing a waste heat recovery system on ships using Organic Rankine Cycle (SRO)/Organic Rankine Cycle (ORC) technology. A literature review related to the concept of ORC on ships is carried out starting from determining the heat source from the ship's engine, fluid type selection, component selection, and economic aspects. The results obtained are that exhaust gas heat is the most suitable for the application of ORC on ships, the working fluids used are R1234ze, R245fa, R600, and R600a. With the use of ORC, the cruise fuel saving is about 10% - 15% with payback period of 6.52 years (R1234z), 6.19 years (R245fa), 6.31 years (R600) and 6.42 years (R600a) respectively.
Keywords: exhaust gas, rankine cycle, ship, marine, diesel
Kata Kunci
Teks Lengkap:
PDFReferensi
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DOI: https://doi.org/10.26760/jrh.v8i1.76-86
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