HERNAWAN, DIMAS TERAPUTRA (2025) ANALISIS KAPASITAS POMPA & KINERJA SISTEM PENYALURAN BAHAN BAKAR AVTUR MELALUI PIPA BAWAH TANAH DARI AVIATION FUEL TERMINAL HINGGA BANDARA. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The underground pipeline system for aviation fuel distribution from the Aviation Fuel Terminal (AFT) to the airport plays a critical role in ensuring reliable, efficient, and safe flight operations. This system is designed to consistently meet fuel supply demands while minimizing environmental risks. However, one of the primary challenges is achieving the minimum flow rate required by the international standard Energy Institute 1560 (Recommended Practice for the Operation, Inspection, Maintenance, and Commissioning of Aviation Fuel Hydrant System), particularly during the flushing process, which aims to remove contaminants and maintain fuel quality. This study aims to analyze the performance of the aviation fuel distribution system in meeting the minimum flow rate and evaluate the capacity of the pumps used. The methods include calculations of Reynolds number, flow rate, and pressure loss (major and minor losses) compared to international standards. The results show that the current flow rate of 750 m³/h does not meet the flushing requirement of 907 m³/h, with a shortfall of 17.31%. The pressure drop along the main pipeline is 3.62 bar, caused by major losses of 1.76 bar, minor losses of 0.86 bar, and Free Water Separation (FWS) losses of 1 bar. Although the current pump efficiency of 85% is sufficient for daily operational needs, its capacity needs to be increased to support the flushing process. System optimization is required, including increasing pump capacity, improving pressure regulation, and performing regular maintenance on pipes and fittings to reduce flow resistance. These technical adjustments are expected to meet international standards and ensure reliable, safe, and efficient fuel distribution. Keywords: aviation fuel distribution, minimum flow rate, underground pipeline, flushing standard, pump capacity. Sistem perpipaan bawah tanah untuk distribusi bahan bakar avtur dari Aviation Fuel Terminal (AFT) ke bandara memiliki peran penting dalam memastikan operasional penerbangan yang andal, efisien, dan aman. Sistem ini dirancang untuk memenuhi kebutuhan suplai bahan bakar secara konsisten sambil meminimalkan risiko lingkungan. Namun, salah satu tantangan utama adalah mencapai laju alir minimum yang dipersyaratkan oleh standar internasional Energy Institute 1560 (Recommended Practice for the Operation, Inspection, Maintenance, and Commissioning of Aviation Fuel Hydrant System), terutama pada proses flushing yang bertujuan untuk menghilangkan kontaminan dan menjaga kualitas bahan bakar. Penelitian ini bertujuan untuk menganalisis kinerja sistem distribusi bahan bakar avtur, khususnya dalam memenuhi laju alir minimum dan mengevaluasi kapasitas pompa yang digunakan. Metode yang digunakan meliputi perhitungan Reynolds number, laju alir, dan penurunan tekanan (major dan minor loss) yang dibandingkan dengan standar internasional. Hasil penelitian menunjukkan bahwa laju alir aktual sebesar 750 m³/jam masih di bawah kebutuhan flushing sebesar 907 m³/jam, dengan kekurangan 17,31%. Penurunan tekanan sepanjang pipa utama sebesar 3,62 bar disebabkan oleh kerugian major loss sebesar 1,76 bar, minor loss sebesar 0,86 bar dan FWS sebesar 1 bar. Meskipun efisiensi pompa saat ini sebesar 85% cukup untuk memenuhi kebutuhan operasional harian, kapasitasnya perlu ditingkatkan untuk mendukung proses flushing. Pembahasan berfokus pada perlunya optimalisasi sistem, termasuk peningkatan kapasitas pompa, pengaturan tekanan yang lebih baik, dan perawatan rutin pada pipa serta fitting untuk mengurangi hambatan aliran. Kesimpulannya, meskipun sistem saat ini mampu memenuhi kebutuhan operasional, diperlukan penyesuaian teknis untuk memenuhi standar internasional, terutama pada kegiatan flushing, guna memastikan distribusi bahan bakar yang andal dan aman. Kata kunci: distribusi bahan bakar avtur, laju alir minimum, pipa bawah tanah, standar flushing, kapasitas pompa.
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