Development of liquified natural gas (LNG) ISO tank in Indonesia pays significant attention due to this product is still imported and it has high LNG market potential. In addition, this research is in line with national research priorities in the maritime sector to implement energy equality in Indonesia. As a first step in the research, the ISO tank model designed by using CATIA and structural testing using ANSYS software for finite element analysis. This simulation test is carried out to identify areas that receive high stress in the tank shell and the support structure of the tank. In addition, this virtual test was conducted to quantify the stress and safety factor of the ISO tank model. With this simulation, it is hoped that a more efficient and safer ISO tank design that meets existing regulatory standards can be obtained.
Regulator gas merupakan salah satu komponen penting pada system tanki liquefied natural gas (LNG). Komponen ini didesain harus mampu bekerja pada temperature rendah ekstrim dan tekanan tinggi. Dalam keseluruhan proses desain, material memiliki peran penting sehingga designer harus dapat mengidentifikasi jenis material dengan fungsionalitas spesifik agar ditemukan konsep desain yang layak. Identifikasi material tersebut dapat digunakan sebagai informasi awal mengenai sifat mekanik dan struktur mikro dari material. Tujuan dari penelitian ini adalah menyajikan data identifikasi material casing regulator gas alam jenis Belgas P39 dan memberikan rekomendasi persyaratan material yang harus dipenuhi oleh perusahaan lokal yang tertarik untuk mengembangkan material casing regulator tersebut. Pada paper ini, identifikasi material casing regulator Belgas P39 high pressure dilakukan melalui serangkaian pengujian, diantaranya pengujian komposisi kimia, pengujian kekerasan, pengujian metalografi, dan pengujian SEM-EDS. Selanjutnya data hasil pengujian tersebut dibandingkan dengan data pembanding standar. Hasil penelitian menunjukkan bahwa material casing regulator Belgas P39 high pressure termasuk dalam paduan kuningan jenis duplex.
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