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All Journal Jurnal Teknik Mesin Rotasi Jurnal Teknologi Jurnal Mechanical Media Mesin: Majalah Teknik Mesin VANOS Journal of Mechanical Engineering Education Journal of Science and Applicative Technology Metal Indonesia JURNAL CRANKSHAFT Infotekmesin STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Scientific Journal of Mechanical Engineering Kinematika Journal of Metallurgical Engineering and Processing Technology Journal of Mechanical Engineering Journal of Applied Mechanical Technology (JAMET) Jurnal Foundry Journal of Sciencce Technology and Visual Culture
Fajar Paundra
Institut Teknologi Sumatera
Aerospace Engineering Arts Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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EVALUASI UMUR SISA SHELL COOLER CL-5 DENGAN METODE FITNESS FOR SERVICE-1/API 579 Eko Pujiyulianto; Herry Wardono; Irza Sukmana; Saka Mahidaya Hutama; Fajar Paundra
Scientific Journal of Mechanical Engineering Kinematika Vol 8 No 2 (2023): SJME Kinematika Desember 2023
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v8i2.273

Abstract

This research aims to evaluate the remaining life of the CL-5 shell cooler using the fitness for service method (FFS-1/API 579). The evaluation is conducted through the inspection process of components using Non-Destructive Testing (NDT) methods. This study is aimed at identifying thickness changes, analyzing the types of corrosion occurring in the CL-5 shell cooler, calculating the minimum allowable shell thickness, determining the Maximum Allowable Working Pressure (MAWP), estimating the corrosion rate, assessing the remaining life, and determining the operational feasibility of these components. Calculations are performed using the FFS-1/API 579 standard. The research results indicate that the total loss in 2011 and 2021 was 0.2 mm and 0.414 mm, respectively. The corrosion rates observed on the CL-5 shell cooler in 2011 and 2021 were 0.067 mm/year and 0.13 mm/year. Based on the minimum thickness and MAWP values evaluation, the CL-5 shell cooler is still fit for operation. Analysis of the remaining life of the CL-5 shell cooler indicates that the remaining life in 2011 and 2021 was 7.81 years and 6.83 years, respectively. Based on the above description, it can be concluded that the CL-5 shell cooler can still be operated.
ANALISIS TEGANGAN DAN MODULUS ELASTISITAS STRUKTUR KISI YANG DI DESAIN MENGGUNAKAN SCRIPT BERBASIS PYTHON Eko Pujiyulianto; Muhamad Fatikul Arif; Abdul Muhyi; Fajar Paundra; Ariq Athallah; Daniel Christover Munte
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 1 (2025): SJME Kinematika Juni 2025
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v10i1.572

Abstract

This study aims to evaluate TPMS lattice structure designs using Python scripts, which will later be used for lattice shell helmet designs. The structural design evaluation will be performed using numerical methods by varying the volume fraction. The lattice structures to be evaluated include FischerKochS, Honeycomb, pmy, and SchoenFRD. The CAD models of the lattice structures will be generated using Python-based scripts. The volume fraction variations are achieved by altering the shell thickness values in the Python scripts. The analysis will be conducted using numerical methods based on finite element analysis with static analysis and an elastic material model. The material used is ABS. Based on the research results, it indicates that the thickness specified in the script (thickness) cannot be defined as the actual shell thickness. The relationship between thickness and volume fraction indicates that each lattice structure will produce a different volume fraction when the shell thickness is varied. As the shell thickness increases, the volume fraction of the lattice structure also increases. volume fraction in lattice structures does not affect stress in a linear manner. The highest stress is observed in the pmy structure, followed by the Honeycomb and FischerKochS structures, while the SchoenFRD structure exhibits the lowest stress values. The most suitable design for use as a lattice structure in helmets is the ScheonFRD design. This is due to the design capability of ScheonFRD in distributing stress across the structure.
Co-Authors A. Juan Abdu Halim Wibowo Abdul Aziz Abdul Muhyi Abdul Muhyi Ahmad Waldi Chaniago Amelia Oktavia Anas Maulana Andi Rahadiyan Wijaya Ariq Athallah Danang Istanto Daniel Christover Munte Devia Gahana Cindi Alfian Dicky J. Silitonga Dimas Aldyansyah Dimas Maulana Aji Duwi Hariyanto Eko Pujiyulianto Eko Pujiyulianto Eko Pujiyulianto Fajar Perdana Nurrullah Febri Budi Darsono Febryan Utama Putra Felderico Andreas Sitanggang Firman Sri Bagaskara Firman Sri Bagaskara Fuad Hakim Fuad Mulkan Al Machzumy Gigih Tujo Pradibyo H.T. Yudhistira Hadi Teguh Yudistira, Hadi Teguh Hamid Abdillah Handoyo Handoyo Hasan Bisri Bisri Herry Wardono I Gusti Bagus Budi Dharma Ilham Ramadhan Siregar Ilhan Manzeis Imam Prabowo Imam Prabowo Indriyani Indriyani Irza Sukmana Jukepri Brain Meliala Kisna Pertiwi Lathifa Putri A Lukman Triawan M. Fahan Sidik M. Muhibbul Khairi M. Rafi Kurniawan Marone J Tambunan Mufidah, Zunanik Muhamad Fatikul Arif Muhammad Ichsanudin Muhammad Rama Aditya Muhammad Rizky Hikmatullah Muhammad Syaukani Muhsin Muhsin Muhsin Nurdin, Akhmad P. Elmiawan P. Yunesti Puguh Elmiawan Puguh Elmiawan Puguh Elmiawan Putty Yunesti Sabar Saka Mahidaya Hutama Sastra Kusuma Wijaya Sri Hastuti Syamsul Hadi Hadi Triyono Triyono Zian Millenio