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All Journal Jurnal MEKANIKAL Turbo : Jurnal Program Studi Teknik Mesin Jurnal Abdi Insani IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development
Nurul Iman Supardi
Teknik Mesin-Universitas Bengkulu, Bengkulu, 38371, Indonesia
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering

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PROSES FABRIKASI KOMPONEN WALKING BEAM PADA NEW PUMPING UNIT Wijaya, Bayu Andika; Supardi, Nurul Iman; Bismantolo, Putra
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 10 No. 1 (2026): April 2026
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v10i1.41542

Abstract

The oil and gas eguipment business unit is engaged in the manufacture of pumping units, in its production process, oil and gas equipment is required to run as effectively and efficiently as possible so that it can produce high quality products. In the process of making a pumping unit there are several processes, one of which is the fabrication of the walking beam. This report describes the fabrication process of the walking beam component for the new pumping unit. The study aims to thoroughly understand the stages of production, the operation of the main machines, and the obstacles that arise during the fabrication process. The production process begins with component design using CAD software, followed by cutting ASTM A36 steel material with a CNC flame cutting machine, tack welding with an H-Beam assembling machine, and main welding using an H-Beam gantry welding mMachine. The next stage includes straightening process with H-Beam flange straightening machine, shot blasting to clean the surface, and final painting to inhibit corrosion. This study also identified several factors inhibiting production, such as delays in material supply that affect the smoothness of the cutting process, and instability of the nozzle position during the tack welding process, which requires repeat work. Recommendations provided include improving the material management system to ensure timely availability of raw materials and the use of more stable nozzle holders to improve welding accuracy. This report is expected to be a guide to improve the efficiency and quality of component fabrication processes in the manufacturing industry, especially in the oil and gas equipment sector.
Pengaruh Variasi Kemiringan Front Wall Dan Perioda Gelombang Air Laut Terhadap Daya Udara Yang Dihasilkan Dan Efisiensi Pada Model Oscillating Water Column (Owc) Pembangkit Tenaga Gelombang Peldiansah Ismael , Alif Rahman; Supardi, Nurul Iman; Puspawan, Angky; Witanto, Yovan; Alqap, ASF
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 5 No 1 (2026): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v5i1.391

Abstract

Ocean wave energy is a renewable resource with significant potential for development in Indonesia, given its vast coastal areas. One technology for converting wave energy into usable power is the Oscillating Water Column (OWC) system. This system utilizes the vertical motion of seawater inside a chamber to generate airflow, which then drives a turbine to produce energy. This study aims to analyze the effect of oscillating column tilt angle and wave period variations on the energy conversion efficiency of an OWC model, and to determine the optimal tilt angle for maximum efficiency in converting wave power into air power. The research was conducted experimentally using a laboratory-scale OWC model measuring 1500 mm in length, 300 mm in width, and 500 mm in height. The oscillating column tilt angles tested were 0°, 35°, 40°, and 45°. Artificial waves were generated using a motor drive at 30 rpm, 40 rpm, and 50 rpm, producing wave periods of 2.1 seconds, 1.6 seconds, and 1.2 seconds, respectively. Measured parameters included air velocity, motor speed, wave period, wavelength, and wave height. Calculations determined wave power, air power, and system efficiency. Results show tilt angle and wave period significantly affect OWC efficiency, with the highest efficiency reaching 41.00% at 40° tilt and 1.6-second waves.
THE Community Outreach on Alternative Energy from New and Renewable Energy Sources through Appropriate Technology for the Residents of Sawah Lebar Baru Subdistrict, Ratu Agung District, Bengkulu City Angky Puspawan; Agustin Gunawan; A Sofwan FA; Afdhal Kurniawan Mainil; Alex Surapati; Fepy Supriani; Hardiansyah Hardiansyah; Helmizar Helmizar; Nurul Iman Supardi; Zuliantoni Zuliantoni
Dharmakayana Vol 3 No 1 (2026): Mei : Dharmakayana: Journal of scientists, engineers, educators and scientific ac
Publisher : Program Studi Teknik Mesin, Fakultas Teknik Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dk.v3i1.49191

Abstract

The increasing demand for energy, driven by population growth and economic activities, necessitates the utilization of sustainable alternative energy sources. New and Renewable Energy (NRE) has become one of the key solutions to reduce dependence on depleting fossil fuels, which also have negative impacts on the environment. This community service activity aims to enhance public knowledge and understanding of alternative energy utilization based on NRE through the application of appropriate technology. The methods employed include community outreach, educational sessions, and simple demonstrations of alternative energy technologies. The activity was conducted in Sawah Lebar Baru Subdistrict, Ratu Agung District, Bengkulu City, which is one of the two assisted areas of the Faculty of Engineering, University of Bengkulu. The results indicate an improvement in community understanding of alternative energy concepts as well as an increased interest in adopting simple technologies such as biogas, biomass, and solar energy. Therefore, this activity is expected to promote community energy independence and resilience, support sustainable development at the local level, and contribute to the government’s national energy security program.
Co-Authors A Sofwan FA Adiansyah, Zeta Afdhal Kuniawan Mainil Afdhal Kurniawan Mainil Afdhal Kurniawan Mainil Agus Nuramal Agus Suandi, Agus Agustin Gunawan Alex Surapati Alqap, ASF AM Saifutaqi Fatwa Mayfi Angky Puspawan Arif Rahman Hafiz Bismantolo, Putra Dedi Suryadi Eka Putra, Rama Dani Erinofiardi Erinofiardi FA, A Sofwan Febriyanto, Ady FEPY SUPRIANI Fepy Supriani Gunawan, Agustin Hardiansyah Hardiansyah Hardiansyah Hardiansyah Hardiansyah Helmizar - Helmizar Helmizar Hendri Hestiawan Hendri Hestiawan Ikhwanusshofa, Muhammad Ismah, Yulia Azatil Khairul Amri Khairul Amri Makmun Reza Razali Mubarok, Abdul Latif Nanda Nopita, Dian Peldiansah Ismael , Alif Rahman Puspawan, Angky Redi Redi ricky, 240103 Saputra, Andrian Nurul Saputra, Meri Andani Setiawan, Ahmad Yudi Sitinjak, Heryanto Sulthan, Rifki Syabanda, Yukhi Mustaqim Kusuma Wijaya, Bayu Andika Winata, Alben Sindhu Yanuardi, Endi Yovan Witanto Yulia Azatil Ismah Zuliantoni, Zuliantoni