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All Journal JURNAL PENGABDIAN KEPADA MASYARAKAT JSAI (Journal Scientific and Applied Informatics) Majalah Teknik Simes METAL : Jurnal Sistem Mekanik dan Termal Jurnal INFOTEL Abdi Reksa Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development
Bismantolo, Putra
Universitas Bengkulu
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Socialization of bag composter in producing artificial compost for the community Putra Bismantolo; Hendri Hestiawan; Dewi Sartika
Dharmakayana Vol 1 No 1 (2024): Mei : Dharmakayana: Journal of scientists, engineers, educators and scientific ac
Publisher : Program Studi Teknik Mesin, Fakultas Teknik Universitas Bengkulu

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Abstract

Waste management must be the responsibility of citizens and the government. The government's task is to activate citizen participation up to household level by having sufficient knowledge e.g. socialization of 3R concept (Reduce, Reuse, Recycle) in handling the waste. The Reduce is about the impact of waste on life by that the community minimizes the use of goods that can produce waste. The reuse concept is about to utilize waste for other uses. The Recycle is about to recycle the waste to other goods e.g. by composting to produce fertilizer in a small space, simple equipment, and very low costs. Compost production by using a composter bag sprayed by composter fluid is called as the artificial compost. To introduce the system to the community, the training on how to make deal with it is pursued in RT.33 RW.8, Sawah Lebar Village, Bengkulu City, involving the local administrators and housewives. The method is learning by doing under supervising of a community service team of the Engineering Faculty Universitas Bengkulu.
PROSES FABRIKASI KOMPONEN WALKING BEAM PADA NEW PUMPING UNIT Bayu Andika Wijaya; Nurul Iman Supardi; Putra Bismantolo
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.
PERENCANAAN SISTEM PENGKONDISIAN UDARA ZONA 1 GEDUNG B RUMAH SAKIT UNIVERSITAS BENGKULU OLEH PT DETA DECON Hernan Marten Karosekali; Putra Bismantolo; Sunggoro
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.v10i1.44782

Abstract

This study discusses the planning of an air conditioning system in Zone 1 Building B of Bengkulu University Hospital. The planning of an Heating, Ventilation, and Air Conditioning (HVAC) system in hospitals is crucial because it is closely related to thermal comfort, which is defined as the condition in which the human body does not feel too hot or too cold, allowing metabolism and activities to function optimally. In the hospital context, thermal comfort is not only important for patient convenience but also plays a role in supporting recovery processes, maintaining air quality, and ensuring a hygienic environment in accordance with health standards. The aim of this study is to calculate the cooling load using the ASHRAE method and compare it with simulation results, as well as to evaluate whether the installed cooling capacity meets the actual requirements. The results show that the total cooling load based on the ASHRAE method is 163,142.17 BTU/h, while the simulation application produces 174,225 BTU/h. The installed cooling capacity is 191,900 BTU/h, which indicates that the system is sufficient with a slight oversizing. This oversizing provides a safety margin but may lead to higher energy consumption if not properly controlled. These findings highlight that proper HVAC planning is essential to ensure comfort, energy efficiency, and compliance with technical regulations in hospital buildings.
Co-Authors A. Sofwan Abdul Latif Mubarok Agus Suandi, Agus Ananda Putra, Irvan Angky Puspawan Antonius F A Silaen Arie Vatresia Arie Vatresia Bayu Andika Wijaya Dedi Suryadi Dewi Sartika Emilio Oktori Erwinsyah, Mochamad Dava Erwinsyah FA, A. Sofwan Ferzha Putra Utama Gunawan, Agustin Gusta Gunawan Halim Rivardi Thamrin Haryo Sadewo, Prasetyo Helmizar Helmizar - Hendri Hestiawan Hendri Hestiawan Hendri van Hoten Hernan Marten Karosekali Julia Purnama Sari Kurnia Anggriani, Kurnia Nurbaiti Nurbaiti Nurbaiti Nurul Iman Supardi Nurul Iman Supardi Nurul Iman Supardi Okta Piani, Sri Prasetiyo, Rafi Ramadani, Dwi Ramadhan, M. Fajar Razali, Makmun Reza Shafira Sitinjak, Heryanto Stern Imanuel Kristian Sulistrionio, Sulistriono Sunggoro Tarigan, Daniel Elieser TIMUR, RIZKY Utama, Agus Bayu Utama, Ferzha Putra Wiranto, Imam Yovan Witanto Zuliantoni, Zuliantoni