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Recent in Engineering Science and Technology
Published by PT Mencerdaskan Bangsa Indonesia
ISSN : 29858321     EISSN : 2985704X     DOI : https://doi.org/10.59511/riestech
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Aims and Scope Recent in Engineering Science and Technology, a peer reviewed quarterly engineering journal, publishes theoretical and experimental high quality papers to promote engineering and technologys theory and practice. In addition to peer reviewed original research papers, the Editorial Board welcomes original research reports, state of the art reviews, and communications in the broadly defined field of recent engineering science and technology. RiESTech covers topics contributing to a better understanding of engineering, material science, computer science, environmental science, and their applications. RiESTech is concerned with scientific research on mechanical and civil engineering, Electrical or Electronics and Computer Engineering, and Metallurgical and Materials Engineering with specific analytical techniques and or computational methods. The scope of RiESTech includes a wide spectrum of subjects namely, industrial and manufacturing engineering, mechanical engineering, material science and nanotechnology, chemical engineering, and bioengineering, electrical and electronic engineering.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 84 Documents
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Table of Content Vol 01 No 03 2023
Recent in Engineering Science and Technology Vol. 1 No. 03 (2023): RiESTech Volume 01 No. 03 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i03.28

Abstract

Sifat Listrik komposit yang difabrikasi dari carbon-phenol formaldehyde Pramono, Agus Edy; Patrick, Yohannes PatrickR; Belyamin; Indayaningsih, Nanik Indayaningsih
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.29

Abstract

This research aimed to create composites of carbon-phenol formaldehyde (PF) using carbonated rice husks as fillers. The composites showed electrical conductivity that increased with carbon content and decreased electrical resistance. The composites were evaluated for their physical, and electrical properties. The results showed that increasing PF content resulted in higher density but lower porosity, making the composites heavier. Specimens with 80% carbon weight and 20% PF weight produce an electrical conductivity of 0.055 [S/cm], while those with 70% carbon weight and 30% PF weight produce an electrical conductivity of 0.039 [S/cm]. Specimens with 60% carbon weight and 40% PF weight generate an electrical conductivity of 0.013 [S/cm].
Analysis in 3D Rendering Modeling Processing using Autodesk Maya and Blender Software Muhammad, Suhaili; Nabila Fitri, Khairusani
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.30

Abstract

Many alternative software for producing 3D animation. Some of them are Autodesk Maya and Blender. In the animation pipeline there are three main stages, namely pre-production, production and post-production. In post-production there are rendering or rendering steps. Rendering is the processing of all animated scene objects in the form of modeling data, movement, texturing, lighting, sound and so on into a certain output which is the final appearance of an animated video. In this research, we analyze the performance of the two 3D software above in rendering an object. Rendering using Autodesk Maya takes 45 seconds. While the results of rendering using Blender can complete in 1 second. In terms of rendering quality, Autodesk Maya produces more detailed texturing quality.
Bahasa Inggris Prasetya , Sonki; Abadi, Cecep Slamet; Siregar, Cherly Zahara; Nufus, Tatun Hayatun
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.34

Abstract

Mekartani Farm is a comunity located at Jl. Mataram III RW 06, Kelurahan Mekar Jaya, Kecamatan Sukmajaya, Depok City, West Java Mekartani Farm is managed by Mr. Ferryzar. The implementation of PLTS aims to reduce the electricity costs that are still charged to local residents due to planting activities. The study analyzed solar irradiation data as well as data on total electricity loads and daily energy needs at the Mekartani Farm. The PLTS system designed at the Mekartani Farm is capable of generating 1347.7 kWh of energy in a year and has batteries with a capacity of 100 Ah, three of which are arranged in parallel to provide a backup for two days of autonomy. Using a 400 WP solar panel of two parallel-set units with an efficiency of 20.57%.
ANALISA URUTAN FAKTOR PENGUJIAN SEPEDA MOTOR LISTRIK 3.000 WATT MENGGUNAKAN METODE TAGUCHI Genia Auberta; Muslimin; M. Prasha Risfi Silitonga; Daniel Janthinus Kristianto; Wan Mansor Bin Wan Muhamad; Muhammad Aziz
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.35

Abstract

Electric vehicle manufacturers have a significant need for brushless DC (BLDC) motors. This is because of its benefits, including brushless construction, high efficiency and power ratio, huge mass, and ease of control. This study aims to examine the relative importance of the various variables on the three motorcycles that the three prototypes are actually mounted on. In order to optimize the technical testing process and save wasteful time and expense, the Taguchi Method with the characteristic of smaller is better was employed for the research. Two different types of road terrain were used for the tests: flat and uphill with slope angles of 2 and 4. Use. Prototypes 1, 2, and 3 of the electric motors utilized in this study each feature a distinct ratio of magnetic poles: prototype 1 has 48 poles/54 slots, prototypes 2 has 50 poles/45 slots, and prototype 3 has 40 poles/36 slots. According to the test results, the type of electric motor, the type of road, the distance, and ultimately the speed level are the parameters that have the greatest influence.
Engineering and Process of Investment Casting for Pump Impellers Pramono, Agus Edy; Dermawan, Arif
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.36

Abstract

This article explains the pump impeller fabrication process using the investment casting method as an alternative to sand casting. The process aims to achieve precise dimensions, thereby reducing the need for additional machining processes. The process begins with creating a metal pattern. The metal pattern is conducted through machining with dimensional additions. The dimensions are determined by summing up the dimensional sizes, considering SS316L material shrinkage (2.5~3.5%), wax shrinkage (1%), and machining (5mm). The further process is wax injection to create wax patterns, the making of gating system, and ceramic sintering molding. The wax patterns are made separately for each part of the impeller, and then assembled into a complete wax pattern that matches the impeller's geometry and includes the gating system. The wax patterns undergo repeated dipping into slurry and stucco solutions, forming a thick ceramic layer around the wax impeller patterns. After melting the wax from the ceramic mold, cavities are left according to the impeller's geometry. Sintering the ceramic mold impeller at 1000°C forms a hard ceramic mold with cavities ready to receive the molten metal. Once the molten metal solidifies and is removed from the ceramic mold, the casting impeller is ready for further machining processes.
Front Cover Vol 01 No 04 2023
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.38

Abstract

Table of Content Vol 01 No 04 2023
Recent in Engineering Science and Technology Vol. 1 No. 04 (2023): RiESTech Volume 01 No. 04 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i04.39

Abstract

Bahasa Inggris Al Qorni, Muhammad Uwais; Hidayati, Noor; Ulfiana, Andi
Recent in Engineering Science and Technology Vol. 2 No. 01 (2024): RiESTech Volume 02 No. 01 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i01.41

Abstract

The Priok PLTGU Block 4 Chlorination Plant had experienced component damage, which is the electrolysis generator B, to be precise in the 4th order electrolysis cell. One of these cells was damaged which caused the current and voltage used for the electrolysis process to become unstable and required handling of the incident. The handling step taken by the operator is to switch over to the electrolysis generator A which has a standby status. In this study the authors aim to create simulation conditions, and see the feasibility of performance if the electrolysis generator is still running using only 3 cells. The feasibility of the performance is assessed based on a comparison of the concentration of chlorine produced, then compared with the minimum requirement for the generating unit's water purification system, and calculating the available residual chlorine. The results of this study indicate that the concentration of chlorine resulting from the operation of the 3 cell mode is not much different from the normal 4 cell operation, and is able to meet the min-imum requirement of chlorine for the generator, as well as the residual which is classified as safe limits so that the 3 cell operating mode is classified as feasible to operate.
The Development of an Ergonomic-Based Roadmap for Improving Passenger Mobility Onboard Intercity Trains in Indonesia Sihman, Lukman Septaekwara; Hitchcock, David; Harding, Kimberley; Abdillah, Abdul Azis
Recent in Engineering Science and Technology Vol. 2 No. 01 (2024): RiESTech Volume 02 No. 01 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i01.42

Abstract

Today in Indonesia, intercity railway service has become an essential part of human mobility and can carry more than 298 million passengers in 2022. It is a reliable service since it can carry many passengers and is a form of time-efficient mode of transport. More and more people are using this service including disabled passengers. They are using the railway to travel between the cities. The railway industry has changed a lot in recent years. If we look at the 90s and before, traveling by train was almost entirely used by non-disabled people and very few of the passengers are people with disabilities. It has now changed while some disabled passengers used the rail, and it created some issues for the industry. This service for disabled passengers is a part of Equality, Diversity, and Inclusion (EDI) and the Author found a mismatch between what the disabled passenger wanted and what the industry responded to. This research will try to understand what is happening in the Indonesian railway industry, compare it with the same issue in another country like the United Kingdom (UK), and what or how to get the ideal design and service for intercity onboard service for disabled passengers. This research uses the triangulation ergonomic principle which consists of measurement, observation, and consultation to combine a literature study and interviews with representatives of 4 stakeholders in the Indonesian railway: 1) A regular user of disabled passenger; 2) Executive Director of one of the Indonesian disability passengers Organization; 3) Traffic coordinator of the Directorate General of Railway (DGR) in the Indonesian Ministry of Transport; 4) A Vice President of the Passenger Division from PT. Kereta Api Indonesia (Persero)/KAI, an intercity railway operator. This interview is then combined with the data from the literature study then analyzed with several methods like Quality Function Deployment (QFD) to get the ideal coach design, Communication-Persuasion Matrix theory to address the communication gap between the parties and make an ideal roadmap solution with phasing approach.

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