cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Amir Arifin
Contact Email
amir@unsri.ac.id
Phone
-
Journal Mail Official
aspensriwijaya@gmail.com
Editorial Address
Jl. Srijaya Negara, Bukit Besar Palembang Sumatera Selatan 30128
Location
Kota palembang,
Sumatera selatan
INDONESIA
Indonesian Journal of Engineering and Science (IJES)
Published by Asosiasi Peneliti Sriwijaya (APS)
ISSN : -     EISSN : 2774373X     DOI : 10.51630
Core Subject : Science, Engineering,
Energy Engineering Materials Science & Nanotechnology Mechanical Engineering
Indonesian Journal of Engineering and Science (IJES : ISSN 2274-373X) is a peer-reviewed journal that aims at the publication and dissemination of original research articles on the latest developments in all fields of engineering science and technology. The journal publishes original papers in English, which contribute to the understanding of engineering science and improvement of the engineering technology and education. Papers may be theoretical, experimental and paper review. The contribution should be unpublished before and not under consideration for publication elsewhere.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol. 6 No. 2 (2025): Table of Contents" : 7 Documents clear
COMPARATIVE BLADES NUMBER HORIZONTAL AXIS WIND TURBINES IN PROFILE NACA 0012 USING CFD SIMULATION Sari, Dewi Puspita; Setyanto, Djoko; Simanjuntak, Rexon Harris; Barzah, Ahmad Alfarizi; Wadirin, Wadirin; Setiyo, Edi; Hermawan, Rudi
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.170

Abstract

This study explores the effect of blade count on the performance of low-scale horizontal axis wind turbines (HAWT) with NACA 0012 profiles using Computational Fluid Dynamics (CFD) methods. The results show that the turbine with three blades achieves the highest efficiency, with a power coefficient (Cp) of 0.54 at a Tip-Speed Ratio (TSR) of 7, while the four-blade turbine reaches a Cp of 0.48 at a TSR of 6. The mechanical power produced by the three-blade turbine is 1,040.81 W, 28% higher than that of the four-blade turbine (927.28 W). The progressive distribution of the pitch angle in the three-blade turbine minimizes the risk of stall and flow separation. These findings suggest that fewer blades can reduce flow interference and vortex-induced losses, making it an efficient solution for the wind energy potential in Indonesia. Future research should explore geometric and material variations for further optimization.
PID-CONTROLLED HUMAN DETECTION ROBOT WITH VISUAL PROCESSING ON ALPHABOT-2 Nguyen, Hoang-Thong; Vo, Quoc-Thang; Le, Minh-Thiet; Truong, Cong-Tuan; Tran, Duy-Dat; Pham, Cong-Hoang-Anh; Cao, Huu-Tai; Lam, Gia-Bao; Truong, Hoang-Anh; Tran, Le-Bao-Luan; Nguyen, Hoang-Quang-Minh; Nguyen, Le-Hoang-Viet; Le, Thi-Hong-Lam
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.176

Abstract

This paper presents a human detection and alert robot system based on the AlphaBot2 platform and Raspberry Pi. The system employs a camera with a HOG-based human detection algorithm to locate the target within the frame and uses an ultrasonic sensor to measure the distance to the person. Based on the horizontal offset between the person and the frame centre, the PID controller adjusts the speeds of two DC motors to guide the robot smoothly and steadily toward the person. When the robot reaches a predefined distance from the detected human target, a buzzer is triggered. Through experiments, the effectiveness of the image processing and PID algorithm is evaluated, and optimal parameter values are identified for the system.
FINITE ELEMENT NUMERICAL ANALYSIS FOR FATIGUE STRENGTH IN FSW WELDING OF ALUMINUM-5052 ALLOY Armansyah, Armansyah; Setyanto, Djoko
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.177

Abstract

This study applied observations on the fatigue loads of friction stir welding joints of 5052 Aluminum alloy using the finite element method approach. The 3-dimensional model of the test specimen for fatigue loading was designed using CAD software following the ASTM E466 standard. Fatigue loads were simulated numerically using Ansys Workbench software with loading sequences of 5000 N, 10,000 N, 15,000 N, and 20,000 N. The simulation showed a significant increase in equivalent stress from about 9.44e7 Pa to 3.82e8 Pa.. Deformation increased from 0.32 mm to 1.26 mm, while equivalent static strain rose from 0.001 m/m to 0.004 m/m. The S/N curve analysis showed that fatigue life was under 500,000 cycles at loads between 10,000 and 20,000 N, and between 500,000 and 6,000,000 cycles at 5000 to 10,000 N.
A STUDY OF EXPERIMENTAL FUZZY CONTROL FOR BALL AND TUBE SYSTEM Dao, Anh-Quan; Nguyen, Ba-Thanh; Phan, Ngoc-Tho; Nguyen, Tuan-Loc; Nguyen, Tuan-Vu; Nguyen, Thanh-Cong; Le, Van-Duc-Thinh; Vo, Hoang-Trong-Thai; Le, Manh-Tin; Hoang, Ngoc-Huy; Nguyen, Hai-Dang; Le, Phuong-Tien; Le, Thi-Thanh-Hoang
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.178

Abstract

This paper presents a fuzzy logic control approach for a real ball-in-tube system, which is a classical single-input, single-output (SISO) nonlinear system. The primary objective is to balance the ball's position at a fixed set point while ensuring effective tracking when the reference value changes over time. The results demonstrate the controller's ability to maintain stable ball positioning and provide smooth and responsive tracking behavior in real-time conditions.
DESIGN OF A FUZZY CONTROLLER FOR A HEATING FURNACE SYSTEM To, Nguyen-Nhut-Huy; Pham, Quoc-Huy; Le, Anh-Quoc; Doan, Minh-Tu; Pham, Minh-Tri; Tran, Ngoc-Huy; Nguyen, Hoang-Thien-Phuc; Tran, Thanh-Tu; Phan, Minh-Nhat; Nguyen, Phuc-Loc; Dao, Duy-Anh; Nguyen, Thai-Bao; Le, Thi-Hong-Lam
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.182

Abstract

In thermal process control, conventional methods like PID often struggle to cope with nonlinearities, time delays, and external disturbances. This study presents the design and implementation of a Mamdani-type fuzzy logic controller for temperature regulation in furnace systems. Unlike traditional controllers, fuzzy logic offers flexibility, robustness, and does not require an accurate mathematical model. The proposed controller uses two input variables—temperature error and its rate of change—and one output variable to adjust the TRIAC firing angle, controlling the system's power input. Through MATLAB simulation and hardware implementation with LM35 sensors and TRIAC modules, the fuzzy system demonstrates rapid response, no overshoot, and stable operation across varying setpoints (50°C, 70°C, 90°C). Comparative results highlight the superior performance of fuzzy control over conventional PID, especially in systems with nonlinear behavior and dynamic characteristics. The findings confirm that fuzzy logic is a practical and efficient solution for real-time temperature control applications, offering high adaptability without manual parameter tuning.
LIQUID SMOKE PRODUCTION FROM PALM KERNEL SHELL PYROLYSIS: COMPARING COLD AIR AND CONVENTIONAL CONDENSATION METHODS Sipahutar, Riman; Bizzy, Irwin; Hidayati, Baiti
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.186

Abstract

Gas condensation is one of the problems in the liquid smoke production process. Uncondensed gas will have an impact on the liquid smoke produced and air pollution. Here, several methods are applied to determine the percentage level of liquid smoke produced by the gas condensation process. The condensation method uses conventional normal water, gas condensation using cold water, and gas condensation using cold air. The raw materials used are oil palm shells with a size of -4+5 mesh, a pyrolysis temperature of 300-4000C, and a liquid smoke production process for 300 minutes. Based on the test results, gas condensation occurs optimally in the cold air method, with the results of 22% liquid smoke, 64% charcoal, and 14% non-condensed gas. Compared with the condensation of the standard water method, the condensation method of cold air is superior to 36.36% for liquid smoke to minimize air pollution by up to 48%. The results of this study indicate that temperature and fluid effect the effectiveness of the gas condensation process, thereby increasing the yield of liquid smoke and reducing air pollution during the liquid smoke production process.
TEMPERATURE-DEPENDENT CORROSION OF AISI 1020, AL 1050, AND RIVETED JOINTS IN LANDFILL LEACHATE Gunawan, Gunawan; Hadi, Qomarul; Ramadhani, Muhammad Iqbal
Indonesian Journal of Engineering and Science Vol. 6 No. 2 (2025): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v6i2.102

Abstract

Corrosion is a critical degradation mechanism for metallic materials operating in aggressive environments such as landfills, where chloride-rich leachate, high moisture, and fluctuating temperatures accelerate electrochemical reactions. This study investigates the corrosion behavior of AISI 1020 carbon steel, Al 1050 aluminium, and their riveted joints under simulated landfill conditions at 30 °C, 40 °C, and 50 °C using the weight-loss method in accordance with ASTM G31-72. The landfill leachate used in this research contained high chloride, BOD, and COD levels, representing a chemically and biologically aggressive medium. Results show that AISI 1020 and Al 1050 experienced the highest corrosion rate at the early immersion stage (day 2), followed by passivation and a significant rate reduction by days 4 and 6. Increasing temperature accelerated initial corrosion for all materials, with Al 1050 showing greater susceptibility due to chloride-induced breakdown of its passive film. Riveted joints displayed much higher and less stable corrosion rates than single-material specimens, especially at elevated temperatures. Galvanic coupling between steel and aluminium, combined with crevice geometry at the rivet interface, intensified localized attack and disrupted protective oxide films. The most severe corrosion occurred in Al 1050 with riveted joints at 50 °C, reaching 0.523 mm/year on day 2. These findings highlight the combined roles of galvanic and crevice corrosion in riveted assemblies under landfill conditions and emphasize the need for careful material selection and joint design in waste management systems.

Page 1 of 1 | Total Record : 7

 1 

Filter by Year

2025 2025


Reset
Filter By Issues
All Issue Vol. 6 No. 2 (2025): Table of Contents Vol. 6 No. 1 (2025): Table of Contents Vol. 5 No. 2 (2024): Table of Contents: In progress Vol. 5 No. 1 (2024): Table of Contents Vol. 4 No. 1 (2023): Table of Content Vol. 3 No. 3 (2022): Table of Content Vol. 3 No. 2 (2022): Table of Content Vol. 3 No. 1 (2022): Table of Contents Vol. 2 No. 3 (2021): Table of Contents Vol. 2 No. 2 (2021): Table of Contents Vol. 2 No. 1 (2021): Table of Contents Vol. 1 No. 1 (2020): Table of Contents More Issue