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Program Studi Teknik Mesin, Fakultas Teknik, Universitas Lambung Mangkurat Jalan Jenderal Achmad Yani KM 35,5 Banjarbaru, Kalimantan Selatan - 70714
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Scientific Journal of Mechanical Engineering Kinematika
Published by Universitas Lambung Mangkurat
ISSN : 26559048     EISSN : 2655903X     DOI : http://dx.doi.org/10.20527
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is a mechanical engineering journal that focuses on Energy, Applied Mechanics, Materials, Manufacturing Processes. SJME Kinematics journal publish in Indonesian and receive in English. Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is an Open Access Journal that is available for free on online media. We are not only accept journals that focus on the derivatives of the four fields below, but also the possibility of an integrated focus of fields from several fields.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 166 Documents
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ANALISIS DAMPAK BIAYA DI PT XYZ AKIBAT KONVERSI BAHAN BAKAR DARI COMPRESSED NATURAL GAS (CNG) KE INDUSTRIAL DIESEL OIL (IDO) SEBAGAI PENGGERAK HOT GAS GENERATOR Sukendro Broto Sasongko; Rochmad Edy Budi Laksono; Hery Irawan
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.v10i1.682

Abstract

PT. XYZ pursues the efficiency of the mill machine by the fuel convertion. Here, the fuel is to power the hot gas of the cement mill machine. Thus, the effect of those detected by the exit temperature machine. The method of investigation to the using of different fuels are Industrial Diesel Oil (IDO) and Compressed Natural Gas CNG experimentally. The hot gas effect observed by the exit temperature of the cement mill machine. The boiler performance is monthly average running. The IDO performs in May, and CNG is in September. Experimental method deploys a seven-week trial procedure. The exit temperature of the cement mill is studied by monitoring it’s fluctuate. Further, the economical balance present the fuels used counted by its operational cost. The result of the exit temperature of cement mill machine is 91ºC for IDO use. It is higher than the operation average temperature of about 87ºC. It rises 10% better than that in CNG. The machine efficiency revises 15%. The operation cost depresses to 18.98% per year. It is about Rp 1,972,718.106 from Rp 10,393,667.576 per year. Otherwise, the exit temperature of mill machine is a reference to obtain the machine’s high reliability
PENGUJIAN MECHANICAL RUNNING DAN UNJUK KERJA POMPA SENTRIFUGAL SEBAGAI VALIDASI PERANCANGAN Agung Sudarsono; Rosyida Permatasari; Alizar; Hezron Elyakim Potto; Mulus Harliady Pamungkas; Nur Aziz Sulaiman
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.v10i1.710

Abstract

This study validates the centrifugal pump design used in the cooling system of a 28 MW power plant project in Papua Island. Validation was conducted through mechanical and performance tests. Performance test based on ISO 9906 standards. Tests included measurements of bearing temperature, vibration, noise, and performance parameters such as head, flow rate, and efficiency. Results revealed deviations of ±4% and 0.36% in head and flow rate, along with a 6% efficiency reduction, all within the ISO 9906 Grade 2 tolerance limits. The analysis confirmed the pump meets design specifications and is suitable for implementation in the power plant's cooling system. These findings highlight the critical role of performance testing in ensuring the reliability and operational suitability of pumps.
ANALISIS TEGANGAN SECARA STATIS DAN DINAMIS PADA POROS TRUK PENGANGKUT RINGAN MENGGUNAKAN METODE ELEMEN HINGGA Muhammad Fakku Ilham Firmansyah; Ahmad Anas Arifin; Eka Marliana; Miftahul Ulum
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.v10i1.712

Abstract

The purpose of this study is to determine the structural failure that occurs in the propeller shaft model of light duty vehicles with FCD450-10, SM45C, and SCM440 material types due to static and dynamic loading. This research was conducted using a simulation-based finite element method on software. The results of static FEM simulations show that each material has its own characteristics. Based on the static stress analysis that has been carried out, the results are obtained that the FCD450-10 material is stated to be in the best condition among other materials with the smallest equivalent stress value, which is 0.34203 MPa, and has the lowest minimum shear stress value of 0.19294 MPa. The best maximum total displacement value was obtained in SCM440 material, with the smallest value of 8.3405 mm. Based on the results of the Random Vibration simulation on the directional deformation of the SCM440 material, it is stated that it is in the best condition among other materials, with the smallest maximum directional deformation value of 30.109 mm and at the equivalent stress the smallest maximum value obtained is 84,433 MPa
ANALISIS AERODINAMIKA DAN AEROAKUSTIK AIRFOIL WORTMANN FX63-137 Muhammad Zidane Athaya Zulkipli; I Kade Wiratama; I Gusti Ngurah Ketut Yudhyadi
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.v10i1.714

Abstract

The aerodynamics and aeroacoustics of airfoils are important considerations in the design of wind turbine blades. Improving wind turbine efficiency by maximizing power requires consideration of minimizing noise levels for environmental health. There aren't many studies that use the Wortmann FX63-137 airfoil for both noise prediction with Large Eddy Simulation (LES) and aerodynamic analysis using the SST k−ω model. This study seeks to examine how variations in the angle of attack impact the aerodynamic performance and noise levels of the airfoil. The ANSYS Fluent with the SST k−ω model was used to simulate the airfoil's aerodynamic performance, and LES was used to analyze the airfoil's aeroacoustic performance as the angle of attack changed from 0° to 12°. The results show that increasing the angle of attack raises the CL to a maximum at 12° but also increases CD, which reduces aerodynamic efficiency. Noise levels increase as the angle of attack increases, with peak noise occurring at the trailing edge. This study provides insights for optimizing the design of more efficient wind turbine airfoils while considering environmental noise levels..
REVOLUTIONIZING RENEWABLE ENERGY AN INNOVATIVE DESIGN OF ARCHIMEDES WIND TURBINE INTEGRATED WITH SOLAR PANELS Sihmaulana Dwianto; Ardianto Syaifur Rohman; Tunjung Genarsih; Audha Fitrah Aulina
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.v10i1.723

Abstract

This study aims to analyze the structural strength and aerodynamic performance of an Archimedes Screw Wind Turbine (ASWT) integrated with solar panels as a hybrid renewable energy system. The methodology includes static simulations using Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) simulations conducted with Ansys software. The turbine design consists of three spiral blades made of aluminum 6061-T6, with key parameters: an outer diameter of 300 mm, blade length of 137.4 mm, blade thickness of 1.5 mm, and a tilt angle of 65°. Wind loads were applied at speeds ranging from 50–100 m/s from frontal and lateral directions, as well as on the support structure. The static simulation results showed maximum stresses of 19.8 MPa (frontal), 27.67 MPa (lateral), and 2.6 MPa (support), all well below the material’s yield strength of 276 MPa. CFD simulations with a 7 m/s inlet velocity and tip speed ratio (TSR) ranging from 4 to 10 indicated optimal aerodynamic performance at TSR values of 7–8. Efficiency decreased at higher TSR due to solid wall effects and wake vortex formation. Overall, the ASWT-solar panel design is structurally safe and aerodynamically efficient, though further optimization of blade geometry and TSR control is recommended to enhance system performance.
OPTIMASI DESAIN MOLD COVER TOWING FRONT BUMPER MELALUI SIMULASI MOLDFLOW UNTUK MENGURANGI CACAT PRODUK Abdul Wahid Arohman; Andi Muhammad Hanif Tjoppo; Edwin Sahrial Solih; Sanurya Putri Purbaningrum; Desy Agustin; Fredy Sumasto
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.v10i1.725

Abstract

Plastic injection molding is a method of forming a product that uses plastic (Polymer) as the main material. The resulting product must have as few defects as possible because it will reduce the quality value and customer satisfaction. In this study, the mold was made for the Front towing bumper cover product with the design and simulation stages. The simulation process uses Moldflow Software to identify possible product defects that occur with variations in melt temperature of 200, 240, and 280 (°C). The result obtained in this simulation is the optimal melt temperature for producing products in the injection molding process by selecting a temperature of 240°C. This temperature is the most optimal because it has faster fill time and cooling time, with an optimum percentage of 25% compared to the temperatures of 200 and 280 (°C). In potential defects such as air traps, weldlines, and shinkmarks, a temperature of 240 (°C) has fewer potential defects than 200 and 280 (°C).
EVALUASI DESAIN RANCANG BANGUN PUNCH DAN DIE MENGGUNAKAN SIMULASI STATIK SEBAGAI QUALITY CONFIRMATION Edwin Sahrial Solih; Ahmad Arif; Sanurya Putri Purbaningrum; Desy Agustin; Abdul Wahid Arohman; Fadhil Fadhlurrohman Nurhadi; Fredy Sumasto
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.v10i1.727

Abstract

Modern manufacturing industries demand high efficiency and consistent product quality, especially in metal forming processes such as stamping dies. An accurate punch and die design essential to ensure the success of bending operations, particularly for metal-based products like forks. This study aims to evaluate the structural reliability of punch and die designs through a static simulation approach as a quality confirmation method prior to manufacturing. The methodology includes die geometry design, selection of SKD11 tool steel based on its mechanical properties, and stress analysis using SolidWorks software under a static load of 35 tons. The stress distribution was analyzed using the Von Mises method, and the Factor of Safety (FOS) was calculated as a design safety indicator. Simulation results show that the maximum stress on the die was 9.91 × 10⁷ N/m² and on the punch was 1.01 × 10⁸ N/m², both well below the yield strength of SKD11 (6.88 × 10⁸ N/m²). The FOS values of 3.47 for the die and 3.26 for the punch confirm structural safety. Validation through trial dies and 3D scanner measurements indicated dimensional deviations within the acceptable tolerance range. This approach effective for improving design accuracy and production efficiency in stamping die manufacturing.
PENGARUH SUDUT PENGAPIAN DAN DURASI INJEKSI ECU ARDUINO TERHADAP KINERJA DAN EMISI GAS MOTOR FI Muhamad Andito Yogatama; Taufik Wisnu Saputra; Danar Susilo Wijayanto
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.v10i1.729

Abstract

The increasing number of motorcycles in Indonesia, exceeding 125 million units in 2022, reflects the high demand for efficient and environmentally friendly vehicles. This trend drives the advancement of combustion system technology, notably the shift from carburetors to Electronic Fuel Injection (EFI). EFI is an electronically controlled fuel delivery system designed to optimize combustion through precise control of ignition timing and fuel injection duration. This system has proven effective in improving engine efficiency and reducing exhaust emissions. However, most mass-produced motorcycles are still equipped with non-programmable ECUs, limiting tuning flexibility. This study evaluates the use of an Arduino-based programmable ECU as a more adaptive alternative. Experiments were conducted on a Honda Vario 110cc FI, varying ignition timing (+2°, +4°, +6°, +8°, +10° BTDC) and fuel injection duration (+5%, +10%, +15%) using Pertamax RON 92 fuel. The results showed an 8% increase in maximum torque (16.98 N.m) at +4° and +5% configuration, and a 3% increase in maximum power at +2° and +10%. The lowest HC and CO emissions were recorded at +2° and +5%, with reductions of 44% and 41%, respectively. The Arduino-based ECU effectively enhances engine performance while maintaining emission efficiency.
ANALISIS PENGARUH KETEBALAN LAPISAN TERHADAP KEKASARAN PERMUKAAN PRODUK CETAK PLA MENGGUNAKAN TEKNOLOGI FDM UNTUK INDUSTRI MANUFAKTUR Nurhidayanti; Lukmanul Hakim Arma; Rusdi Nur
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.v10i1.737

Abstract

Additive manufacturing (AM), commonly known as 3D printing, uses various methods, including Fused Deposition Modeling (FDM). This study focuses on the surface roughness performance of 3D-printed propellers using FDM with PLA material. This study aims to determine the optimal layer thickness to achieve the best surface quality in additive manufacturing. Surface roughness was measured using the arithmetic mean (Ra) and measured at the propeller's centre, base, and endpoints with an Olympus laser scanning microscope. Experiments were conducted with layer thicknesses of 0.1 mm, 0.2 mm, and 0.3 mm, while keeping other printing parameters constant, namely printing temperature at 210°C, printing speed at 50%, nozzle diameter at 0.4 mm, bed temperature at 70°C, infill pattern lines, infill density at 100%, edge support type, wall thickness at 0.8 mm, and eSUN material diameter at 1.75 mm. The results show that a layer thickness of 0.1 mm produces the highest surface quality and dimensional accuracy at all tested points on the propeller, but affects the printing time. These results underline the important role of layer thickness in optimizing the surface finish and structural integrity of 3D printed components in additive manufacturing processes
STUDI KARAKTERISTIK LASAN ALUMUNIUM 6061-T6 DENGAN BERBAGAI METODE PENGELASAN Josua Simaremare; Suprianto Suprianto
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 2 (2025): SJME Kinematika Desember 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.v10i2.751

Abstract

Tungsten inert gas (TIG) and Metal inert gas (MIG) welding have been used to join varying materials; however, shielded metal arc Welding (SMAW) is rarely used for aluminum. This study aims to investigate the weld quality by using three welding methods for joining aluminum 6061-T6. The Welding process was carried out using a welding machine combination with an AWS electrode: E4043, filler consisting of ER 4043 0.8 and ER 4043. Defect inspection was performed using Dye Penetrant Check, Vickers hardness test, and tensile strength were carried out at room temperature. Visual observation of the microstructure at the weld and heat-affected zone (HAZ) areas with 200x magnification by using an optical microscope. The result shows more defects formed with SMAW in comparison with the TIG and MIG methods. The highest hardness, 63.8 HV, was achieved at the HAZ area, and a tensile strength of 195.4 MPa was obtained using the MIG technique. Microstructural observations reveal that the transformation in the HAZ area resulted in flat and coarse-grained structures.

Page 16 of 17 | Total Record : 166

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