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Rekayasa Mesin
ISSN 2338-1663 · University of Brawijaya · 710 articles in the index
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Journal Article
Analysis of Total Productive Maintenance (TPM) for the Autoclave-035 Machine Using Overall Equipment Effectiveness (OEE) and the Six Big Losses
PT.MJF is a pharmaceutical company engaged in livestock pharmaceuticals and produces several products. One of its sub-units is engaged in maintenance, producing vaccines, and sterilizing pharmaceutical equipment. Production activities in this sub-unit require a steam machine to sterilize livestock…
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Journal Article
SELECTION OF AN EFFECTIVE AND EFFICIENT DUAL-FUEL PROPULSION SYSTEM FOR LNG ISO TANK LCT SHIPS
Flexible dual-fuel technology is becoming increasingly important in the marine market, where alternative fuels are receiving more attention due to increasing concerns over exhaust pollutant emissions generated by internal combustion engines, fluctuating fuel costs, crude oil depletion, and…
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Journal Article
The Effect of Friction Spot Stir Welding in Installing Double Cover Rivet Lap Joints on Aluminum 2024 – T3 and 7075 – T6 with Mechanical Strength
Selection and treatment of materials in the aerospace, marine, transportation, and manufacturing industries are crucial for achieving efficient configurations. Aluminum is one of the materials widely used in these industries due to its lightweight, corrosion resistance, and good electrical…
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Journal Article
Strength and Deflection Analysis of a Tubular Screw Feeder
The initial objective of this report is to design a screw feeder system with a design that can uniform the flow of a product. In this study, coincidentally, there is a company in Malang that needs a tool to convey their product, which is fine salt. The design of this screw feeder is created using…
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Journal Article
Effect of Pyrolysis Temperature Variation on Optimization of Tobacco Stalk Biochar Characteristics
Tobacco stalk waste is an agricultural residue with high potential for development as a renewable energy source through a thermochemical conversion process. This study aims to evaluate the effect of varying pyrolysis temperature on the physical and chemical characteristics of biochar produced from…
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Journal Article
The Effect of Temperature on Making Filaments Made Of Polylactic Acid (PLA) Seeds Using a Plastic Extruder Machine on Mechanical Properties
A plastic extruder is a tool used with the extrusion process to change the shape of plastic shreds into filaments using high temperatures during the plastic melting process. The effect of temperature on the process of making filaments made from Polylactic Acid (PLA) using a plastic extruder machine…
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Journal Article
Automated Nata De Coco Cutting Machine with Double Moving Blades Design
This research presents the design and development of an automated nata de coco cutting machine featuring a synchronized double-moving blade system to achieve consistent cube-shaped cuts. The study addresses key challenges in cutting the elastic texture of nata de coco into precise in cube…
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Journal Article
Effect of Air Flow on Drying Stevia Rebaudiana using Solar Dryer Greenhouse
A phenomenon known as the greenhouse effect happens when solar radiation is trapped and heats the planet. This effect is useful for drying agricultural materials. One of the natural sugar substitutes that is dried during production is stevia rebaudiana. This research aims to determine the effect of…
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Journal Article
Process–Composition–Property Relationships of Blended Coconut Shell–Teak Leaf (Tectona Grandis) Powder Biochar Briquettes for Solid Renewable Fuel Applications
The increasing demand for sustainable solid fuels has driven the development of biochar briquettes based on coconut shells and teak leaves with tapioca starch as a binder. This study evaluated the effect of the mixing ratio of coconut shell and teak leaf biochar (50:40, 60:30, and 70:20; 10%…
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Journal Article
A Novel Coffee Fermentation Bioreactor with Water Jacket and Stirring System: Design, Simulation, And Structural Evaluation
Temperature and pH are critical factors in the coffee fermentation process, necessitating a bioreactor for precise control. Existing bioreactors struggle with temperature regulation, prompting the need for an improved design. This study develops a bioreactor with a 50 kg/batch capacity, featuring a…
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Journal Article
Surface Hardening of Mild Steel: The Role of Carbon Source in Pack Carburizing on Hardness and Microstructure
One effective approach to improve the surface hardness of steel is pack carburizing, in which carbon is introduced into the surface in a sealed chamber. This study investigates the effect of different carbon powder media on the surface hardness and microstructure of low-carbon steel subjected to…
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Journal Article
Analysis of the Performance of a Simple Vise (Fixed Vise) with a Hydraulic Drive System
A vise is a crucial tool in the manufacturing sector that helps hold workpieces steady while they are being sawed, drilled, and filed. However, a basic vise's thread system frequently malfunctions, raising the possibility of workplace mishaps and decreasing accuracy and productivity. This study…
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Journal Article
Aerodynamic Analysis of Marapi Electric Car Body Using Ansys Fluent
Aerodynamic car design plays a crucial role in reducing drag, which in turn lessens fuel consumption. This study aims to investigate the effects of airflow around vehicles. This research simulated a 3D electric vehicle in unsteady conditions with various velocities, i.e., 10 m/s to 60 m/s. This…
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Journal Article
Increased the Surface Hardness of Recycled Piston Waste by Variation of Shot Pressure in Shot-Peening Method
The increasing demand for aluminium in the motorcycle industry has led to significant concerns regarding sustainability and resource utilization. Recycling aluminium waste, particularly from discarded motorcycle pistons, presents a viable solution to address material shortages and reduce…
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Journal Article
TEMPERATURE AND GEOMETRY ANALYSIS IN N-LAYER WIRE ARC ADDITIVE MANUFACTURING USING GMAW AND ER70S-6 FILLER
WAAM products produce a relatively rough and less precise final surface. Therefore, this study investigated and analyzed the geometric dimensions of the product at each layer and cycle time to achieve N-layers with the aim of obtaining a baseline operational time and achieving WAAM dimensional…
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Journal Article
Validation of Experimental Study and SimulationOTEC Power Plant using Shell-Tube Heat Exchanger Materials with Copper, Tin, and Working Fluid Ammonia
The results of experimental research on marine thermal power plants using a shell and tube heat exchanger made of copper-tin (Cu-Sn) alloy are the main focus of this study. This study uses a heat exchanger Scale Model measuring 60 mm wide x 1 meter long. The system operated using a closed cycle and…
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Journal Article
Optimization of Solar Panel Tilt for Enhanced Electrical Power Output based on Solar Radiation Variations in Cilacap
The performance of photovoltaic (PV) systems in tropical regions such as Indonesia is strongly influenced by the panel tilt angle, which determines the amount of solar radiation captured. An inappropriate orientation can cause substantial energy losses and reduce overall system efficiency. This…
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Journal Article
Analysis of Surface Roughness Parameters of Copper Alloy Ring Synchronizer Outer Components Fabricated by CNC Turning on the Okuma 2SP-150H Lathe
The change of insert chips in the CNC Turning Surface Finishing process has led to mismatched turning parameters and a deterioration in the surface roughness quality of the Ring Synchronizer Outer. As a result, it is necessary to optimize the cutting parameters to maintain surface roughness quality…
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Journal Article
Stress Evaluation in Horizontal Directional Drilling Pipeline Design: A Combined Theoretical and Finite Element Method
Horizontal Directional Drilling (HDD) is commonly used to install underground pipelines, particularly for river crossings or in highly populated areas, due to its minimal surface disruption. However, the usual analysis method provided by the Pipeline Research Council Institute (PRCI), which mainly…
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Journal Article
Component Design for Motorcycle Conversion from 108 cc Internal Combustion Engine (ICE) to 2000 Watt Electric Vehicle (EV)
For 91% of the world's population, the air environment is very bad because it exceeds the threshold set by the World Health Organization. The global transportation sector is experiencing major changes towards sustainability and innovation because it is one of the contributors to air pollution. This…