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All Journal Distilat: Jurnal Teknologi Separasi Asian Journal Science and Engineering Journal of Evrimata: Engineering and Physics Evrimata: Journal of Mechanical Engineering
Hadi Susilo, Sugeng
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Materials Science & Nanotechnology Mechanical Engineering

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Cathodic Corrosion Protection on Low Carbon Steel Type H-beam (SM490YB) Using Zinc (Zn) Anode with Soil Corrosive Media Mixed with NaCl Lazuardi, Lazuardi; Rizza, Muhammad Akhlis; Hadi Susilo, Sugeng; Maryono, Maryono
Asian Journal Science and Engineering Vol. 2 No. 2 (2023): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v2i2.1019

Abstract

H-beam steel is often used as a basic material for building construction on the coast. Cases that often occur are H-beam steel that is installed quickly corrodes. This incident is caused by the coastal area belongs to an environment with a high level of corrosiveness.From the results of the pH tester test, the value of the degree of acidity is in rangeof pH=5 to pH=7.Coastal soils contain a lot of chloride Cl. In an acidic environment accompanied by a chloride Cl element, it triggers the breakdown of the passive layer on the surface which causes an anodic region to form so that the steel is in a state of releasing electrons. The problem that occurs can be overcome using a sacrificial anode cathodic protection system, with a zinc metal protection mechanism (Zn) 99, 99% which is used as a sacrificial anode has a lower potential value than the potential value of H-beam steel as a cathode protected by zinc metal (Zn) . This value of zinc metal (Zn) is more negative than the Fe steel which potential value is . The value of the potential difference is that it can be ascertained that the released Zn electrons can flow and adhere to the protected H-beam steel. Keywords: Surface Corrosion, Cathodic Protection, H-beam Steel, Zinc Anode(Zn)
The Effect of Variations of Magnetic Fields on Fuel Channels on The Efficiency of Consumption and Exhaust Emissions In Gasoline Engines Hadi Susilo, Sugeng; Faizal, Elka; Pebrianti, Dwi
Asian Journal Science and Engineering Vol. 3 No. 2 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i2.1690

Abstract

Research on the "Effect of Magnetic Field Variations on Fuel Channels on the Efficiency of Consumption and Exhaust Emissions on Gasoline Engines" focus on how magnetic fields with various forces can increase the efficiency of fuel consumption and reduce exhaust gas emissions in gasoline -fueled engines. In this study, the magnetic field was applied to the fuel channel with the aim of affecting the combustion process in the engine. The strength variations of the magnetic field used are expected to optimize fuel combustion, so that fuel consumption becomes more economical and exhaust emissions, such as oxygen (O₂), carbon monoxide (CO), carbon dioxide (Co₂), and hydrocarbons (HC), can minimized. The results showed that the application of magnetic fields has the potential to have a significant impact on engine efficiency, especially at certain rotation, which can create environmental benefits with cleaner gas emissions and reduce overall fuel consumption.
The effect of temperature and injection time on the injection molding process on the final weight of the mini tray product Hadi Susilo, Sugeng; Pebrianti, Dwi; Faizal, Elka
Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i1.1762

Abstract

Injection molding is an important process in plastic manufacturing, especially for mini tray production that requires stability and severe accuracy. Temperature and injection time affect product quality, including material distribution and possible defects. This study aims to analyze the effect of these two parameters on the final weight of the product and determine optimal arrangements to achieve consistent quality. This study uses an experimental method with independent variables in the form of temperature and injection time, as well as the dependent variable in the form of product weight. Data is collected through testing with KT-105 injection molding machine and analyzed using Minitab 19 software to test the relationship between variables statistically. The results showed that the temperature and time of injection had a significant effect on the weight of the mini tray. Anova analysis proves a strong relationship between these two parameters, with a p-value value <0.05
The influence of the hydrocarbon cracking system (HCS) on increased torque and reduction of exhaust emissions on a 4-step 1-cylinder gasoline motor Arif Nur Huda, muhammad; Hadi Susilo, Sugeng; Rohman, Fatkhur; Bin Abas, Mohammad Fadhil
Asian Journal Science and Engineering Vol. 3 No. 2 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i2.1763

Abstract

The automotive industry faces challenges in improving fuel efficiency and reducing exhaust emissions. One solution being developed is the Hydrocarbon Cracking System (HCS), which breaks down hydrocarbon molecules in fuel to enhance combustion efficiency. This study aims to analyze the effects of HCS on engine torque and exhaust emissions (CO, HC, and CO₂) in a four-stroke, single-cylinder gasoline engine. The research method involves an experimental factorial design of 6 × 2, testing torque and exhaust emissions at various engine speeds. Measurements were conducted using a dynamometer and a gas analyzer to compare standard conditions with HCS implementation. The results indicate that HCS increases engine torque by 3.40% and reduces CO and HC emissions by 28.12% and 54.35%, respectively. However, CO₂ emissions increased by 12.48%, indicating more complete combustion. Overall, HCS proves to enhance engine efficiency and reduce harmful emissions, making it a potential eco-friendly solution for motor vehicles.
Optimizing Flexibility in SUP9 Leaf Springs: The Synergistic Effect of Tempering Temperature and Holding Time Kris Witono; Agustriyana, Lisa; Hadi Susilo, Sugeng
Asian Journal Science and Engineering Vol. 4 No. 1 (2025): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v4i1.1886

Abstract

This study investigates the influence of tempering temperature and holding time on the flexibility of SUP9 steel leaf springs, addressing a practical need for enhanced vibration absorption in heavy-duty vehicles operating on irregular terrain. An experimental study was conducted using a full factorial design with three temperature levels (450°C, 550°C, 650°C) and three holding times (15, 20, 25 minutes). Flexibility was quantified by measuring the maximum deflection in a three-point bending test. The results demonstrate a strong, positive correlation between the tempering parameters and flexibility. The optimal flexibility (47.76 mm deflection) was achieved at the highest treatment condition of 650°C with a 25-minute holding time, representing an 83% improvement over the least effective treatment. ANOVA results confirmed that temperature, holding time, and their interaction are all statistically significant factors (p < 0.05). These findings provide a practical, data-driven guideline for manufacturing more resilient and comfortable leaf springs by optimizing heat treatment protocols.
Design for BLDC Motor Control System in Flying Electric Vehicle Nurus Syamsi, Muhammad; Hadi Susilo, Sugeng
Journal of Evrímata: Engineering and Physics Vol. 03 No. 01, 2025
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/journalofevrmata.v3i01.52

Abstract

The choice of control system for a flying electric vehicle/quadcopter is very important, especially for users who have never built or driven a flying electric vehicle. Electrical components which include the flight controller, ESC, battery, BLDC motor and other components have an influence in planning electric flying vehicles. Therefore, a BLDC motor control system is needed so that it can operate according to wishes and needs. The purpose of this research is to find out how the control system wiring diagram works, which includes the flight controller wiring diagram as the main flight control and the Electronic Speed ​​Control (ESC) wiring diagram as the BLDC motor speed controller. The choice of flight controller to operate the electric vehicle flight uses DJI Naza M V2 and electronic speed control uses a flier with a 3s-20s cell count configuration.
Propeller Arm Control System Planning for Flying Electric Vehicles Ainul Mafazi, Muhammad; Hadi Susilo, Sugeng
Journal of Evrímata: Engineering and Physics Vol. 03 No. 01, 2025
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/journalofevrmata.v3i01.54

Abstract

This research aims to design and develop a propeller arm control system for a flying electric vehicle. With the increasing need for efficient and environmentally friendly vehicles, this research focuses on control mechanisms that can improve vehicle maneuverability and speed performance. The research methods used include design planning, making motor mounts, and setting up the control system using the FLYSKY FS-i6 remote control and Lithium Iron Phosphate (LiFePo4) batteries. The results of the research show that the designed propeller arm control system can function well, providing a fast and accurate response to commands from the remote control. This research is expected to make a significant contribution to the development of flying electric vehicle technology, as well as opening up opportunities for further research in the field of automotive electronics.
Analysis of the Fin Incline Angle on Aerodynamic Stability of 60 mm Caliber Komando Asap Mortgarena Using Computational Fluid Dynamics Simulation Method Lazuardi , Lazuardi; Maryono, Maryono; Ali, Muhammad; Hadi Susilo, Sugeng
Evrimata: Journal of Mechanical Engineering Vol. 02 No. 01 (2025)
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/evrmata.vi.75

Abstract

This study aims to analyze and simulate the aerodynamic performance of the design of a training weapon grenade using the Computational Fluid Dynamics (CFD) method. CFD simulation allows the analysis of airflow around the grenade to identify the distribution of pressure, drag, and aerodynamic coefficients that play an important role in the efficiency of the grenade flight. The grenade design was tested under various conditions of speed and fin angle to understand their effects on stability and flight efficiency. The results of the simulation show that the variation of the mortar grenade with the fin position parallel to the launch angle has a fluid flow velocity of 84.1 m / s, the mortar grenade with the fin position tilted 2.5 has a fluid flow velocity of 82.7 m / s, and the mortar grenade with the fin position tilted 5 has a fluid flow velocity of 85.8 m / s from the data obtained, the inclination of the fin angle significantly affects the aerodynamic performance of the mortar grenade. This study provides insight that shifting the fin angle on the grenade can increase stability and minimize air resistance during flight.
The effect of changes in squish head angle on compression and torque ratio pressure on 160cc motorcycles Rahmadillah Putra Yuslam, Aviv; Hadi Susilo, Sugeng; Purwoko, Purwoko
Evrimata: Journal of Mechanical Engineering Vol. 02 No. 01 (2025)
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/evrmata.vi.80

Abstract

This research is to direct the mixture of air and fuel exactly to the top of the midpoint of the dome in the cylinder head. In addition, Squish Head also determines the character of the motorcycle. Moreover, what is very prominent in the initial pull is that if the compression ratio is denser, the pull is lighter.This study aims to determine the effect of changes in the slope angle of the squish head of 15, 17 and 19 degrees on compression and torque. In this study, experimental research is used with a quantitative method, where information that can be calculated and measured is factual because it is in the form of numbers. Researchers to get the data will conduct tests using the dynotest tool.Changes in slope of the squish head have an effect on the torque. At an angle of 15 degrees, torque is produced at 9.91 N.m at 6000 RPM engine rotation. At an angle slope of 17 degrees, the torque increases by 0.14 N.m to 10.05 N.m at 6000 RPM engine rotation. At an angle of 19 degrees, the torque increases by 0.17 N.m to 10.22 N.m at 6000 rpm.
ANALISA EKONOMI KUB MUSTARIKA JAYA MAKMUR DALAM PRODUKSI KEJU MOZZARELLA Widya Amalia, Elsa; Irfin, Zakijah; Noer Syamsiana, Ika; Hadi Susilo, Sugeng; Moentamaria, Dwina; Rulianah, Sri; Dwi Chrisnandari, Rosita
DISTILAT: Jurnal Teknologi Separasi Vol. 11 No. 3 (2025): September 2025
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/distilat.v11i3.7462

Abstract

Keju mozzarella merupakan salah satu produk olahan susu yang menunjukkan tren konsumsi yang meningkat di Indonesia dalam beberapa tahun terakhir. Penelitian ini bertujuan untuk mengevaluasi kelayakan ekonomi produksi keju mozzarella skala pilot di KUB Mustarika Jaya Makmur, Desa Ngantru, Kecamatan Ngantang, Kabupaten Malang. Proses produksi menggunakan teknologi tepat guna berupa sistem pasteurisasi berbasis Pulse Electric Field (PEF) yang terintegrasi dengan fermentor, dengan kapasitas 5 kg keju per batch dari 50 liter susu sapi segar dan dirancang untuk beroperasi selama 350 hari per tahun. Analisis ekonomi dilakukan dengan menghitung kebutuhan investasi awal (Fixed Capital Investment, Working Capital Investment, dan Total Capital Investment), biaya produksi tahunan (Total Production Cost), serta indikator profitabilitas usaha yang mencakup Return on Investment (ROI), Payback Period (POT), Break Even Point (BEP), Shut Down Point (SDP), dan Internal Rate of Return (IRR). Hasil perhitungan menunjukkan bahwa nilai investasi total mencapai Rp174.781.031,10, dengan biaya produksi tahunan sebesar Rp203.264.573,47 dan laba bersih setelah pajak sebesar Rp40.388.341,22. ROI tercatat sebesar 23,12%, dan modal dapat kembali dalam waktu 2,5 tahun. Titik impas tercapai pada kapasitas 58,71%, sementara SDP berada pada 14,28%. IRR sebesar 19,25% menyatakan bahwa usaha ini layak secara finansial.
Co-Authors Ainul Mafazi, Muhammad Akhlis Rizza, Muhammad Bin Abas, Mohammad Fadhil Dwi Chrisnandari, Rosita Faizal, Elka Fatkhur Rohman Irfin, Zakijah Kris Witono Lazuardi , Lazuardi Lazuardi Lazuardi Lisa Agustriyana Maryono Maryono MUHAMMAD ALI Muhammad Arif Nur Huda Nurus Syamsi, Muhammad Pebrianti, Dwi Purwoko Purwoko Rahmadillah Putra Yuslam, Aviv Sri Rulianah, Sri Syamsiana, Ika Noer Widya Amalia, Elsa