Article Per Year (5 Year)
p-Index From 2021 - 2026
2.994
P-Index
This Author published in this journals
All Journal International Journal of Advances in Applied Sciences Jurnal Teknologi Journal of Mechanical Engineering Science and Technology Journal of Energy, Mechanical, Material and Manufacturing Engineering Dinamisia: Jurnal Pengabdian Kepada Masyarakat SENTIA 2016 JOURNAL OF SCIENCE AND APPLIED ENGINEERING Energy : Jurnal Ilmiah Ilmu-Ilmu Teknik INTEK: Jurnal Penelitian Journal of Engineering and Scientific Research (JESR) Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Pengabdian dan Pemberdayaan Nusantara (JPPNu) Jurnal Pengabdian Kepada Masyarakat Asian Journal Science and Engineering Jurnal Teknik Mesin Jurnal Polimesin
Satworo Adiwidodo
Jurusan Teknik Mesin, Politeknik Negeri Malang
Religion Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

Published : 23 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 23 Documents
Search

 1   2   3 
Implementation of Failure Mode and Effect Analysis (FMEA) for centrifugal pump maintenance in water supply distribution system Zakki Fuadi Emzain; Zean Galang Wardhana; Satworo Adiwidodo; Siti Duratun Nasiqiati Rosady; Prasetyo Prasetyo; Muhammad Andi Nova
Jurnal Polimesin Vol 22, No 3 (2024): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i3.4739

Abstract

A centrifugal pump is an essential mechanical device in the Regional Drinking Water Company (PDAM) to distribute sterile water from the reservoir to local community houses by flowing the fluid through the pipeline. However, improper and inadequate maintenance of centrifugal pumps can result in component damage, including bearings that are broken, ripped, or damaged mechanical seals. Therefore, for the water supply to continue smoothly, proper maintenance needs to be carried out so that the engine's performance will be maintained and last longer. This study aims to conduct a maintenance analysis on centrifugal pumps utilized by the PDAM of Madiun City. The Failure Modes and Effects Analysis (FMEA) method was employed to assess the potential failure of a system, design, process, or service by implementing a systematic approach to analyze damage and devise maintenance strategies. The FMEA analysis revealed that the shaft of the centrifugal pump component had the highest Risk Priority Number (RPN) value, which amounts to 294. The wearing ring had the lowest RPN value among the centrifugal pump components, with a value of 54. The Pareto diagram results classified six components: shaft, clutch, stuffing box, motor, impeller, and mechanical seal to recommend preventative maintenance action. Additionally, three other components suggested for corrective maintenance were the bearing, packing, and wearing rings
Simulation of Effect of Airfoil MH32 with Variation Taper Ratio and Angle of Attack Coefficient Lift and Drag Fixed wing Unmanned Aircraft Adiwidodo, Satworo; Wijaya, Andy Hermawan
Asian Journal Science and Engineering Vol. 1 No. 1 (2022): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v1i1.396

Abstract

Nowadays, the aerospace sector is growing very rapidly. One of the newest technologies is unmanned aerial vehicle. This UAV has functions to monitor disaster, mapping, espionage and shooting target. Therefore it needs a plane that can fly fast and agile. To achieve these characteristics, one of the most important things is the design of the wings. Some of the important parameters contained in the wings are the type of airfoil, aspect ratio, wing area, taper ratio, and angle of attack. The article aims to analyze the type of airfoil MH32 as well as the effect of the parameter taper ratio with variations of 0.2, 0.4, 0.6 in variations of angle of attack 0 °, 3 °, 6 °, 12 ° and 15 ° to the value of coefficient of lift and coefficient of drag. The method used in this research is experimental with a computational approach using a computer, the advantage of this method is that it does not need a real plane shape. The type of simulation used is Computational Fluid Dynamic (CFD) found in Ansys Fluent. From the simulation, value of coefficient of lift, coefficient of drag, and image of pressure contour and streamline velocity were obtained. All the data was processed and analyzed, then the result is that the taper ratio 0.4 has the highest lift to drag ratio of 19,417. It means that it has the highest value of the coefficient of lift and has the lowest coefficient of drag. These simulated results are validated with experimental from UIUC (University of Illinois at Urbana-Champaign) 1996. The conclusion of this study is that the smaller the taper ratio, the greater the value of the lift coefficient. Then increase the angle of attack to make the value of the lift coefficient is also getting bigger. Keywords: Simulation Effect Airfoil, Coefficient Lift, Coefficient Drag
The Effect Of Pitch Ratio On Screw Turbine Performance With Tip Fin Adiwidodo, Satworo; Ahmad, Masrur Maulana
Jurnal Teknologi Vol 16, No 1 (2024): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.16.1.75-82

Abstract

A water turbine is an energy conversion machine that converts water head into shaft movement. In screw-type turbines, performance is influenced by several parameters including outer diameter, inner diameter, rotor length, head angle, number of blades, and pitch distance. This research uses a screw turbine type with a tip fin. The research aims to determine the performance of screw turbines with tip fins on mechanical power and efficiency. The research independent variables consist of pitch ratio and flow rate. The pitch ratio variations used are 1.2; 1.4 and 1.6 while the variations in flow rate used are 3 l/s, 3.5 l/s, and 4 l/s. The method used in this research is experimental. This study's data analysis employed the two-way Anova method with an alpha (α) of 5%. Anova's results show that the P-value of the interaction of the two independent variables, pitch ratio and water discharge, is <0.05, meaning that the independent variables have a significant influence on the performance of the screw turbine. The highest turbine performance results were at a pitch ratio of 1.4 at a water flow rate of 4 l/s resulting in an efficiency value of 34.91% and a mechanical power value of 6.82 watts at a rotational speed of 125 RPM. The lowest turbine performance results at a pitch ratio of 1.2 with a flow rate of 3 l/s resulting in an efficiency of 22.64% and a mechanical power of 3.32 watts at a rotational speed of 56 RPM.
The Performance Comparison of Battery Charging Using MPPT and PWM Controllers on Amorphous Solar Panel-Based E-Scooters Asrori, Asrori; Adiwidodo, Satworo; Faizal, Elka; Martawati, Mira Esculenta; Mardyansyah, AA
Journal of Engineering and Scientific Research Vol. 6 No. 1 (2024)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jesr.v6i1.151

Abstract

Solar Panel-Based Electric Scooter (E-Scooter) is an electric vehicle in the form of a scooter that uses solar panels as a source of electrical energy for charging batteries and a BLDC motor as a wheel drive. With the development of the E-Scooter, it is necessary to know how to charge the battery. The purpose of this research is to determine the type of Solar Charge Controller (SCC) that can maximize battery charging on the E-Scooter. The research method is to compare SCC MPPT and SCC PWM. The research was conducted by monitoring the output current and voltage of the solar charger controller generated by the solar panels every 10 minutes. After that the recorded data will be stored in the monitoring device's storage memory for further processing. The results of the data that have been obtained on the e-scooter using the SCC MPPT type are capable of producing a power of 9.05 W with a current value of 0.33 A and a voltage of 27.47 V. Meanwhile, the PWM type SCC is capable of producing 8.22 W of power with a current value of 0.30 A and a voltage of 27.42 V. So that the MPPT type SCC is more economical than PWM for charging when the e-scooter is not moving. For the running conditions of the MPPT type SCC e-scooter is capable of producing 7.36 W of power with a current value of 0.27 A and a voltage of 27.26 V. Meanwhile, the PWM type SCC is capable of producing a current of 6.81 W with a value of 0.25 A and a voltage 27.24 V. So that the MPPT type SCC is more efficient than PWM for charging when the e-scooter is running.
Studi Eksperimental Diameter Lubang Nozzle Dan Laju Aliran Volumetrik Udara TerhadapTemperatur Nyala Api Kompor Berbahan Bakar Oli Bekas Hamim, Mohammad Rohman; Adiwidodo, Satworo
Energy - Jurnal Ilmiah Ilmu-Ilmu Teknik Vol 14 No 2 (2024): Jurnal Energy Vol. 14 No. 2 November 2024
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v14i2.2113

Abstract

The utilization of used oil into fuel has begun to be used today even though only some people. Knowing how the interaction of nozzle hole diameter on fire temperature in portable stoves. In this study used experimental research, by testing the value of the independent variable with (nozzle hole diameter (2, 3, 4) and variation of air volumetric flow rate, the response obtained (dependent variable) knowing the causal relationship of the study. This research processing method uses factorial ANOVA. see the interaction between independent variables on the dependent variable in addition to seeing the effect of independent variables on the dependent variation. The flame that produces the highest temperature 900C in the 3mm hole diameter variation by having an air flow rate of 0.004 mᶟ/s. The flame with T1 varies the diameter of the 4mm hole with the speed of the air flow rate at 0.006 mᶟ/s. Then the T2 flame has decreased graphically from the previous diameter at 3 mm hole diameter with air volumetric flow velocity at 0.006 mᶟ/s. The larger the hole, the smaller the air pressure, otherwise if the smaller the diameter of the nozzle hole, the greater the pressure spread into the combustion chamber is better.
STUDI EKSPERIMENTAL KOMPOR PORTABEL BERBAHAN BAKAR OLI BEKAS DENGAN VARIASI JUMLAH LUBANG NOZZLE DAN DEBIT UDARA TERHADAP DISTRIBUSI TEMPERATUR: EXPERIMENTAL STUDY OF THE INFLUENCE OF THE NUMBER OF NOZZLE HOLES AND AIR DISCHARGE ON TEMPERATURE DISTRIBUTION IN USED OIL-FUEL PORTABLE STOVES Mochammad Farhan Aprilianto; Satworo Adiwidodo
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5956

Abstract

The use of motorized vehicles increases the amount of used oil produced. This study aimed to determine the effect of variations in the number of nozzle holes and air discharge on temperature distribution. Research using experimental methods to determine the effect of the number of nozzle holes and air volumetric flow rate on temperature distribution on portable stoves. Data from flame temperature measurements using thermocouple and thermogun tools, with repetition 3 times. Data analysis used factorial ANOVA to see the interaction between the independent variables on the dependent variable. The results show the lowest point of the flame at the number of holes 25 with a temperature of 544 ˚C and the highest point at the number of holes 20 with a temperature of 792 ˚C. In the air discharge variation, the lowest point of flame is at 0.002 mᶟ/s air discharge with a temperature of 463 ˚C and the highest point is at 0.006 mᶟ/s air discharge with a temperature of 793 ˚C.
Impact of Print Speed and Nozzle Temperature on Tensile Strength of 3D Printed ABS for Permanent Magnet Turbine Systems Wirawan, Wirawan; Firmansyah, Hilmi Iman; Adiwidodo, Satworo; Mustapa, Mohammad Sukri
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p090

Abstract

Operational parameters must be integrated into turbine systems' main components, which are determined by turbine systems' functional requirements. The need for producing component designs more effectively raises the possibility of using additive manufacturing. The study focuses on the optimization of the mechanical properties of the principal components of magnetic turbines manufactured with 3D printers using Acrylonitrile Butadiene Styrene (ABS), by changing the temperature and speed of the nozzle. The approach consisted of modeling a standard test piece in CAD software and producing ABS-based test pieces using a 3D printer with print speeds of 50, 70, 90, and 110 mm/s and temperatures of 230, 240, 250, and 260 °C. The tensile properties of the samples were determined according to ASTM D638-14 Type I, and the results reveal a consistently greater tensile strength for the parts with high nozzle temperatures of approximately 250 °C and lower print speeds of 50 and 70 mm/s. At higher speeds of 90 and 110 mm/s, though the nozzle temperature has little effect on tensile strength, suggesting that the effect of other parameters is more significant. Whatever the print speed, at higher nozzle temperature (250℃), average tensile strength was improved. Control of nozzle temperature is paramount in increasing tensile strength in the 3D printing process performed at low speeds. Also, the average tensile strength is consistent and normalized. For all print speed values, a 250℃ nozzle produces consistently higher average tensile strength than a 235℃ nozzle. Analysed the parameters for print speed and nozzle temperature, providing optimal results for stronger and more reliable parts for use in turbines.
SUSTAINABLE COMMUNITY SERVICE INNOVATION: IMPLEMENTING SOLAR POWER AND WATER FILTERS ON POULTRY FARMS IN TULUNGAGUNG REGENCY Asrori, Asrori; Nugroho, Pipit Wahyu; Yudiyanto, Eko; Witono, Kris; Adiwidodo, Satworo; Gunawan, Chandra; Rifa’i, Muhamad; Jaya, Harie Satiyadi
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 9 No. 3 (2025): SEPTEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v9i3.3033

Abstract

A community service initiative was undertaken at UD. Risky Barokah, an egg-laying poultry farm in Sumberingin Kidul, Ngunut District, Tulungagung Regency. Operating since 2010 on a 7,000 m² site with nearly 10,000 chickens, the farm has faced persistent challenges related to water contamination and high electricity costs. To mitigate these constraints, a solar-powered water filtration system and a 1.1 kWp photovoltaic installation were implemented. The intervention was directed toward improving poultry health and egg productivity through access to clean water, reducing dependence on the electrical grid, and strengthening staff capacity through technical training. Outcomes demonstrated estimated monthly electricity savings of Rp247,500–Rp330,000 and consistent water quality that enhanced flock health and output, while simultaneously lowering the farm's carbon footprint. The project highlights the applicability of renewable energy and appropriate technology in promoting sustainable and cost-effective poultry production.
Corrosion Rate of Black Chromium Coating Result of Electroplating on Copper Hadi, Syamsul; Valeria, Sza Sya Monica; Adiwidodo, Satworo; Amrullah, Utsman Syah; Takwim, R.N. Akhsanu; Firmansyah, Hilmi Iman
INTEK: Jurnal Penelitian Vol 7 No 2 (2020): October 2020
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v7i2.2681

Abstract

The problem faced is that the white chromium coating has a low selling value or aesthetic value than the black chromium layer which is more in demand, especially by the younger generation who prioritizes aesthetics. The purpose of the corrosion test was to determine the corrosion resistance ability of the black chromium coating resulting from the electroplating process on the relationship between the solution temperature and the immersion time of copper in a corrosive solution. Corrosion test methods include literature studies, field observations, weighing specimens, immersing specimens in corrosive solutions, weighing specimens, calculating corrosion rates, and data analyzing. Corrosion test results show that the higher the temperature of the solution and the longer the immersion time, the smaller the corrosion rate for the lowest conditions at 30oC and a duration of 5 minutes with a corrosion rate of 0.2004 mm/year and the highest conditions at a temperature of 50oC and a duration of 9 minutes at a rate of corrosion of 0.0108 mm/year.
INSTALLATION OF SOLAR-POWERED ELECTRIC WARMERS FOR DOC-BROODING IN BLITAR CHICKEN FARMERS Asrori, Asrori; Yudiyanto, Eko; Adiwidodo, Satworo; Witono, Kris; Rahmad, Cahya
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 7 No. 4 (2023): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v7i4.2103

Abstract

Community Service (PPM) is held in Sumberejo Village, Sanankulon District, Blitar Regency. Chicken farmers face several challenges related to heating their chicken coops, including restrictions on using subsidized fuel or LPG, which force them to seek other heating alternatives. Leaks in heating systems that use LPG, which pose a fire hazard. Poor air quality and low oxygen levels in coops that use conventional heating methods (firewood and LPG). These challenges can contribute to the decline in the quality of Day-Old Chicks (DOC). This activity aims to install an electric warmer system that produces a safe and comfortable temperature for Day-Old Chicks (DOC) and is easy to use for breeders. In addition, build an independent energy source to run the heat treatment system equipment in the DOC-Brooding area with a solar panel installation. The installed 600 Wp PLTS system consists of 4 solar panels with a capacity of 150 Wp each, an 850 VA hybrid inverter and 100 Ah VRLA battery. Electrical energy from PLTS can power a 200 W electric warmer. The solar panel installations can produce an average of 3.6 kWh of electrical energy/day. So that the electricity savings from PLN can reach IDR. 162000 per month.
Co-Authors Achmad Fauzan Hery Agus Hardjito Agus Setiawan Agus Sujatmiko Ahmad, Masrur Maulana Ali Mokhtar Alia*, Nila Amrullah, Utsman Syah Amrullah, Utsman Syah Anggit Murdani Asrori Asrori Asrori Asrori Bagus Wahyudi BAYU PRANOTO Eko Yudiyanto Elka Faisal Etik Puspitasari, Etik Faizal, Elka Fengky Adie Perdana, Fengky Adie Gunawan, Chandra Hamim, Mohammad Rohman Haris Puspito Buwono Hilmi Iman Firmansyah Imam Mashudi Kris Witono Makhmudul Fikri Mardyansyah, AA Martawati, Mira Esculenta Mira Mira Mochammad Farhan Aprilianto Moh. Hartono Muhammad Andi Nova Muhammad Fakhruddin Mustapa, Mohammad Sukri Nugroho, Pipit Wahyu Pondi Udianto Pranoto, Bayu Prasetyo Prasetyo R.N. Akhsanu Takwim, R.N. Akhsanu Rahmad, Cahya Ratna Monasari Ridho Surya Setiabudi Rifa’i, Muhamad Riyanto Heri Nugroho Sarjiyana Siti Duratun Nasiqiati Rosady Sudarman Sudarman Sulistyono Sulistyono Susilo, Sugeng Hadi Syamsul Hadi Talifatim Machfuroh Valeria, Sza Sya Monica Viyus, Vinan Walid, Achmad Widjanarko Widjanarko, Widjanarko Wijaya, Andy Hermawan Wirawan Wirawan Yuniarto Agus Winoko Zakki Fuadi Emzain Zakki Fuadi Emzain Zean Galang Wardhana