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All Journal Rotasi Jurnal Mechanical JITEK (Jurnal Ilmiah Teknosains) JURNAL CRANKSHAFT Jurnal Ilmiah Teknik Mesin "MEKANIK" Jurnal Pengabdian kepada Masyarakat Nusantara IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) AutoMech : Jurnal Teknik Mesin IRA Jurnal Pengabdian Kepada Masyarakat
Agus Mukhtar
Program Studi Magister Teknik Mesin, Fakultas Teknik, Universitas Diponegoro Jl. Prof. Sudharto, SH., Tembalang-Semarang 50275, Telp. +62247460059
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Veterinary Other

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Journal : IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)

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Rancang Bangun Laser Grafir Portabel Berdaya Rendah Pada Media Kayu Ma’mun, Hisyam; Naufal, Gostsa Khusnun; Mukhtar, Agus
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 3 No 2 (2024): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v3i2.122

Abstract

Wood can be increased in value by adding patterns using light from a laser. The types of laser sources which are currently divided into 4 types include: Semiconductor lasers, Solid-state lasers, Fiber lasers, Gas lasers. Each laser generation source has differences in the way the laser light is generated, the laser wavelength produced and the supporting components needed to operate the laser system. In this research, the type of laser source will be selected according to the criteria determined by the researcher. The selection was carried out using the decision matrix method, with the highest number of values obtained from the Semiconductor lasers type laser source. Followed by testing the laser components into the available wood media. The results obtained by the laser system are in accordance with the criteria set by the researchers
Simulasi Laju Aliran Udara pada Mesin Oven Pengering Kerupuk dengan Burner Sederhana Berbasis Computational Fluid Dynamics Rohman, Syahrul Mahfudli; Mukhtar, Agus; Burhanudin, Aan
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 3 No 2 (2024): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v3i2.134

Abstract

Drying is the process of removing water or separating a relatively small amount of water from a material using heat energy. One method of drying is through oven processing, which aims to reduce the moisture content in materials using an oven. This study aims to analyze the airflow rate in an oven using Computational Fluid Dynamics (CFD) simulation and to examine the effect of temperature variations on airflow rate using CFD simulation. The research method employed is experimental, with data collection techniques including descriptive analysis, involving experiments, simulation results, and documentation. The study found that the simulated airflow rate using Ansys R2 2020 varied with different temperatures. At 70℃, the air velocity ranged from 1.108 m/s to 4.432 m/s, while at 75℃, it ranged from 1.882 m/s to 11.29 m/s. Turbulence occurred at both temperatures, and higher temperatures resulted in faster airflow rates due to reduced air resistance. At 75℃, the crackers achieved optimal dryness, with a weight reduction of 95%. High temperatures can reduce air density which can increase air flow speed due to a decrease in resistance experienced by the air.
Analisis Getaran Pada Bus Trans Jateng Koridor 4 Menggunakan Sensor Akselerometer MPU6050 Dan Metode RULA Wisnumurti, Muhammad Hanafi; Mukhtar, Agus; Burhanuddin, Aan
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.255

Abstract

Public bus drivers are at risk of health issues due to mechanical vibrations and non-ergonomic working postures during long working hours. This study analyzed vibration levels and ergonomic risks of Trans Jateng Corridor 4 bus drivers using an experimental method with an MPU6050 accelerometer sensor at three points: brake/clutch pedal, steering wheel, and driver’s seat at various operational speeds. Ergonomic assessment was conducted using the Rapid Upper Limb Assessment (RULA) method with CATIA V5R20 software during two main work phases. Results showed the highest vibration level on the brake/clutch pedal (3.23 m/s²), still below the threshold limit of 5 m/s² for 6–8 hours of work as regulated by the Ministry of Manpower Decree No. 5/2018. The lowest vibrations were recorded on the steering wheel (0.79 m/s²) and driver’s seat (0.93 m/s²). A RULA score of 3 in both phases indicated a “low risk” category but required long-term preventive measures. Recommendations include the use of anti-vibration footwear, structured breaks every 90 minutes, and driver rotation with a maximum of 6 hours per shift to maintain optimal working conditions and prevent occupational health disorders.
Evaluasi Efektivitas ARTG sebagai Alternatif Operasi RTG Manual di Terminal Petikemas Semarang Alfianto, Faizal Ridho; Mukhtar, Agus; Burhanuddin, Aan
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.259

Abstract

This study evaluates the effectiveness of Automated Rubber Tyred Gantry (ARTG) as an alternative to manual RTG operations at the Semarang Container Terminal. The research focuses on productivity (boxes/hour), maintenance cost efficiency (IDR/month), and workplace safety (number of incidents). A descriptive quantitative case study was conducted from March to May 2025. Results show that ARTG improved productivity by 11.25%, reduced maintenance costs by 46.5%, and recorded zero incidents compared to four incidents with manual RTG. All differences were statistically significant (p < 0.05). These findings indicate that ARTG enhances operational efficiency and safety in port operations. Gradual implementation of ARTG is recommended, considering digital infrastructure readiness, human resource training, and policy support.
Prototipe Sistem Peringatan Dini Kualitas Minyak Rem Pada Angkutan Barang Berbasis Arduino Uno Wijatolah, Jalu Lutfi; Mukhtar, Agus; Burhanuddin, Aan
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.273

Abstract

This research focuses on the development of an Arduino Uno-based early warning system to monitor brake fluid quality in freight vehicles. This system uses a TDS sensor to detect water content in brake fluid in real-time, displays the results on a 2004 IIC LCD screen, and provides visual and audio warnings if the brake fluid quality is below the safe threshold. This research employs the Research and Development method, utilizing a Planning, Production, and Evaluation model, and is validated by experts in the fields of information technology, electronics, and vehicle testing. System performance is evaluated through calibration against the Habotest Brake Fluid Liquid Tester and achieves 100% accuracy on various test samples. This prototype is proven to be easy to operate, provides accurate warnings, and has high feasibility for integration into existing vehicle fleets without requiring significant modifications. This innovation is expected to encourage a culture of preventive maintenance and improve public transportation safety.
Prototipe Alat Pemantau Kualitas Udara Pada Unit Pengujian Kendaraan Bermotor Wardani, Ririswari Widya; Mukhtar, Agus; Burhanuddin, Aan
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.274

Abstract

This study aims to design and evaluate the performance of a prototype air quality monitoring device integrated with an exhaust fan in a vehicle testing room. The experimental method was employed to examine the relationship between variables. The increasing number of motor vehicles has an impact on air quality, particularly in emission testing areas. The device utilizes an MQ-7 sensor for gas detection and a DHT22 sensor for temperature and humidity, with data displayed in real time on an LCD screen. When the gas concentration exceeds nine ppm, the system activates an audible alarm and automatically turns on the exhaust fan to maintain air circulation. The exhaust fan expels hot air from the room while bringing in cooler outside air. Test results indicate that the device operates stably and provides accurate data, making it suitable as an air quality monitoring system in motor vehicle testing facilities.
Co-Authors Aan Burhanudin Abdul Gofur Adetia Riski Wardana Alfianto, Faizal Ridho Androva, Althesa Burhanuddin, Aan Burhanudin , Muhammad Arif FARANDI, ROY Gostsa Khusnun Naufal Gostsa Khusnun Naufal, Gostsa Haryono, Muhammad Budi Hermana, Rifki Hisyam Ma’mun Joga Dharma Setiawan Ma'mun, Hisyam Malik, Muchammad Maulana, Ilham Rizki Ma’mun, Hisyam Muchamad Malik Munadi Munadi Pambudi, Nizar Anggriawan Rohman, Syahrul Mahfudli Siti Fitriana Slamet Supriyadi Utama, Dharma Wardani, Ririswari Widya Wijatolah, Jalu Lutfi Wijiyanto, Gandhang Wisnumurti, Muhammad Hanafi Yuris Setyoadi