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All Journal Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) JTTM: Jurnal Terapan Teknik Mesin Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Recent in Engineering Science and Technology
Noval, Rahmat
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DIAGNOSIS KEGAGALAN GANDA PADA CHILLER SISTEM PENDINGIN AIR Noval, Rahmat; Nofirman
JTTM : Jurnal Terapan Teknik Mesin Vol 2 No 1 (2021): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v2i1.83

Abstract

Kegagalan pada chiller sistem pendingin air sering terjadi, sehingga perlu dilakukan analisis untuk menentukan akar penyebab kerusakan yang terjadi. Tujuan dari analisis ini untuk menentukan akar penyebab. Dan metode dalam penelitian yang dilakukan menggunakan analisis regrensi. Dari hasil dan pembahasan dalam penelitian diperlukan pekerjaan perawatan untuk membersihkan dimana kondensor dan evaporator serta pemantauan kebocoran refrigeran secara berkala membutuhkan perawatan. Kapasitas sentrifugal Ketika air dingin keluar dari pendingin 44 °F (6,7°C) dan air dingin keluar dari kondensor 95°F (35°C), kisaran chiller eksisting adalah 80-2400 TR. Sistem membandingkan setiap jenis (TCO-TCI), (TEI-TEO) sub TRC Kw / Ton dan COP dan kegagalan yang teridentifikasi melalui perhitungan regresi 1 variabel pada parameter dapat mendiagnosa kegagalan dengan tepat
Dynotest Design Analysis for Electrical Converted Vehicles Sumarsono, Danardono Agus; Zainuri , Fuad; Hidayat Tullah, Muhammad; Noval, Rahmat; Prasetya, Sonki; Subarkah, Rahmat; Rahmiati, Tia; widi, Widiyatmoko; Ridwan, Muhammad
Recent in Engineering Science and Technology Vol. 1 No. 01 (2023): RiESTech Volume 01 No. 01 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i01.3

Abstract

The study comprises dynotest design and analysis to measure torque and horsepower. Basically, a dynotest carried out by apply certain load to the axle of a combustion motor through the braking mechanism of its crankshaft. Due to the high price of a Dynotest unit in the market, it is relatively difficult for a developing institution to own it on their site. The study target to design a simple and good accurate Dynotest within a reasonable price. The study used a common standard method for design analysis which rely on function and structural approach. Functionally, Dynotest is designed to be used to an ouput of an electical motor. Loading on motor shaft was done by disc brake braking mechanism. Structurally, Dynotest was designed to use rollers. As a main component, its mounting construction is connected to a motor to generate electrical power. Power transmitted from the motor to Dynotest through a center joint shaft, torque measured by load cell while the rotation of shaft itself counted by a digital tachometer. Test result show that electricity was produced from the simple construction and Dynotest functioned well in measuring it. Measurement data of roller support shaft performance showed a motor torque performance curve which are similar with the typical of similar Dynotest. Construction Test done by applying Solid Work software analysis to some components partially on rollers and on the construction assembly as a whole unit
Electric Vehicle Conversion Study for Sustainable Transport Zainuri, Fuad; Hidayat Tullah, Muhammad; Prasetya, Sonki; Susanto, Iwan; Purnama, Dewin; Subarkah, Rahmat; Ramiati, Tia; Widiyatmoko; Noval, Rahmat
Recent in Engineering Science and Technology Vol. 1 No. 02 (2023): RiESTech Volume 01 No. 02 Years 2023
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v1i02.15

Abstract

The conversion of conventional motor vehicles to electric vehicles has become a popular choice in an effort to reduce greenhouse gas emissions and air pollution from transportation. Electric vehicle conversion involves replacing a gasoline or diesel engine with an electric motor and a reinstalled battery. In this paper, we cover the basics of electric vehicle conversion, conversion methods, and trial results of converted electric vehicles. We also discuss the benefits and challenges of converting to electric vehicles. Some keywords related to this topic include: electric vehicles, vehicle conversion, electric motors, batteries, sustainable transportation.
Study on Engine Learning Experiencing Low Power On Cummins QSL 9.3L Engine Agsya, Raihan Trinanda; Filzi, Rahman; Noval, Rahmat; Yue, Hong
Recent in Engineering Science and Technology Vol. 2 No. 02 (2024): RiESTech Volume 02 No. 02 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i02.55

Abstract

The Cummins QSL 9.3L diesel engine is a production engine from CLG or Cummins Liugong. This type of engine is typically used in heavy equipment such as Wheel Loaders. A diesel engine is an internal combustion engine where the combustion process occurs inside the engine itself, and pure air is compressed within the combustion chamber, resulting in high air pressure. It operates in four strokes. This engine experienced low power, causing it to malfunction, which led to abnormal operation. Various checks were conducted, including inspection of diesel fuel, fuel tank inspection, engine oil level check, visual inspection of the air cleaner, water separator check, Fuel Feed Pump check, and Clearance Valve Lash check. The problem identified was the mismatch of Valve Lash clearance in the engine, resulting in low power. The repair step involved adjusting the Valve lash using a Feeler Gauge. The purpose of this research is to provide an explanation of troubleshooting and to perform repairs on engines experiencing low power
Troubleshooting Engine Overheat on Wheel Loader Liugong Type 856H Agsya, Raihan Trinanda; Nisrina, Shafa; Noval, Rahmat; Yue, Hong; Batistuta, Andrian Pratama; Santoso, Seto Aji
Recent in Engineering Science and Technology Vol. 2 No. 03 (2024): RiESTech Volume 02 No. 03 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i03.67

Abstract

The Liugong type 856H Wheel Loader unit was donated by PT. Liugong Machinery to Liuzhou Vocational and Technical College (LVTC) as part of a collaborative effort to support teaching and learning activities at LVTC. During practical use, this Wheel Loader unit experienced engine overheating. The aim of troubleshooting the engine overheating issue was to identify the root cause of the problem. This research was conducted using direct observation methods, specifically employing a 7-step troubleshooting approach. The research findings indicate that the engine overheating in the Liugong type 856H Wheel Loader unit was caused by a malfunctioning thermostat component. According to specifications, the thermostat should begin to open at a temperature of 78°C and fully open at 92°C. However, upon inspection, the thermostat did not open until the temperature reached 90°C. This prevented coolant from flowing to the radiator for cooling. As a result, the hot coolant continued to circulate within the engine, leading to engine overheating. The corrective action taken was to replace the faulty component.
Comprehensive Review of Fast Charging Technology and DC-DC Converters in Electric Vehicle Development: Challenges and Future Directions Noval, Rahmat; Zainuri, Fuad; Tullah, M. Hidayat; Todaro, Muhammad; Ramdhan, Fuzi Rachmat
Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Vol 9, No 2 (2024): Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mecha
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jtmm.v9i2.5782

Abstract

Electric vehicles (EVs) are at the forefront of global initiatives to reduce greenhouse gas emissions and tackle urgent environmental challenges. This study presents a comprehensive review of fast charging technologies and DC-DC converters, which are crucial in the development of EV infrastructure. It explores various DC-DC converter topologies used in EVs and examines the challenges associated with fast charging infrastructure. Additionally, the study analyzes the application of artificial neural networks (ANNs) for predicting junction temperatures of electronic components in EVs. The findings indicate that ANNs enhance the accuracy of temperature predictions, contributing to performance optimization and extended component lifespan. Furthermore, the study underscores the significance of energy management technologies, particularly the integration of hybrid energy storage systems (HESS) that combine batteries and supercapacitors. The study’s implications include recommendations for advancing fast charging technology, improving thermal management, and educating drivers to enhance EV energy efficiency. Despite existing challenges, technological advancements in these areas hold great promise for accelerating EV adoption and supporting global decarbonization efforts.Keywords: Electric Vehicle (EV), Artificial Neural Network (ANN) Model, Thermal Management, Hybrid Energy Storage System (HESS), Energy Management.
TRAINING ON THE CONVERSION TECHNIQUES OF GASOLINE MOTORCYCLES TO ELECTRIC FOR AUTOMOTIVE COMMUNITIES Zainuri, Fuad; Todaro, Muhammad; Prasetya, Sonki; Tullah, Muhammad Hidayat; Noval, Rahmat; Ridwan, Muhammad
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 3 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i3.3007

Abstract

Vehicles powered by gasoline still dominate the roads in Jakarta and its surrounding areas. This has led to uncontrollable levels of pollution in Jakarta. Electric vehicles are one solution to reduce the pollution levels in the city. Since it is not feasible to eliminate all gasoline-powered vehicles to switch to electric vehicles, converting these vehicles into electric ones is a viable solution to address this issue. One of the most widely used gasoline-powered vehicles is the motorcycle. The large number of gasoline motorcycles in Jakarta presents an opportunity for automotive communities, such as conventional vehicle workshops, to participate in the transition to electric vehicles. However, the automotive community must be skilled in converting gasoline motorcycles to electric ones. Training on converting gasoline motorcycles to electric has been conducted for the automotive community in Jakarta. Training participants come from various educational backgrounds, ranging from high school/vocational school to university graduates. As a result, the training participants have been able to increase their knowledge and skills in converting gasoline motorcycles to electric ones by up to 20.54%.
Co-Authors Agsya, Raihan Trinanda Batistuta, Andrian Pratama Dewin Purnama Filzi, Rahman Fuad Zainuri, Fuad Hidayat Tullah, Muhammad Iwan Susanto Muhammad Hidayat Tullah, Muhammad Hidayat Muhammad Ridwan Nisrina, Shafa Nofirman Rahmat Subarkah Rahmiati, Tia Ramdhan, Fuzi Rachmat Ramiati, Tia Santoso, Seto Aji Sonki Prasetya Sumarsono, Danardono Agus Todaro, Muhammad Tullah, M. Hidayat widi, Widiyatmoko Widiyatmoko Yue, Hong Zainuri , Fuad