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All Journal Jurnal E-Komtek Journal of Automotive Technology Vocational Education Jurnal Pendidikan Teknik Mesin
Amiruddin, Muhamad
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Automotive Engineering Computer Science & IT Electrical & Electronics Engineering Engineering Mechanical Engineering

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Journal : Jurnal E-Komtek

 1 
Development of Practical Learning Media 5-Speed Manual Transmission Muhammad Priya Permana; Muhamad Amiruddin; Ismail Kholid
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 7 No 2 (2023)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v7i2.1584

Abstract

President of the Republic of Indonesia, Joko Widodo, emphasized that currently the focus of education is to provide job skills to the younger generation. Vocational education and training will continue to be strengthened in line with the shift in development strategies from physical infrastructure development to human development. The closer the student is in working life, the better and professional educational goals are achieved. The purpose of this study is to create a 5-speed manual transmission learning media that can be used for learning. There are media test and tool use test with implementation power test and user response. The results of the test showed that media trials and tool use trials resulted in 75% feasibility. Eligibility is taken by filling the expert judgment which is more than 51%. Keywords: Learning Media, 5-speed Manual transmission, feasibility test
Pengaruh Tekanan Pembukaan Nozzle Injektor dan Cetane Number terhadap Konsumsi Bahan Bakar pada Motor Diesel Silinder Tunggal pada Variasi Putaran Mesin Muhamad Amiruddin; Hamid Nasrullah
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 9 No 1 (2025)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v9i1.2500

Abstract

The ability of diesel injectors to spray fuel greatly affects the homogeneity of the mixture and its penetration power in the combustion chamber. The research method used is an experiment with data presented descriptively. The objectives of this study are to determine the effect of nozzle opening pressure on fuel consumption, to identify the nozzle opening pressure at which fuel consumption is lowest, and to determine the effect of cetane number on fuel consumption in diesel engines. The results of this study indicate that the nozzle opening pressure of the injector in a diesel engine significantly affects fuel consumption, regardless of whether the engine is operating at low, medium, or high RPM. The lowest fuel consumption in a diesel engine occurs at a nozzle opening pressure of 10 MPa. The cetane number of the fuel does not significantly affect fuel consumption in a diesel engine, specifically a single-cylinder indirect injection diesel engine. Keywords: Injector Pressure, Fuel Consumption, Diesel.
Co-Authors Agus Triawanto Gilang Purnomo, Bayu Hamid Nasrullah Ismail Kholid Muhammad Priya Permana Rahma, Nur syafiqah Sidiq Supriyanto Taufiq Hidayat Triawanto, Agus Widiyanto