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All Journal Majalah Ilmiah MOMENTUM Jurnal Teknik Mesin Indonesia Infotekmesin
Laroybafih, Muhammad Bagus
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Aerospace Engineering Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Pengaruh Engine Temperature Terhadap Laju Konsumsi Bahan Bakar Mobil Hemat Energi Kategori Urban Etanol Laroybafih, Muhammad Bagus; Anis, Samsudin; Nuril, Miftakhun; Huda, Fitroh Miftahul; Nurhidayat, Akhlis Rahman Sari; Laksana, Nur Akhlis Sarihidaya
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.2976

Abstract

A crucial global issue is the world's dependence on fossil fuels as its primary energy source. An alternative solution to this problem is to use fuels such as ethanol. Using ethanol as fuel requires comprehensive optimization of the vehicle system, including the engine's temperature control. This research aims to determine the effect of engine operating temperature variations on fuel efficiency thru 4 engine temperature variations: 70, 80, 90, and 100 degrees Celsius, using two approaches: static and dynamic. The test results show that engine temperature affects fuel consumption and engine operating stability. Based on the experiments conducted, it was concluded that a temperature of 90°C is the most optimal working temperature, with an increase of 9.91% in static testing and 14.74% in dynamic testing (compared to the temperature with the lowest efficiency). It can be concluded that 90°C is recommended as the optimal working temperature for ethanol engines in the development of energy-efficient vehicles.
Perancangan sistem Jarak aman berkendara berbasis aplikasi smart detect Faizin, Muhammad; Putra, Muhammad Alfin Abdurachim; Laroybafih, Muhammad Bagus
Jurnal Teknik Mesin Indonesia Vol 20 No 2 (2025): October
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/g3a1f242

Abstract

The increase in the number of four-wheeled vehicles is followed by the behavior of people who ignore traffic rules on the highway, resulting in an increase in cases of accidents and traffic violations. Based on the conditions that have been described, the authors are interested in conducting a study on the design of a system that can provide a warning to four-wheeled vehicle drivers. The purpose of this study is to find out how to design a safe distance driving system based on android serial communication, find out how to detect a safe distance on the system, and understand the working principle of a safe driving distance system based on android serial communication. The method used in this study is an experimental method with 3 measuring indicators including the accuracy of measuring the vehicle's distance to the object in front of it, the accuracy of reading the vehicle's distance data to the object in front of it on an Android smartphone, and measuring errors that occur in the system. From the test results, it was obtained that the ultrasonic sensor detects the presence of other vehicles at a distance of less than 2 meters and is transmitted to a smartphone via a Bluetooth connection. The results of the validation test showed that the respondents scored with a percentage of 85% -87.5% in the "Very Good" category. This shows that the application of the system test above can produce a distance detector that is integrated with a smartphone to be more effective.
Analisis ANALISIS PENGARUH TEKANAN BAN TERHADAP LAJU KONSUMSI BAHAN BAKAR PADA KENDARAAN HEMAT ENERGI URATE EVO-7 PANDAWA TEAM Nugroho, Ilham Ariosepto; Anis, Samsudin; Kurniawan, Ahmad Khusom; Laroybafih, Muhammad Bagus
JURNAL ILMIAH MOMENTUM Vol 22 No 1 (2026): April
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v22i1.15586

Abstract

Krisis energi akibat menurunnya ketersediaan bahan bakar fosil mendorong pengembangan kendaraan hemat energi, salah satunya melalui upaya pengurangan rolling resistance pada ban kendaraan Urate Evo-7. Penelitian ini bertujuan untuk menganalisis pengaruh variasi tekanan ban terhadap waktu akselerasi, jarak gelincir, dan efisiensi konsumsi bahan bakar. Metode penelitian yang digunakan adalah eksperimental dengan variasi tekanan ban sebesar 55 psi, 65 psi, 75 psi, dan 85 psi. Pengujian dilakukan di Sirkuit Mijen Semarang sepanjang 2,7 km dengan empat kali percobaan pada setiap variasi tekanan ban. Parameter yang diamati meliputi waktu tempuh satu lap, jarak gelincir kendaraan dari kecepatan 32 km/jam hingga berhenti tanpa pengereman, serta konsumsi bahan bakar yang diukur menggunakan buret, stopwatch dan pita ukur, kemudian dianalisi secara deskriptif dan komparatif. Tekanan ban 85 psi menghasilkan jarak gelincir rata-rata sepanjang 778 meter dan konsumsi bahan bakar rata-rata  18 ml dengan efisiensi mencapai 450 km/l. Kendaraan Pandawa Team dapat meningkat sebesar 34,5% dibandingkan tekanan ban 55Psi. Diikuti pengurangan waktu saat berakselerasi sebesar 10,6 % dan jarak gelincir saat mesin dimatikan mengalami peningkatan 17,5%. Secara keseluruhan, hal ini didasari perbedaan tekanan ban pada kendaraan, sehingga nilai rolling resistance menurun akibat dari tekanan ban yang lebih besar. Penelitian ini diharapkan dapat menjadi referensi dalam pengembangan kendaraan hemat energi berbasis optimasi tekanan ban.
Co-Authors Huda, Fitroh Miftahul Kurniawan, Ahmad Khusom Muhammad Faizin Nugroho, Ilham Ariosepto Nur Akhlis Sarihidaya Laksana, Nur Akhlis Sarihidaya Nurhidayat, Akhlis Rahman Sari Nuril, Miftakhun Putra, Muhammad Alfin Abdurachim Samsudin Anis