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All Journal Rekayasa Mesin PROFICIO: Jurnal Pengabdian Masyarakat
Muhammad Todaro
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Humanities Computer Science & IT Education Mechanical Engineering Social Sciences Other

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ANALISIS PENGARUH MEDAN MAGNET TERHADAP UKURAN ATOMISASI BAHAN BAKAR CAMPURAN GASOLINE DAN BIOETANOL Nufus, Tatun Hayatun; Dianta Mustofa Kamal; Gun Gun R Gunadi; Candra Damis Widiawati; Asep Apriana; Muhammad Todaro
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1398

Abstract

The atomization process plays a very important role because the success or failure of combustion in the combustion chamber is influenced by the size of the liquid fuel mist. The occurrence of good atomization from atomized is determined by the size of the fuel droplets and the size of the nozzle diameter. Reducing the droplet diameter can increase the velocity, which can affect the Reynolds number and cause turbulence effects. The effect of turbulence provides a vortex effect, which enhances the heat transfer process between hot air and fuel particles in the combustion chamber. In this research, the effect of fuel magnetization on droplet size is analyzed. The fuel used is E0, E10, E20, E30, and E100, all types of fuel are channeled through an electromagnetic field of 1500 Gauss. Next, the particle size was tested using a Particle Size Analyzer, Bettersize BeNano 90 Zeta. The result was a decrease in particle size of 8-27%. The particle size measured using the PSA (particle size analysis) tool and theoretical calculations is <10% different. Each tool has an accuracy limit for PSA with a maximum accuracy of around 5%. These results provide initial information that the fuel magnetization process can improve engine performance.
ANALISIS PENGARUH MEDAN MAGNET TERHADAP UKURAN ATOMISASI BAHAN BAKAR CAMPURAN GASOLINE DAN BIOETANOL Nufus, Tatun Hayatun; Dianta Mustofa Kamal; Gun Gun R Gunadi; Candra Damis Widiawati; Asep Apriana; Muhammad Todaro
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1398

Abstract

The atomization process plays a very important role because the success or failure of combustion in the combustion chamber is influenced by the size of the liquid fuel mist. The occurrence of good atomization from atomized is determined by the size of the fuel droplets and the size of the nozzle diameter. Reducing the droplet diameter can increase the velocity, which can affect the Reynolds number and cause turbulence effects. The effect of turbulence provides a vortex effect, which enhances the heat transfer process between hot air and fuel particles in the combustion chamber. In this research, the effect of fuel magnetization on droplet size is analyzed. The fuel used is E0, E10, E20, E30, and E100, all types of fuel are channeled through an electromagnetic field of 1500 Gauss. Next, the particle size was tested using a Particle Size Analyzer, Bettersize BeNano 90 Zeta. The result was a decrease in particle size of 8-27%. The particle size measured using the PSA (particle size analysis) tool and theoretical calculations is <10% different. Each tool has an accuracy limit for PSA with a maximum accuracy of around 5%. These results provide initial information that the fuel magnetization process can improve engine performance.
PELATIHAN PERAWATAN SEPEDA DAN SEPEDA MOTOR LISTRIK KEPADA MASYARAKAT DI KEPULAUAN SERIBU Sonki Prasetya; Muhammad Todaro; Fuad Zainuri; Muhammad Hidayat Tullah; Rahmat Noval; Asep Yana
Jurnal Pengabdian Masyarakat FKIP UTP Vol 7 No 1 (2026): PROFICIO : Jurnal Abdimas FKIP UTP
Publisher : FKIP UNIVERSITAS TUNAS PEMBANGUNAN SURAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jpf.v7i1.5329

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pengetahuan dan keterampilan masyarakat Pulau Kelapa Dua, Kepulauan Seribu, dalam melakukan perawatan sepeda dan sepeda motor listrik. Pelatihan dilakukan melalui penyampaian materi teori dan praktikum langsung yang mencakup pengenalan komponen kendaraan listrik serta teknik perawatan sederhana yang sesuai dengan kondisi lingkungan kepulauan. Sebanyak 12 peserta dengan latar belakang pendidikan SMA dan SMK mengikuti pelatihan ini. Evaluasi dilakukan dengan metode pre-test dan post-test. Hasil menunjukkan peningkatan rata-rata nilai dari 45 menjadi 70,83, dengan rata-rata persentase peningkatan sebesar 36%. Seluruh peserta mengalami peningkatan pemahaman, meskipun dengan variasi hasil yang dipengaruhi oleh perbedaan latar belakang dan partisipasi selama pelatihan. Pelatihan ini dinilai efektif karena pendekatannya yang kontekstual dan aplikatif. Kelemahan kegiatan terletak pada keterbatasan waktu dan kedalaman materi. Ke depan, pelatihan serupa dapat dikembangkan menjadi program berkelanjutan di wilayah pesisir lainnya dengan menambahkan modul lanjutan dan melibatkan komunitas lokal sebagai mitra pendamping. Kegiatan ini memberikan kontribusi positif terhadap upaya transisi energi bersih di wilayah kepulauan.
Co-Authors Asep Apriana Asep Yana Candra Damis Widiawati Dianta Mustofa Kamal Fuad Zainuri Gun Gun R Gunadi Muhammad Hidayat Tullah Rahmat Noval Sonki Prasetya Tatun Hayatun Nufus