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All Journal Berkala Fisika Indonesia : Jurnal Ilmiah Fisika, Pembelajaran dan Aplikasinya Rekayasa Mesin ILKOM Jurnal Ilmiah Astonjadro Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Jurnal Listrik, Instrumentasi, dan Elektronika Terapan The Indonesian Journal of Computer Science Research Power Elektronik : Jurnal Orang Elektro Jurnal Polimesin Jurnal Keselamatan Transportasi Jalan
Humami, Faris
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Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Transportation

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PENGARUH KADAR AIR DI DALAM BRAKE FLUID TERHADAP KARAKTERISTIK GELEMBUNG PADA PROSES PEMANASAN BRAKE FLUID Wijayanta, Setya; Humami, Faris; Wibowo, Helmi; Kristiawan, Komang Andre; Lazuardi, Wildan Surya
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1705

Abstract

The present study aimed to determine the effect of the percentage of water in brake fluid on the boiling point and the characteristics of bubble formation (the beginning of vapor lock) during the brake fluid heating process. DOT 3 Brake Fluid and water were used as the working fluid in the present study. To vary the water content in the brake fluid, water was mixed into the DOT 3 Brake Fluid. The water percentages in the mixture were 0, 1, 3, and 4%. The boiling point of brake fluid with four variations in the water content percentage was measured by using a digital thermometer. The characteristics of bubble formation in brake fluid were observed using a video camera with a frame rate of 240 fps. The video recording results were extracted into an image file with a jpeg extension and processed further using image processing with ImageJ software to measure the total cross-sectional area and bubble fraction. This is the novelty of the present study, where measurements of the total cross-sectional area and bubble fraction in boiling brake fluid with variations in water content have never been carried out by researchers before. Apart from that, the ImageJ measurement method has advantages compared to other software. ImageJ is free software that is easy to download from the internet, easy to use, accurate and the measurement results are displayed immediately. The research results show that an increase in the percentage of the water content in brake fluid affects reducing the boiling point of the brake fluid. At the same temperature, the greater the percentage of water content in the brake fluid, the total cross-sectional area and bubble fraction also increase. At the same percentage of water content, the total cross-sectional area and bubble fraction also increase as the temperature increases. Apart from that, in this research, an empirical equation was successfully developed to predict the brake fluid's boiling point based on its water content, and an empirical equation to predict the bubble fraction based on the water content and temperature of the brake fluid. This is a novel result of this research that has never been produced in previous research.
Komparasi Effisiensi Pengereman Pengujian Rem Statis (Static Brake Test) Dan Pengujian Rem Jalan (Road Brake Test) Pranoto, Ethys; Miftahul Hidayat, Aziz; Humami, Faris; Nur Hakim, M Iman
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 7 No. 1 (2020): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v7i1.72

Abstract

Keselamatan dan keamanan berkendara di jalan menjadi unsur utama dalam pelayanan jasa transportasi. Penyedia pelayanan jasa transportasi berkewajiban memastikan bahwa kendaraan yang dioperasikan memenuhi syarat teknis dan laik jalan kendaraan bermotor yang ditentukan oleh pemerintah. Salah satu syarat teknis dan laik jalan adalah terpenuhinya sistem rem yang berfungsi dan memenuhi ambang batas. Pengujian untuk memenuhi ambang batas dapat dilakukan dengan dua metode yaitu Static Brake Test dan Road Brake Test. Kedua metode yang berbeda akankah menghasilkan keluaran yang sama. Hasil komparasi kedua pengujian menunjukkan adanya perbedaan keluaran yang diperoleh dan hal ini dapat menimbulkan persepsi yang berbeda terhadap pemenuhan syarat teknis dan laik jalan kendaraan.
Pengembangan pemodelan fisika dalam meningkatkan motivasi belajar taruna di lingkungan sekolah kementerian perhubungan berbantuan software Modellus Asmoro, Langgeng; Srianto, Srianto; Humami, Faris
Berkala Fisika Indonesia : Jurnal Ilmiah Fisika, Pembelajaran dan Aplikasinya Vol. 14 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/bfi-jifpa.v14i2.25378

Abstract

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Co-Authors Anjelina, Deby Triana Annisa, Shafirza Asmoro, Langgeng Budhi Kristianto Eko Sediyono Frans Tohom Hakim, M. Iman Nur Helmi Wibowo, Helmi Joko Siswanto Kristiawan, Komang Andre Lazuardi, Wildan Surya Miftahul Hidayat, Aziz Miftahul Hidayat, Aziz Mokhammad Rifqi Tsani Muhammad Iman Nur Hakim Paradana, Barasie Pranoto, Ethys Prasetyo, Ramadhan Dwi Pratindy, Raka Setiawan, Santo Setya Wijayanta Setya Wijayanta Sidik, Darmawan Siti Shofiah Srianto, Srianto Swastika, Indra Tsani, Mokhammad Rifqi Zainal Arifin Hasibuan