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All Journal Turbo : Jurnal Program Studi Teknik Mesin STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Otopro JTAM ROTARY Jurnal Pengabdian Multidisiplin Journal of Mechanical and Electrical Technology Jurnal Pepadu Sewagati RING Mechanical Engineering J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Farida, Nike Nur
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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STUDI PENGGUNAAN MANIPULATOR TEGANGAN PADA SENSOR TEKANAN BAHAN BAKAR MESIN DIESEL COMMON RAIL DITINJAU DARI DAYA & KONSUMSI BAHAN BAKAR Farida, Nike Nur; Monasari, Ratna; Gunawan, Chandra; Aji, Supa K.
Otopro Vol 19 No 2 Mei 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v19n2.p71-77

Abstract

In a common rail diesel engine system, the entire fuel system is regulated electronically by a computer device called the ECU.  With this sensor manipulator tool, it is hoped that you will be able to change the output of the fuel pressure sensor to modify the ECU input. This makes it possible to change the power produced by the vehicle and reduce fuel consumption. This research is using experimental methods. The initial step is to take vehicle power test data under normal conditions, with the fuel pressure sensor output voltage at 1.28 V, reduced by 0.2 (1.08 volts), decreased by 0.1 (1.18 volts), increased by 0,1 (1.38 volts), and up 0.2 (1.48 volts). The results of this research show that the highest power at a speed of 80 km/h occurs at a voltage of 1.38 volts and 1.48 volts, with a power of 103 HP. Optimal fuel pressure produces good misting, ensures the mixture of fuel and air in the combustion chamber is homogeneous, and produces maximum power. The results of the fuel consumption test show that the lowest fuel consumption occurs at a vehicle speed of 40 km/hour with a fuel pressure sensor voltage of 1.38 volts, which is around 0.615 cc/second. It can be concluded that a voltage of 1.38 volts produces the most optimal fuel pressure. The throttle valve and pedal openings are still slightly open, so the amount of fuel entering the combustion chamber is also limited, so fuel consumption is very economical.
EPOKSIDASI MINYAK JARAK JATROPHA CURCAS L. UNTUK MENINGKATKAN STABILITAS DAN PERFORMA PELUMAS NABATI RAMAH LINGKUNGAN Agus Dwi Putra; Farida, Nike Nur; Monasari, Ratna; Rakhmaddian, Nicko Nur; Fadhilah, Intan; Prasetyo, Heru
RING ME Vol 5 No 2 (2025): RING Mechanical Engineering
Publisher : Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/rme.v5i2.24145

Abstract

The decline of petroleum reserves and environmental issues from petroleum-based lubricants have driven interest in biolubricants. Jatropha curcas L. oil is a promising candidate due to its availability and non-edible nature, but it lacks sufficient oxidative stability and thermal performance. This study aims to improve jatropha oil quality through in situ epoxidation. The research included oil extraction, initial chemical analysis (acid value, moisture, saponification value, iodine value), epoxidation with varied reactant ratios and reaction times, and post-modification tests of viscosity and flash point. Results indicated that oil yield from dehulled seeds was higher (60%) than hulled seeds (25%). Epoxidation improved viscosity from 2.39 cSt to 34.2 cSt at 40°C and raised the flash point from 109°C to 270°C. These enhancements demonstrate improved physicochemical properties, making epoxidized jatropha oil a potential eco-friendly lubricant comparable to modern synthetic lubricants.
Co-Authors Abikusna, Setia Agus Setiawan Ahmad Hanif Firdaus Aini, Fica Aida Nadhifatul Aji, Supa K. Aji, Supa Kusuma Akhlis Rizza, Muhammad AM Mufarrih Amalia, Zakiyah Diama Rizky Septiawan Faizal, Elka Fatkhur Rohman Gunawan, Chandra Hafizh, Ahmad Raihan Hartono, Moh Intan Fadhilah, Intan Khabib, Achsanul Khambali, Khambali Kurniawan, Alfian Seina Maksum, David Maulana Monasari, Ratna Muzaki, Mochamad Nanang Qosim Nicko Nur Rakhmaddian, Nicko Nur Nurhadi Putra, Agus Dwi Ratna Monasari Riskitasari, Septyana Siti Duratun Nasiqiati Rosady Sulistyono Sulistyono Syamsiar, Syamsiar Talifatim Machfuroh, Talifatim Walid, Achmad Wildan, Mukhamad Zainul Wulandari, Winda Andrini Yudhistira, Muhammad Rafi Akbar Yuniarto Agus Winoko, Yuniarto Agus