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All Journal MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Mechanical Engineering for Society and Industry
Muriban, Jackly
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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A Review on nanolubricant for refrigeration systems: Stability, thermophysical properties, and performance characteristics Prayogo, Galang Sandy; Mamat, Rizalman; Ghazali, Mohd. Fairusham; Nugroho, Agus; Kozin, Muhammad; Muriban, Jackly
Mechanical Engineering for Society and Industry Vol 4 No 3 (2024): Special Issue on Technology Update 2024
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12204

Abstract

Many researchers have introduced nanolubricants in the field of refrigeration systems to improve performance. Nevertheless, academic literature lacks comprehensive explanations of the impact of nanoparticles on the physical phenomena that influence the refrigeration system. Several factors such as stability, agglomeration, and distribution can significantly affect the sustainability of performance. Hence, this work provides an analysis of the methods using nanolubricants to improve the performance of refrigeration systems. This study provides a comprehensive analysis of the performance parameters of the refrigeration system, including compressor work and coefficient of performance (COP), when utilizing nanolubricants. The study findings suggest that including nanolubricants in the refrigeration system can enhance the heat transfer coefficient. Hence, nanolubricants are identified as the most promising contenders for enhancing the efficiency of the refrigeration system.
Mode-Dependent Effects of a Piggyback Throttle Controller on Torque and Power in a 1500 cc EFI Engine Ilza, Farhat Ramadhan; Hidayat, Nuzul; Sugiarto, Toto; Nanda, Iffarial; Muriban, Jackly
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 8 No 1 (2026): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v8i1.531

Abstract

The rising adoption of aftermarket devices in the car modification industry has heightened interest in the piggyback throttle controller as an effective means of modifying throttle response without substituting the original ECU. Nonetheless, its impact on torque and power remains inadequately substantiated through controlled experimentation. This study experimentally assessed the impact of a 9-Drive piggyback throttle controller on the performance parameters of a 2011 Toyota Yaris 1500 cc EFI engine utilizing a chassis dynamometer. The car underwent testing under four conditions: no treatment, Standard mode, F1 mode, and ECO mode, with each condition replicated three times. The findings indicated that F1 mode generated the maximum average torque, attaining 177.13 Nm, which was 15.03 Nm greater than the untreated condition. Conversely, ECO mode yielded the highest average power at 98.60 HP, whereas Standard mode exhibited just negligible variations in both metrics. The data demonstrate that the controller did not produce a consistent performance enhancement across all modes, but instead altered the engine's output characteristics in a mode-dependent fashion. Under the current testing conditions, F1 mode exhibited a more pronounced torque-oriented response, while ECO mode demonstrated marginally greater power output. The findings indicate that a piggyback throttle controller can alter engine response characteristics, however its impact must be assessed in relation to the chosen mode and the particular performance metric under evaluation.
Co-Authors Agus Nugroho, Agus Ghazali, Mohd. Fairusham Ilza, Farhat Ramadhan Kozin, Muhammad Mamat, Rizalman Nanda, Iffarial Nuzul Hidayat, Nuzul Prayogo, Galang Sandy Sugiarto, Toto