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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Teknik Mesin Mechanical Xplore
Ade Sunardi
Jakarta Global University
Automotive Engineering Computer Science & IT Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENGARUH CAMPURAN BENSIN DAN MINYAK JAHE PADA GETARAN MESIN SEPEDA MOTOR Riyan Ariyansah; Murtalim; Adhes Gamayel; Ade Sunardi; Fitria Efendy
Jurnal Teknik Mesin Mechanical Xplore Vol 1 No 2 (2021): Jurnal Teknik Mesin Mechanical Xplore
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (368.13 KB) | DOI: 10.36805/jtmmx.v1i2.1391

Abstract

Motor bakar adalah suatu mesin knversi energi yang digunakan untuk alat transportasi yang banyak digunakan oleh berbagai lapisan masyarakat. Menyadari akan hal itu telah banyak dilakukan penelitian dan pengembangan untuk mengefesiensikan energi yang digunakan oleh motor bakar, salah satunya adalah pencampuran bahan bakar bensin dengan minyak jahe. Hal ini tentunya akan memberi hasil kinerja pada mesin tersebut. Penelitian ini dilakukan utuk mengetahui pengaruh pencampuran bahan bakar bensin dengan minyak jahe pada getaran mesin, torsi dan emisi gas buang pada kendaraan sepeda motor tersebut. Dengan variasi campuran minyak jahe 5 %, 10% dan 15% pada putaran mesin 1000 Rpm dan 2000 Rpm. Hasil penelitian menunjukkan bahwa semakin besar campuran minyak jahe maka semakin besar getaran pada mesin, torsi yang dihasilkan oleh mesin semakin rendah dan hasil emisi gas buang semakin tinggi
Performance of piezoelectric energy harvester with various ratio substrate and micro windmill Adhes Gamayel; Ade Sunardi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 22, No 2: April 2024
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v22i2.25691

Abstract

One of the mechanical energy harvesters, piezoelectric energy harvesters (PEHs), produces electricity in response to an external load, which leads to stress and strain in the cantilever beam. The study focused on performance PEH due to collisions between micro windmill blades and PEH substrate. The substrate has dimensions of 10 cm × 6 cm × 1 mm in length, width, and thickness, respectively. Experimental setup was in wind tunnel with a cross-section of 250 mm × 250 mm and blower to generated wind flow inside the tunnel. The wind speeds were set up at 6, 7, and 8 m/s, and then three ratios, namely 1:1, 1:2, and 1:3, were analyzed in output voltage and the deflection. The performance of energy harvesting in a ratio of 1:1 and wind speed of 8 m/s produces a deflection of 2.05 cm, the highest voltage of 12.67 volts, and an effective voltage of 5.62 volts. It was found that ratio 1:1 has a greater mass weight and cross-section than others, leading to more curvature in the PEH beam when the collision occurs. Besides that, the high speed of the micro windmill rotation causes collisions between the blades and PEH to become more frequent.
Co-Authors Adhes Gamayel Fitria Efendy Murtalim Riyan Ariyansah