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All Journal Jurnal Elementer (Elektro dan Mesin Terapan) Mechonversio: Mechanical Engineering Journal ELPOSYS: Jurnal Sistem Kelistrikan
Isdhianto, Irfan
Unknown Affiliation
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENGARUH KATALIS TiO2 TERHADAP EMISI GAS BUANG PEMBAKARAN DROPLET MINYAK KELAPA SAWIT Winarko, Wigo Ardi; Aldiansyah, Rio Candra; Laksono, Yuke Hary; Isdhianto, Irfan
Mechonversio: Mechanical Engineering Journal Vol. 6 No. 2 (2023): DESEMBER 2023
Publisher : Univervitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/mmej.v6i2.16436

Abstract

Telah dilakukan penelitian tentang pengaruh variasi katalis TiO2 terhadap emisi gas buang hidrocarbon dan carbon monoksida pembakaran droplet minyak kelapa sawit. Konsentrasi katalis yang diamati pada penelitian ini yaitu 1%, 2% dan 3%. Pengujian droplet dilakukan dengan menempatkan CPO sebanyak 1,25-1,31 ml pada thermocouple. Variabel droplet yang diamati meliputi evolusi api, emisi gas hidrocarbon dan carbon monoksida. Hasil penelitian menunjukkan bahwa penambahan katalis TiO2 pada minyak kelapa sawit memiliki dampak yang kurang baik pada pembakaran yang dihasilkan. Terbukti dimana dengan penambahan katalis TiO2 pada yang semakin besar berakibat pada semakin panjangnya umur nyala api serta terjadi peningkatan emisi gas HC dan CO yang dihasilkan. Ini terjadi karena adanya perbedaan titik didih yang dimiliki oleh CPO dan TiO2. Selain itu penambahan katalis TiO2 juga berdampak pada reaksi pembakaran yang semakin melambat akibat peningkatan viskositas CPO sehingga mengakibatkan pembakaran kurang sempurna serta timbul lebih banyak jelangga yang menyebabkan CO dan HC menjadi meningkat.
Optimalisasi Waktu Pengapian untuk Mesin Bensin: Studi Performa dan Emisi Ramadhan Nur, Hamid; Muhammad, Rouf; Sugiyarto; Dwi Ardika, Rizki; Rizki Bintoro, Sefrian; Safi'i, Muhamad; Isdhianto, Irfan
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 11 No 2 (2025): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v11i2.6761

Abstract

Multiple factors affect the performance of spark ignition (SI) engines, with ignition time being a crucial element. Accurate ignition timing is essential for optimizing engine performance and regulating exhaust emissions. This study examines the performance, fuel efficiency, and exhaust emissions of a 125cc engine by evaluating ignition timing variations at 550, 600, and 650 CA BTDC. The study involved direct evaluation of engine performance with a dynamometer test for torque and power, assessment of fuel consumption using a measuring cup, and investigation of exhaust emissions using a gas analyzer. The precise calibration of ignition timing discrepancies was accomplished via a motorbike diagnostic tool. The findings demonstrate that a 600 CA BTDC ignition timing variation produces excellent engine performance and efficient exhaust emissions. Optimal ignition timing profoundly influences engine performance and emission quality, rendering it essential for enhancing efficiency and mitigating environmental effects. Consequently, the results of this study may serve as a reference for practical applications in the field. Keywords: ignition timing, engine performance, emission, fuel consumption.  
Implementasi Thermoelectric Generator Lilin Sebagai Solusi Energi Tepat Guna Daerah Terpencil Kalimantan isdhianto, Irfan; Himawan, Helmy Mukti; Setiawan , Dona
Elposys: Jurnal Sistem Kelistrikan Vol. 12 No. 3 (2025): ELPOSYS VOL. 12 NO.3 (2025)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v12i3.7780

Abstract

The demand for electricity in remote areas of Kalimantan remains a significant challenge due to the limited reach of the national power grid. This research aims to develop a low cost, eco friendly, and practical power generation solution using a thermoelectric generator (TEG) integrated with a candle based heat source. A prototype candle tube was designed and constructed using copper heat exchangers, TEG modules, and passive cooling systems (heatsinks). The system was tested under two conditions using one and two candles as heat sources while powering LED lights. Temperature data on the hot and cold sides of the TEG were recorded using an Arduino data logger, and the electrical output (voltage and current) was monitored using a USB multimeter. Results showed that increasing the number of candles significantly raised the temperature difference across the TEG, from 24°C with one candle to 39°C with two, leading to a voltage increase from 2.68 V to 2.80 V, current from 0.06 A  to 0.16 A, and power output from 0.15 W to 0.44 W. These findings demonstrate that the system's performance correlates directly with the thermal gradient. With its simple design, accessible materials, and passive operation, this candle based TEG system offers a promising alternative energy source for rural communities lacking access to conventional electricity, especially in Kalimantan’s interior regions.
Co-Authors Aldiansyah, Rio Candra Helmy Mukti Himawan, Helmy Mukti Laksono, Yuke Hary Muhammad, Rouf RAMADHAN NUR, HAMID Rizki Bintoro, Sefrian Rizki Dwi Ardika Safi'i, Muhamad Setiawan , Dona Sugiyarto Winarko, Wigo Ardi