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All Journal J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Walisongo Journal of Information Technology Journal of Railway Transportation and Technology
Ahmad Arbi Trihatmojo
Akademi Komunitas Negeri Pacitan
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Journal of Railway Transportation and Technology

 1 
Performance and Combustion Process of a Dual Fuel Diesel Engine Operating with CNG-Palm Oil Biodiesel Ahmad Arbi Trihatmojo; Bambang Sudarmanta; Oki Muraza
Journal of Railway Transportation and Technology Vol. 2 No. 1 (2023): March
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jrtt.v2i1.22

Abstract

Efforts to build and develop a low-emission transportation system have been carried out, one of which is by applying biodiesel and gas to dual-fuel diesel engines. Biodiesel is an oxygenated, low-sulfur, and high flash point alternative diesel fuel. In the dual fuel mode, CNG is used as a substitute fuel and palm biodiesel as a combustion pilot which is injected directly into the combustion chamber at 13 °CA BTDC. CNG injection timing was 110 °CA ATDC and the CNG injection duration was gradually increased. Performance and combustion processes in single-fuel mode and dual-fuel mode are compared. The engine was kept at a constant speed of 2000 rpm at all load conditions. The results show that the dual fuel mode at low and medium loads produces in-cylinder pressure and the heat release rate is lower than the single fuel mode, but at high loads, it produces in-cylinder pressure and the heat release rate is 5.14% greater. CO and HC emissions produced by the dual fuel mode are higher than the single fuel mode at all loads. conversely, the dual-fuel mode produces 95.58% lower smoke emissions than the single-fuel mode at all loads.
Co-Authors Anggara Trisna Nugraha Bambang Sudarmanta Dwi Ariani Finda Yuniarti Hanafi, Agung Fauzi I Gusti Ngurah Agung Satria Prasetya Dharma Yudha Mega Lazuardi Umar Oki Muraza Rizqi Ilmal Yaqin Rochmad Eko Prasetyaning Utomo