The effect of additive on combustion characteristics and cycle to cycle variations on si engine fueled by gasoline and bioethanol

Authors

  • Setia Abikusna Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424, Indonesia
  • Bambang Sugiarto Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424, Indonesia
  • Ratna Monasari Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424, Indonesia
  • Iqbal Yamin Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424, Indonesia

DOI:

https://doi.org/10.15587/1729-4061.2018.147585

Keywords:

bioethanol, oxygenated, cylinder pressure, coefficient of variation, cycle to cycle variations, power, torque

Abstract

Currently, the main energy source is heavily dependent on fossil energy. The current transportation technology also uses fossil-derived energy sources to make vehicle engines are ignited. Also, the electricity that is currently enjoyed by billions of people resulted enormously from the use of fossil energy. Limitations of existing fossil energy sources and the issue of global warming have led many to expand on renewable energy and energy conservation to maintain energy availability. One of an alternative energy source that is currently being developed is the use of bioethanol as a mixture or replacement of fossil fuel. The use of bioethanol (C2H5OH) as a substitute for a mixture of fossil fuels affects the efficiency of the engine produced by fuel. This study examines the effect of a mixture of bioethanol gasoline (RON 80) on a single-cylinder spark ignition (SI) 125 cc engine that is carried out with variations in fuel mixtures (E0, E5, E10, and E15) with the addition of 0.5 vol % oxygenated cyclohexanol and this experimental test is carried out as much as 800 cycles for each fuel mixture, with throttle opening, maintained 100 %, and variations in engine speed at 4,000 rpm up to 8,500 rpm with engine speed increases every 500 rpm. Engine performance is measured by connecting a machine with a dynamometer, and the variation of cylinder pressure combustion is measured by a pressure transducer. The test results are expected to prove that the mixture of fuel with oxygenated cyclohexanol can reduce COVIMEP in the cycle to cycle variations (E10++ which is 4.24 %), so that torque fluctuations do not occur which results in reliable engine performance or vehicle driveability increase, besides that the performance of both power and torque becomes better

Supporting Agency

  • The authors would like to thank DRPM UI and RisTek DikTi RI for providing the grant TADOK 2018 and PDUPT No. 399/UN2.R3.1/HKP05.00/2018 in this research so that it can be completed well

Author Biographies

Setia Abikusna, Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424

Doctoral Student

Department of Mechanical Engineering

Bambang Sugiarto, Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424

Professor

Department of Mechanical Engineering

Ratna Monasari, Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424

Master Student

Department of Mechanical Engineering

Iqbal Yamin, Universitas Indonesia Depok, Jawa Barat, Indonesia, 16424

Master Student

Department of Mechanical Engineering

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Published

2018-12-20

How to Cite

Abikusna, S., Sugiarto, B., Monasari, R., & Yamin, I. (2018). The effect of additive on combustion characteristics and cycle to cycle variations on si engine fueled by gasoline and bioethanol. Eastern-European Journal of Enterprise Technologies, 6(6 (96), 27–36. https://doi.org/10.15587/1729-4061.2018.147585

Issue

Vol. 6 No. 6 (96) (2018): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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