Combustion characteristics of various octane rating fuels for automotive thermal engines efficiency requirements

Adnan Kadhim Rashid, Mohd Radzi Abu Mansor, Alexandru Racovitza, Radu Chiriac

Research output: Contribution to journalConference article

Abstract

The key concern of the Malaysian national automotive industry is the development of clean and efficient automotive industry in the country. The fuel RON95 and RON97 are more commonly used in Malaysian transportation industry. The debatable studies have been conducted to investigate both types of these fuels used in Malaysia. The findings indicated RON95 to be more cheap and economic comparing to RON97. The probability of enhancement in engine performance by decreasing hazardous gases was experimentally investigated in this study using three types of gasoline with RON95, 97 and 102. The Mitsubishi Campro CPS 1.6 L4 engine with compression ratio 11: 1 is used in this study. Under various load and speed conditions the findings of the study indicated that fuel RON97 shows enhancement in BSFC, reduced by 13% comparing to RON102 and by 24% comparing to RON95. RON97 shows higher torque and engine power versus the RON102 and RON95. Brake thermal efficiency of RON97 was found higher with 14% than RON102 and with 30% than RON95. The lower NOx emission was found using high octane of RON102 gasoline by an average of 25%, and 102% compared to RON95 and RON97. The lower octane number fuel RON95 gave higher levels of CO compared to high octane number of RON97 and RON102 fuels. The study concluded that RON97 offers high performance and efficiency in all operating condition from low speed to high speed. Moreover, it is found to be environmental friendly, as far as octane rating regarding its energy potential. It is asserted that RON97 fuel is appropriate for widely used Malaysian engine models comparing to the most common RON95 fuel, in terms of engine power, fuel economy, and overall emissions.

Original languageEnglish
Pages (from-to)763-772
Number of pages10
JournalEnergy Procedia
Volume157
DOIs
Publication statusPublished - 1 Jan 2019
Event2018 Technologies and Materials for Renewable Energy, Environment and Sustainability, TMREES 2018 - Athens, Greece
Duration: 19 Sep 201821 Sep 2018

Fingerprint

Engines
Antiknock rating
Automotive industry
Gasoline
Compression ratio (machinery)
Fuel economy
Potential energy
Hot Temperature
Brakes
Torque
Economics
Gases
Industry

Keywords

  • Automotive
  • CPS
  • Emission
  • Performance
  • RON
  • Throttle opening

ASJC Scopus subject areas

  • Energy(all)

Cite this

Combustion characteristics of various octane rating fuels for automotive thermal engines efficiency requirements. / Rashid, Adnan Kadhim; Abu Mansor, Mohd Radzi; Racovitza, Alexandru; Chiriac, Radu.

In: Energy Procedia, Vol. 157, 01.01.2019, p. 763-772.

Research output: Contribution to journalConference article

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abstract = "The key concern of the Malaysian national automotive industry is the development of clean and efficient automotive industry in the country. The fuel RON95 and RON97 are more commonly used in Malaysian transportation industry. The debatable studies have been conducted to investigate both types of these fuels used in Malaysia. The findings indicated RON95 to be more cheap and economic comparing to RON97. The probability of enhancement in engine performance by decreasing hazardous gases was experimentally investigated in this study using three types of gasoline with RON95, 97 and 102. The Mitsubishi Campro CPS 1.6 L4 engine with compression ratio 11: 1 is used in this study. Under various load and speed conditions the findings of the study indicated that fuel RON97 shows enhancement in BSFC, reduced by 13{\%} comparing to RON102 and by 24{\%} comparing to RON95. RON97 shows higher torque and engine power versus the RON102 and RON95. Brake thermal efficiency of RON97 was found higher with 14{\%} than RON102 and with 30{\%} than RON95. The lower NOx emission was found using high octane of RON102 gasoline by an average of 25{\%}, and 102{\%} compared to RON95 and RON97. The lower octane number fuel RON95 gave higher levels of CO compared to high octane number of RON97 and RON102 fuels. The study concluded that RON97 offers high performance and efficiency in all operating condition from low speed to high speed. Moreover, it is found to be environmental friendly, as far as octane rating regarding its energy potential. It is asserted that RON97 fuel is appropriate for widely used Malaysian engine models comparing to the most common RON95 fuel, in terms of engine power, fuel economy, and overall emissions.",
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