Indian Journal of Science and Technology
Year: 2017, Volume: 10, Issue: 7, Pages: 1-5
I. M. Yusri1*, R. Mamat2 , W. H. Azmi2 , Omar I. Awad1 , M. F. Othman1 and S. M. Rosdi1
1Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang Malaysia 2Automotive Engineering Centre, Universiti Malaysia Pahang, 26600 Pekan, Pahang Malaysia; [email protected]
*Author for the correspondence:
I. M. Yusri
Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang Malaysia
E-mail: [email protected]
Objectives: In this study, evaluation of the potential of energy recovery in spark ignition engine using RON 95 gasoline fuels. Methods: The engine has been operated at a single engine speeds of 3500 RPM with 50% of Wide Throttle Open (WTO). The potential of energy recovery was measured by means of engine effective power, Water Heat Losses (WHL) and Exhaust Heat Losses (EHL). Findings: Comparative analysis of the experimental results showed an improvement of 1.16%, 2.12% and 3.08% in EHL at 75°C, 50°C and 25°C, respectively, by taking 120°C as the reference temperature of EHL. The results of the contour plot showed that a trade-off between the WHL and EHL. Conclusion: Higher proportions of energy losses can be utilised by considering both WHL and EHL.
Keywords: Exhaust Heat Losses, Effective Power, Water Heat Losses (WHL)
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