Performance comparison of one cylinder combustion engine with variations of compression pressure & octane number gasoline

Bahtiar Rahmat; Mohammad Burhan Rubai Wijaya

doi:10.24853/sintek.17.1.31-37

Performance comparison of one cylinder combustion engine with variations of compression pressure & octane number gasoline

Bahtiar Rahmat, Mohammad Burhan Rubai Wijaya

Abstract

Nowadays, automobiles and motorcycles manufacturer produced more powerful and efficient engines. This engine usually has high compression pressure to achieve high performance and economic gasoline consumption. Unfortunately, only few people known that high compression engine requires high octane number gasoline. The aim of this research were to find out the differences of power & torsion output of one cylinder combustion engine which given several compression pressure variances using Pertamax & Pertamax racing gasoline. Dynamometer test has been carried out to find the performance difference of one cylinder combustion engine. The results shown that the highest compression pressure engine (11,8 Kg/cm²) using Pertamax racing gasoline (RON 100) produced highest power output at 7,8 KW with torsion output at 10 Nm. Meanwhile, the lowest compression pressure engine (10 Kg/cm²) using Pertamax gasoline (RON 92) produced lowest power output at 4,2 KW with torsion output at 3,8 Nm.

Keywords

performance; compression pressure; octane number

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References

Heywood, J. B. (1988). Internal Combustion Engine Fundamentals. McGraw-Hill Education. ISBN: 978-0070286375.

Taylor, C. F. (1985). The Internal Combustion Engine in Theory and Practice: Volume 1: Thermodynamics, Fluid Flow, Performance. MIT Press. ISBN: 978-0262510379.

Stone, R. (1999). Introduction to Internal Combustion Engines. Palgrave Macmillan. ISBN: 978-0333734971.

Watson, N., & Janota, M. S. (1982). Fuel octane effects on the performance of high compression ratio spark ignition engines. SAE Technical Paper Series, 820022.

Watson, H. C. (1997). Octane number and knock in the highspeed internal combustion engine. SAE Technical Paper Series, 972950.

Fletcher, T. H., Dempsey, A. B., & Miller, D. L. (2001). High compression ratio effects on fuel consumption, emissions, and heavy-duty diesel engine performance. SAE Technical Paper Series, 2001-01-0192.

Dec, J. E. (2010). Advanced compression-ignition engines—understanding the in-cylinder processes. Proceedings of the Combustion Institute, 33(1), 2729-2750.

Naber, J. D., & Siebers, D. L. (1996). Effects of fuel properties on combustion and emissions of homogeneous charge compression ignition (HCCI) engines. SAE Technical Paper Series, 962084.

Lapuerta, M., Armas, O., & Rodríguez-Fernández, J. (2010). Compression ratio influence on performance and emissions of an HSDI diesel engine fuelled with 2,5-dimethylfuran. Fuel, 89(12), 3695-3701.

Syed, J., & Sreenivasan, K. (2014). Investigation of the effect of compression ratio on performance, combustion and emission characteristics of a diesel engine fuelled with ethanol-diesel blends. Fuel, 137, 184-193.

DOI: https://doi.org/10.24853/sintek.17.1.31-37