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Relative Change in SI Engine Power and Economy with Variable Valve Timing: Simulation and ANOVA Analysis

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  • Jehad Yamin

Abstract

In this research, a comparison between the performance of Ricardo E6/T variable compression ratio engine was conducted at constant and variable valve timing. This was done at three different speeds. The inlet and exhaust valves timing was varied and the performance was tested using specialized software. Results showed strong dependency of engine power and economy on valve timing and lift for all speeds. Further, higher lifts and durations are favorable for good power and the opposite are favorable for good economy. Valve overlap is affecting the engine power and economy in opposite direction as other factors.

Suggested Citation

  • Jehad Yamin, 2018. "Relative Change in SI Engine Power and Economy with Variable Valve Timing: Simulation and ANOVA Analysis," Modern Applied Science, Canadian Center of Science and Education, vol. 12(7), pages 113-113, July.
    • Handle: RePEc:ibn:masjnl:v:12:y:2018:i:7:p:113
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    References listed on IDEAS

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    1. Fontana, G. & Galloni, E., 2009. "Variable valve timing for fuel economy improvement in a small spark-ignition engine," Applied Energy, Elsevier, vol. 86(1), pages 96-105, January.
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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