An Experimental Analysis of the Knock Response of Different Stoichiometric Mixtures of Gasoline-Natural Gas to Various Engine ‎Speeds

Subject Areas : International Journal of Industrial Mathematics

رضا بهراد ¹ , ابراهیم عبدی اقدم ² , هادی غائبی ³

1 - Faculty of Mechanical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran
2 - Faculty of Mechanical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran.
3 - Faculty of Mechanical Engineering, University of Mohaghegh Ardabili, Ardabil, Iran.

Received: 2019-10-21 Accepted : 2019-12-14 Published : 2023-01-01

Keywords: Natural gas, knock, dual fuel, Gasoline, spark ignition engine,

Abstract :

Gasoline causes engine knock in higher compression ratios due to having lower spontaneous ignition temperature. Natural Gas (NG) has a higher octane number and is a proper fuel in terms of anti-knock properties; however, using it as the engine fuel results in a decline in the power of the engine and increases the emission of some exhaust gases due to lower burning velocity and gaseous nature.

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