INVESTIGATION OF THE INFLUENCE OF SPARK ADVANCE, COMPRESSION RATIO AND RELATIVE HUMIDITY OF AIR INTAKE ON THE PROBABILITY OF KNOCK OCCURRENCE IN AN SI ENGINE FUELED WITH METHANE

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JAHANIAN O.; JAZAYERI S.A.; EBRAHIMI REZA

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: THE JOURNAL OF ENGINE RESEARCH Year:2008 | Volume:5 | Issue:12 Page(s): 30-37

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Title

INVESTIGATION OF THE INFLUENCE OF SPARK ADVANCE, COMPRESSION RATIO AND RELATIVE HUMIDITY OF AIR INTAKE ON THE PROBABILITY OF KNOCK OCCURRENCE IN AN SI ENGINE FUELED WITH METHANE

Author(s)

JAHANIAN O. | JAZAYERI S.A. | EBRAHIMI REZA | Issue Writer Certificate

Keywords

SPARK IGNITION ENGINEQ2

NATURAL GASQ2

KNOCKQ2

THENNODYNAMIC MODELINGQ3

CHEMICAL KINETICSQ2

Abstract

A thermodynamic model has been developed in this paper for an SI engine fueled with methane. The model is two-zone (burned-unburned) considering the CHEMICAL KINETICS of methane burning. The reduced burning mechanism includes 20 reactions with 15 chemical species. It was assumed that the flame, with adiabatic temperature is in equilibrium stage. The unburned zone was considered extensively to analyze the conditions that lead to KNOCK. The 'Knock Criterion' has been used to forecast the KNOCK intensity. The influence of engine parameters such as spark advance, compression ratio and relative humidity of air intake has been studied on KNOCK phenomenon. The experimental engine results from the literature were used to validate the accuracy of our model. The results show that any increase in spark advance and compression ratio or decrease in humidity of air intake wills increase-the probability of KNOCK in the engine.

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APA: Copy

JAHANIAN, O., JAZAYERI, S.A., & EBRAHIMI, REZA. (2008). INVESTIGATION OF THE INFLUENCE OF SPARK ADVANCE, COMPRESSION RATIO AND RELATIVE HUMIDITY OF AIR INTAKE ON THE PROBABILITY OF KNOCK OCCURRENCE IN AN SI ENGINE FUELED WITH METHANE. THE JOURNAL OF ENGINE RESEARCH, 5(12), 30-37. SID. https://sid.ir/paper/135603/en

Vancouver: Copy

JAHANIAN O., JAZAYERI S.A., EBRAHIMI REZA. INVESTIGATION OF THE INFLUENCE OF SPARK ADVANCE, COMPRESSION RATIO AND RELATIVE HUMIDITY OF AIR INTAKE ON THE PROBABILITY OF KNOCK OCCURRENCE IN AN SI ENGINE FUELED WITH METHANE. THE JOURNAL OF ENGINE RESEARCH[Internet]. 2008;5(12):30-37. Available from: https://sid.ir/paper/135603/en

IEEE: Copy

O. JAHANIAN, S.A. JAZAYERI, and REZA EBRAHIMI, “INVESTIGATION OF THE INFLUENCE OF SPARK ADVANCE, COMPRESSION RATIO AND RELATIVE HUMIDITY OF AIR INTAKE ON THE PROBABILITY OF KNOCK OCCURRENCE IN AN SI ENGINE FUELED WITH METHANE,” THE JOURNAL OF ENGINE RESEARCH, vol. 5, no. 12, pp. 30–37, 2008, [Online]. Available: https://sid.ir/paper/135603/en

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