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The Effects of Equivalence Ratio on Knock in SI Engine

Year: 2004

Type: article

Abstract: The effects of mixture equivalence ratio on knock in SI engines were investigated by a numerical simulation using the Lievengood-Wu integral in combination with a detailed chemical kinetic model of n-butane. This method could save the time-consuming of predicting knock and good validations were achieved on various operating conditions of a SI engine. The results showed that lean mixture did not always suppress knock in engines because the knock tendency depended not only on equivalence ratio but also on the pressure and temperature history of the unburned mixture.

Source: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B

DOI: 10.1299/kikaib.70.1100

Authors: Hiroshi MIYAGAWA, Makoto KOIKE, Yuichi OHTERU, Shinji KOJIMA

Institution: Toyota Central Research and Development Laboratories (Japan)

Language: English

Topic: Advanced Combustion Engine Technologies

Subfield: Fluid Flow and Transfer Processes

Field: Chemical Engineering

Domain: Physical Sciences

Open Access status: diamond

OpenAlex ID: W2332282200

FWCI:

Cites:

Cited by: 3

Related to: 10