Review of the Investigation of Fuel-Air Premixing and Combustion Process Using Rapid Compression Machine and Direct Visualization System

Abstract:

s :This paper reviews of some applications of optical visualization system to compute the fuel-air mixing process during early stage of mixture formation and late injection in Diesel Combustion Engine. This review has shown that the mixture formation is controlled by the characteristics of the injection systems, the nature of the air swirl and turbulence in thecylinder, and spray characteristics. Few experimental works have been investigated and found that the effects of injection pressure and swirl ratio have a great effect on the mixture formation then affects to the flame development and combustion characteristics.This paper presents the significance of spray and combustion study with optical techniques access rapid compression machine that have been reported by previous researchers. Experimental results are presentedin order to provide in depth knowledge as assistance to readers interested in this research area. Analysis of flame motion and flame intensity in the combustion chamber was performed using high speed direct photographs and image analysis technique. The application of these methods to the investigation of diesel sprays highlights mechanisms which provide a better understanding of spray and combustion characteristics.

• Periodical: Applied Mechanics and Materials (Volumes 465-466)
• Pages: 265-269
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.465-466.265
• Online since: December 2013
• Authors: Mohamad Jaat, Amir Khalid, Bukhari Manshoor, Siti Mariam Basharie, Him Ramsy
• Keywords: Combustion Process, Diesel, Emission, Image Analysis, Mixture Formation, Rapid Compression Machine, Swirl Ratio, Tip Penetration

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