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A Study on the Measurement of Temperature and Soot in a Visualized D.I Diesel Engine Using the Laser Diagnostics  

Han, Yong-Taek (Graduate School, Hanyang University)
Lee, Ki-Hyung (Department of Mechanical Engineering, Hanyang University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.15, no.5, 2007 , pp. 38-47 More about this Journal
Abstract
Based upon temperature calibration using the diffusion flame, the temperature and soot concentration of the turbulent flame in a visualized Diesel engine's turbulent flow of flame was qualitatively measured. Two different heads were used to judge the effect of swirl ratio within the combustion chamber. It was possible to measure the highest temperature of the non-swirl head visualized engine which is approximately 2400K, and that the swirl head engine managed up to 2100K. Also, the more the pressure of the spray increases the more the temperature increases due to the improved combustion situation with respect to the visualized diesel engine soot. This experiment also revealed that the KL factor was high where the fuel collided with the walls of the combustion chamber. Moreover the KL factor was high on parts of the chamber where the temperature dropped rapidly.
Keywords
Two-color method; Visualized diesel engine; Temperature; Soot; Swirl head; Non-swirl head;
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