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A Study on the Combustion Characteristic and Soot Distribution of a Common Rail Type D.I.Diesel Visualized Engine with Pilot Injection  

이재용 (한양대학교 대학원)
한용택 (한양대학교 대학원)
이기형 (한양대학교 기계공학과)
이창식 (한양대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.11, no.6, 2003 , pp. 37-43 More about this Journal
Abstract
The objective of this work is to investigate the effect of swirl, injection pressure and pilot injection on D.I. diesel combustion by using a transparent engine system. The test engine is equipped with common rail injection system to obtain high pressure and to control injection timing and duration. In this study, the combustion analysis and steady flow test were conducted to estimate the heat release rate from in-cylinder pressure. Soot distribution in diffusion flame according to swirl ratio, injection pressure and pilot injection was investigated by using LII technique. As the results, high injection pressure was found to shorten ignition delay as well as enhance peak pressure and heat release rate was greatly affected by injection timing and pilot injection. In addition, the results showed that the period of soot formation corresponded to the diffusion flame.
Keywords
Common rail; Swirl; Injection pressure; Transparent engine; LII(Laser induced incandescence);
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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[ S.J.Kim;J.W.Jeong;K.H.Lee;M.H.Sunwoo ] / Transactions of KSAE   과학기술학회마을
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[ J.W.Jeong;K.H.Lee;C.S.Lee ] / Transactions of KSAE   과학기술학회마을
5 Laser-Induced Incandescence Measurements of Particulate Matter Emissions in the Exhaust of a Diesel Engine /
[ G.J.Smallwood;D.R.Snelling;W.S.Neill;F.Liu;W.D.Bachalo;O.L.Gulder ] / Comodia 2001
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[ J.Kawashima;H.Ogawa;Y.Tsuru ] / SAE 982680
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[ N.Hikosaka ] / SAE 972682