Challenges facing the low temperature diesel combustion boosting system

Author

Jingping, Liu ; Xiaolang, Xia ; Shuqing, Wang ; Xingsheng, Xu ; Zhengxing, Xu ; Ling, Yin

Author_Institution

Res. Center for Adv. Powertrain Technol., Hunan Univ., Changsha, China

fYear

2011

fDate

15-17 April 2011

Firstpage

5744

Lastpage

5747

Abstract

Discussed in this paper are the challenges facing the boosting systems of Low Temperature Combustion (LTC) system. A new term named "Gas to Fuel Ratio (GFR) in cylinder" is introduced to deal with the combined dilution effect of fresh air and cooled external EGR Formulas are derived to illuminate the fundamental relationship between engine BMEP and GFR targets, with the required mass flowrate and pressure ratio for the boosting system. The theoretic models are correlated with experimental data and applied to optimize for the boosting system of a two stroke two cylinder diesel engine with up to 50% of external EGR

Keywords

combustion; cooling; diesel engines; engine cylinders; exciters; cooled external EGR; dilution effect; engine cylinder; gas-to-fuel ratio; low temperature diesel combustion boosting system; mass flowrate; pressure ratio; Boosting; Combustion; Engines; Fuels; Integrated circuits; Laboratories; Vehicles; EGR; Engine Boosting System; GFR; LTC;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Information and Control Engineering (ICEICE), 2011 International Conference on

Conference_Location

Wuhan

Print_ISBN

978-1-4244-8036-4

Type

conf

DOI

10.1109/ICEICE.2011.5776810

Filename

5776810