KEIO UNIVERSITY

1
KEIO UNIVERSITY
Development of the Control System Using EGR for
the HCCI Engine Running on DME
Masato Ikemoto, Tetsuo Omura, Yoshihiko Kanoto
Purposes
To develop Homogeneous Charge Compression
Ignition (HCCI) engine running on Di-Methyl
Ether(DME) To construct the control system
using EGR which resolve the problem of HCCI
combustion, ignition timing, knocking and
combustion efficiency
Fig.1 DME Structure, Ignition Delay
Fig.2 Proposed Control System
Results
Fig.3 Temperature, R.H.R. History
Fig.4 Engine Performance
DME is suitable fuel for the HCCI engine in
terms of combustion characteristics internal
EGR and external EGR are effective to control
ignition timing and combustion reaction
speed Developed DME HCCI engine gets high
thermal efficiency but much lower IMEP
2005 IIDA LABORATORY