In-cylinder flow and combustion studies of high-speed direct injection diesel engines

Researchers: C. Marriner, K. Sison, K. Gill

Supervisors: Prof. H. Zhao, Prof. N. Ladommatos

Sponsors: EU, Delphi Fuel Systems, EPSRC

1. High-speed spray and flame imaging

(by Cu+/YAG laser & video camera - 10-40kHz)

Pilot 27 degrees BTDCPilot 26 degrees BTDC

(Left) Pilot 27° BTDC  (Right) Pilot 26° BTDC

Main 2 degrees BTDCMain 2 degrees BTDC

(Left) Main 2° BTDC (Right) Main 2° BTDC

Main 1 degree ATDCMain 7 degrees ATDC

(Left) Main 1° ATDC (Right) Main 7° ATDC

2. Two-colour technique for flame temperature and soot loading measurement

Two colour technique system diagram

Two colour technique graph - crank angle vs. flame temperature

3. Laser Induced Incandescence (LII) for soot measurement

Laser Induced Incandescence system diagram

Laser Induced Incandescence graphs

4. In-cylinder sampling

In-cylinder sampling diagram

In-cylinder sampling example image

Page last updated: Monday 09 July 2012