Wednesday, October 17, P-20

Experimental Investigation of Effect of Injection Parameters,

Compression Ratio and Ultra-cooled EGR on CI Engine

Performance and Emission

Brijesh Patel,

A. Chowdhury,

S. Sreedhara

IC Engine and Combustion Lab, IIT Bombay,

India.

brijeshpatel_me@iitb.ac.in

brijeshpatel_me@iitb.ac.in

Low Temperature Combustion, simultaneous reduction of NOx and PM, in CI engines is achieved with moderate rate of EGR

-22

-14

-6

2

10

20

22

24

26

28

30

0 20 40

SN R

atio

(for

NO

xan

d PM

)

SN R

atio

(for

BT

E)

Exhaust Gas Recirculation, %

BTE NOx PM

Ultra-cooled and Dry EGR

Flatter and wider HRR curves were observed for runs having late injection timing and moderate rate of ultra-cooled EGR