Page 24 - Introduction to Marine Engineering
P. 24
12 Diesel engines
Fuel Fuel
injection injection
begins ends
Exhaust Exhaust
ports ports
close open
Figure 2.4 Two-stroke timing diagram
Upper
/piston t
" i- h-Exhaust ITO
T_ J
f Fuel ' port i— r
^injector
k . ^ •-Scavenge • 4 r
port
\Lower I ,t 1 1 f
piston
,
I r 1 n r 1_ _r - L-t J -4
Injection Exhaust Scavenging Compressioi
(a) (b) (c) (d)
Figure 2.5 Opposed piston engine cycle
