Influence of modern diesel cold start systems on the cold start, warm ...

<strong>Influence</strong> <strong>of</strong> <strong>modern</strong> <strong>diesel</strong> <strong>cold</strong> <strong>start</strong> <strong>systems</strong> on the <strong>cold</strong> <strong>start</strong>, warm-up and emissions <strong>of</strong> <strong>diesel</strong> engines
Starting time [s]
4,5
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
0,0
-25 -10
Cold Start Temperature [°C]
0
20
Metal Glow Plug without Heater
Metal Glow Plug with Heater
Fig. 5-9 Starting time differences by system with and without intake air heater <strong>of</strong> the V-angle engine
Fig. 5-10 Comparison <strong>cold</strong> <strong>start</strong> with metal and ceramic glow plugs and an intake air heater (-25°C) <strong>of</strong>
the V-angle engine