Diesel Engine Fuel Economy Improvement Challenges and ...
Diesel Engine Fuel Economy Improvement Challenges and ...
Diesel Engine Fuel Economy Improvement Challenges and ...
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The <strong>Diesel</strong> <strong>Engine</strong> Industry Journey<br />
Brake Thermal Efficiency<br />
60%<br />
55%<br />
50%<br />
45%<br />
40%<br />
35%<br />
30%<br />
25%<br />
20%<br />
Electronic<br />
EGR<br />
Common<br />
<strong>Engine</strong><br />
Rail VGT<br />
Hi Injection Pressure<br />
Higher EGR Flow,<br />
Cooling,<br />
VGT, 2-stage turbo<br />
Turbocompounding<br />
Aftertreatment<br />
40 – 42%<br />
1991 1994 1998 2004 2007 2010<br />
4
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