2013 DOE Annual Merit Review - ACCESS - Department of Energy

2013 DOE Annual Merit Review – ACCESS
Targets
• Demons trate 25% fuel efficiency improvement over chosen vehicle baseline (GM HFV6 in Cadillac CTS )
• Meet S ULE V emissions to demonstrate LE V3 emission capability
• Key systems and controls implemented and concept is commercially viable
System Complexity Technology to the Market Stringent Emissions
E nabling Technology
• fuel direct injection
• downs izing with turbo charging
• variable valve timing and profile
s witch
• closed loop combustion control
with in-cylinder pres s ure s ens ing
• adaptive fuel metering
• cooled high pres s ure E G R
• estimated total s ys tem cos t
within current market targets
commercially attractive
P roducts
• E ngine C ontrol Unit (E C U) with
combustion controls.
F ully implemented advanced
combus tion controls in a
production level E CU meeting
production A-s ample
requirements by mid of P has e 3.
(no rapid prototyping tools
required for OE M application)
• combustion pressure sensor
Demons tra ting S UL E V
• T he advanced combus tion
concepts chos en s how the
potential to meet S UL E V
without expensive after
treatment other than T W C .
• E xhaus t after treatment s ys tem
des ign (s izing and loading of
the TWC) was performed
based on experimental dyno
data and s imulation.
• Implementation and vehicle
emis s ion res ults will be
demons trated in P has e III.
technology made available meets 2025 emission goals
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