Post on 11-Apr-2018
transcript
Evolving HD Engine Technology to Meet Future Emissions
Wayne Eckerle
VP Corporate R & T
June 14, 2017
2017 ERC Symposium
Liquid Fuels Will Dominate Transportation for Decades to Come
3
WIN with IC Engines
Combustion and Fuel Operating Space
Next Generation Combustion
Technologies Have Common Goal
Lower In-Cylinder Heat
Transfer
Shorter Combustion Duration
Both Increase PCP
Technical Approach to 55% BTE with Diesel
System Optimization
Technical Approach to 55% BTE with Diesel
Multiphysics System-Level ALD Modeling
Super System
Simulation
Combustion
Optimization
Architecture Assessment
System Simulation
TPP
FRM +
Controls
Co
mp
on
en
t D
ura
bilit
y a
nd
Reli
ab
ilit
yC
om
po
ne
nt F
low
& C
om
bu
stio
n P
erfo
rma
nc
e
System Limits
Option
Tool
Archite
cture
GEL/Duty Cycle
Simulation
Duty Cycle
Path to 55% BTE with Diesel Fuel
Demonstrated SuperTruck 1
‘Dual’ Turbine with Exhaust, EGR, and Coolant Heat Recovery
10
SuperTruck GHG Performance
Low NOx Rule – Two Paths
11Cummins Restricted Confidential
Low NOx Rule
90% Reduction On Current
Certification Cycles
New Low Load Cycles
Real World Reductions
ARB EPA
Cold Start Focus
Sustained Low Temp
Performance Focus
Low Engine
Out NOx
Fast
Catalyst
Warm Up
Catalyst
Keep
Warm
Cold Aftertreatment
NOx ConversionControls &
Sensors
Multi-Fuel Engine Platform Design Example
Total Fluid Consumption
Compared to Diesel
Cost and Fluid Consumption
Placement of a Gasoline Engine
Optimized for Commercial Use
ETHOS Vehicle Capability
-100.0-95.0-90.0-85.0-80.0-75.0-70.0-65.0-60.0-55.0-50.0-45.0-40.0-35.0-30.0-25.0-20.0-15.0-10.0-5.00.0
FTP HFET HTUF P&DCummins
P&D
%C
han
ge in
CO
2
CO2 Emissions Reduction With 17.5k GVWFarmed Trees Ethanol Pathway
Diesel Gasoline
HD Natural Gas - Cycle Efficiency Progression
2010
Norm
aliz
ed B
TE
0
20152013 2017
Production Natural Gas
-2-4
-6-8
-10
-12
-14
-16
42
68
14%
2016
Time
2014
CWI Optional Near Zero Product Line
8.9L
Spark Ignited, SEGR, TWC
Peak Rating: 320 hp
1000 lb-ft torque
66,000 lb. GVW
Refuse/Transit/Regional P&D
Truck/Mixers
NZ Available Now
6.7L
Spark Ignited, SEGR, TWC
Peak Rating: 260 hp
660 lb-ft torque
33,000 lb. GVW
School bus/Shuttle
bus/Sweeper/Yard spotter
0.1 g/bhp NOx Available Now
11.9L
Spark Ignited, SEGR, TWC
Peak Rating: 400 hp
1450 lb-ft torque
80,000 lb. GVW
Regional Haul
Truck/Tractor/Refuse
NZ Available Q1 2018
18
Conventional
Powertrain
Micro Hybrid
Powertrain
IC Engine Prime Mover Powertrain Architectures
Technology Leadership for Electrification
Generator
Traction
Energy storageBattery Management Systems
Cell Materials &Construction
Thermal & Structural Design
Life Prediction
Standards & Regulations
Reuse and Recycling
Power electronicsIGBT & WBG Devices
Filters
Controls
Scalable Platforms
Engines/Prime MoversDownsizing
Alternate Fuels
Electrical Integration
System integrationVehicle Control
Application Modeling
Functional Safety
Infrastructure Communications
Rotating electricsElectromagnetic Design
Vehicle and/or engine integration
Low cost manufacturing
20
Mild Hybrid
Powertrain
IC Engine Prime Mover Powertrain Architectures
Electric Motor Prime Mover Vehicle
Powertrain Architectures
Purolator
BEV
Program
Quebec
PHEV
Program
DOE PHEV
ProgramCERC
Program
SuperTruck 2
Program
NA & EU NA & EU NA & EU NA & EU NA
Class 4
P&D
Class 7 & 8
Bus
Class 6 P&D Class 5 P&D Class 8 LH
xEV
(BEV)
xEV (REEV) xEV (REEV) xEV (REEV) Mild Hybrid
SAE
J1772
SAE J3105 (WIP)
SAE J1772 SAE J2954(WIP) SAE J1772
- ISB 4.5L
Diesel
ISB 4.5L
DieselISF 2.8L SI -
62 kWHr 50 kWHr LTO
110 kWHr
NMC
110 kWHr
NMC
75–110 kWHr NMC 5 kWHr (48V)
2017 2018 2018 2020 2021
2 year 3 years 3 years 5 years 5 years
TM4 /
Purolator
STL / TM4 /
IVI
PACCAR /
OSU / ANL /
NREL
FCCC / ANL / OSU /
Purdue / ORNL
Peterbuilt / Eaton /
ORNL / NREL
Region
Market
Architecture
Charging
Gen Set
ESS Energy
Program
Demos
Partners*Estimates
Current Electrification Systems Projects
Future Powertrain Systems
Connected Systems
Powertrain
Powertrain Integration
Energy Diversityelectrification,
natural gas, gasoline
Bio - Diesel Gasoline ElectricDiesel - Hybrid
Clean Diesel Natural Gas Renewables
Intelligent
Transportation
System
Safety