Powertrain & Energy - January 25, 2012 - 1

Fast-response Emissions Analyzers • DPF Testing Systems Fast-response Emissions Analyzers • DPF Testing Systems

In-cylinder residuals In-cylinder residuals Cyclical AFR Cyclical AFR Cyclical EGR Cyclical EGR EGR distribution EGR distribution

Key development tools for transient test cycles (e.g. NEDC, FTP, NRTC) Key development tools for transient test cycles (e.g. NEDC, FTP, NRTC) Unique insights into engine behavior from fast response measurement data: Unique insights into engine behavior from fast response measurement data:

DPF Testing Systems DPF Testing Systems Cyclical NO Cyclical NOX X

Particle mass & number Particle mass & number GDI strategy GDI DPF/GPF efficiency DPF/GPF efficiency

Established in 1987, our products are used in 24 countries worldwide. used in 24 countries worldwide. Established in 1987, our products Our customers include vehicle OEMs, engineering consultants, universities and researchers. Our customers include vehicle OEMs, engineering consultants, universities and researchers.
Fast response instrument data of EGR system performance on a light duty diesel passenger car Fast response instrument data of EGR system performance on a light duty diesel passenger car
0 0
EGR Valve Drive Pressure EGR Valve Drive Pressure CO2 at at Intake Port 1 CO Intake Port 1 CO2 Post EGR Valve CO2 Post EGR Valve Average Speed (kph/2) Average Speed (kph/2)
2

2424

-800 -800
EGR valve closes, then re-opens during EGR valve closes, then re-opens during gear change gear change EGR delay EGR delay

16 16 12 12 8
Changes in CO2 concentration Changes in CO2 concentration between adjacent intake between adjacent intake events clearly resolved events clearly resolved

-1200 -1200 -1600 -1600 -2000 -2000

8

4

4

-2400 -2400 120 120

121 121

122 122

123 123

124 124

Time (s)

125 Time (s) 125

126 126

127 127

128 128

129 129

0 130 0 130

www.cambustion.com

CO2 (%) & Vehicle Speed (kph) / 4 CO2 (%) & Vehicle Speed (kph) / 4

EGR Valve Drive Pressure (mbar) EGR Valve Drive Pressure (mbar)

-400 -400

2020


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Powertrain & Energy - January 25, 2012

Table of Contents for the Digital Edition of Powertrain & Energy - January 25, 2012

Powertrain & Energy - January 25, 2012
Contents
Fueling the future
Tech Report
Alternative fuels heat up
New software model to help engine makers meet diesel soot standards
Ad Index
Resource Links
Powertrain & Energy - January 25, 2012 - Powertrain & Energy - January 25, 2012
Powertrain & Energy - January 25, 2012 - 1
Powertrain & Energy - January 25, 2012 - Contents
Powertrain & Energy - January 25, 2012 - Fueling the future
Powertrain & Energy - January 25, 2012 - Tech Report
Powertrain & Energy - January 25, 2012 - 5
Powertrain & Energy - January 25, 2012 - 6
Powertrain & Energy - January 25, 2012 - 7
Powertrain & Energy - January 25, 2012 - 8
Powertrain & Energy - January 25, 2012 - 9
Powertrain & Energy - January 25, 2012 - 10
Powertrain & Energy - January 25, 2012 - 11
Powertrain & Energy - January 25, 2012 - Alternative fuels heat up
Powertrain & Energy - January 25, 2012 - 13
Powertrain & Energy - January 25, 2012 - 14
Powertrain & Energy - January 25, 2012 - 15
Powertrain & Energy - January 25, 2012 - 16
Powertrain & Energy - January 25, 2012 - 17
Powertrain & Energy - January 25, 2012 - New software model to help engine makers meet diesel soot standards
Powertrain & Energy - January 25, 2012 - 19
Powertrain & Energy - January 25, 2012 - 20
Powertrain & Energy - January 25, 2012 - 21
Powertrain & Energy - January 25, 2012 - 22
Powertrain & Energy - January 25, 2012 - 23
Powertrain & Energy - January 25, 2012 - Resource Links
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