Replaced EGR Additional EGR EGR 0% EGR 0% EGR 10% EGR 10% EGR 20% EGR 20% EGR 30% EGR 30% Fresh air Exhaust gas Fresh air Exhaust gas
EGR Valve EGR Valve EGR Cooler Compressor Turbine Intercooler EGR Valve EGR Pump
8 2 Intake Manifold 1 Engine 5 3 Exhaust Manifold 4 6 7
Intake Manifold DAQ board Control board Engine Exhaust Manifold
1.0 Pressure (EX-IN) 0.8 0.6 bar 0.4 0.2 ex. (bar) TC (bar) 0.0 800 1000 1200 1400 1600 1800 2000 RPM
D F E A B C
1.0 Pressure (EX-Venturi) 0.8 0.6 bar 0.4 0.2 ex. (bar) venturi (bar) 0.0 800 1000 1200 1400 1600 1800 2000 RPM
Control board MV 3 MV 2 MV 1 GND MV 1 MV 2 MV 3 Port 49 Port 52 Port 17 Port 18 GND
Engine DAQ board RPM(voltage signal) Load(voltage signal) EGR solenoid On/Off (signal) EGR valve control board RPM(data) Load(data) EGR solenoid On/Off (data) EGR solenoid On/Off (voltage) PC RPM Load Compare Valve on/off Map data (for EGR valve control) EGR system EGR ratio
160 140 120 100 kgf-m 80 60 40 20 Base Step1 Step3 0 800 1000 1200 1400 1600 1800 2000 rpm
25 20 Base EGR 15 10 5 0 800 1000 1200 1400 1600 1800 2000
500 400 g/h 300 200 Base Step 3 Step 1 100 0 800 1000 1200 1400 1600 1800 2000 rpm
400 300 g/h 200 100 Base Step 3 Step 1 0 800 1000 1200 1400 1600 1800 2000 rpm 300 g/h 200 Base Step 3 Step 1 100 0 800 1000 1200 1400 1600 1800 2000 rpm
200 g/h 100 Base Step 3 Step 1 0 800 1000 1200 1400 1600 1800 2000 rpm 200 Base Step 3 Step 1 g/h 100 0 800 1000 1200 1400 1600 1800 2000 rpm
100 Base Step 3 Step 1 g/h 0 800 1000 1200 1400 1600 1800 2000 rpm
g/h 900 800 700 600 500 400 300 200 100 Base Step 3 Step 1 0 800 1000 1200 1400 1600 1800 2000 rpm 300 200 Base Step 3 Step 1 g/h 100 0 800 1000 1200 1400 1600 1800 2000 rpm
200 Base Step 3 Step 1 g/h 100 0 800 1000 1200 1400 1600 1800 2000 rpm
100 80 Base Step 3 Step 1 60 g/h 40 20 0 800 1000 1200 1400 1600 1800 2000 rpm
80 60 Base Step 3 Step 1 g/h 40 20 0 800 1000 1200 1400 1600 1800 2000 rpm 40 30 Base Step 3 Step 1 g/h 20 10 0 800 1000 1200 1400 1600 1800 2000 rpm
40 30 Base Step 3 Step 1 g/h 20 10 0 800 1000 1200 1400 1600 1800 2000 rpm 40 30 Base Step 3 Step 1 g/h 20 10 0 800 1000 1200 1400 1600 1800 2000 rpm
40 30 Base Step 3 Step 1 g/h 20 10 0 800 1000 1200 1400 1600 1800 2000 rpm
20 15 Base Step 3 Step 1 g/h 10 5 0 800 1000 1200 1400 1600 1800 2000 rpm
10 8 Base Step 3 Step 1 g/h 5 3 0 800 1000 1200 1400 1600 1800 2000 rpm 8 6 Base Step 3 Step 1 g/h 4 2 0 800 1000 1200 1400 1600 1800 2000 rpm
10 8 Base Step 3 Step 1 6 g/h 4 2 0 800 1000 1200 1400 1600 1800 2000 rpm 10 8 6 Base Step 3 Step 1 g/h 4 2 0 800 1000 1200 1400 1600 1800 2000 rpm
10 8 6 Base Step 3 Step 1 g/h 4 2 0 800 1000 1200 1400 1600 1800 2000 rpm
100 90 80 70 60 Load 50 40 30 20 10 61.1 64.4 102.1 203.1 110.6 20.1 47.4 156.9 0 800 1000 1200 1400 1600 1800 2000 rpm 74.7 88.4 295.6 249.4 33.7 Base NOx (g/h) Step 3 NOx (g/h)
100 90 Load 80 70 308.9 143.4 180.3 106.5 388.5 229.3 149.6 291.1 69.5 328.1 254.2 217.3 Base PM(g/h) 60 800 1000 1200 1400 1600 1800 2000 rpm Step 3 PM(g/h)
100 EGR valve Step 0 (without EGR) 80 EGR valve Step 1 60 Load EGR valve Step 3 40 20 0 800 1000 1200 1400 1600 1800 2000 RPM
Load 100 90 80 70 60 50 40 30 20 10 64.4 203.1 110.6 156.9 295.6 249.4 0 800 1000 1200 1400 1600 1800 2000 rpm Load 100 90 80 70 60 50 40 30 20 10 96.5 28.9 51.5 74.0 186.6 119.0 254.2 0 800 1000 1200 1400 1600 1800 2000 rpm
Load 100 90 80 106.5 328.1 291.1 143.4 180.3 69.5 254.2 217.3 70 60 800 1000 1200 1400 1600 1800 2000 rpm 100 90 314.4 352.5390.6 276.4 314.4 276.4 238.3 352.5 Load 80 200.3 162.2 70 124.1 60 800 1000 1200 1400 1600 1800 2000 rpm
4 3.5 g/kw-h 3 2.5 2 1.5 Base Optimized 1 0.5 0 CO HC Nox PM