TEAM QUIETS 2014 SAE CSC DESIGN PRESENTATION
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Transcript of TEAM QUIETS 2014 SAE CSC DESIGN PRESENTATION
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TEAM QUIETS2014
SAE CSC DESIGN PRESENTATION
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Snowmobile Modifications Appeal to Snowmobile Enthusiasts Dealer’s Perspective Engine Control Strategy Emissions Control Noise Reduction Conclusion
Presentation content
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Snowmobile Modifications Plug and Play Harness
Turbo Charged Engine
Modified Exhaust System
Catalytic Converter
EGR System
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Appeal to Snowmobile Enthusiasts Poll results from the FCMQ (Fédération des
clubs de motoneigistes du Québec)
Reduction of irritating noise frequencies (namely 600, 700, 850 Hz)
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Appeal to Snowmobile EnthusiastsGood Fuel Economy 1.95 GPH at 45 MPH = 23 MPG (4900
rpm)600 Ace Etec 600 Ace Turbo
Displacement 600 cc 600 cc 600 cc
Stroke 4 Stroke 2 Stroke 4 Stroke
Hp 60 121 80
Fuel Consumption 26 mpg 21 mpg 23 mpg
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Appeal to Snowmobile Enthusiasts +19 hp for a total of 79 hp and 60 ft-lbs of torque
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Appeal to Snowmobile Enthusiasts (follow up)
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Dealer’s Perspective Bolt On System
Bolt on turbo and headers
Quick connect harness
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Engine Control Strategy Closed loop AFR control
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Engine Control Strategy (Follow up)
Lean burning combustion
Calculating SFC (g/kW-hr)
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Engine Control Strategy (Follow up)
0.98 1.00 1.02 1.04 1.06 1.08 1.10365.00
370.00
375.00
380.00
385.00
390.00
395.00
400.00
SFC (@ 4900 RPM)
SFC (4900 RPM)
Lambda
SFC
(g/k
W-h
)
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Emission Control Managing HC, CO and NOx emissions
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Emission Control (Follow up) Three way catalytic converter efficiency
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Emission Control (Follow up) EGR system development
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Emission Control (Follow up) EGR System Intergration
325037504500475052505500200220240260280300320340360380400
1520
2530
3540
TPS
NOx quantity without EGR valve
15 20 25 30
35 40 TPS
RPM
Qty
NO
x (p
pm)
NOx (ppm)
TPS (%)
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Emission Control (Follow up)
325037504500475052505500200220240260280300320340360380400
1520
2530
3540
TPS
NOx quantity with EGR valve activated
15 20 25 30 35
40 TPS
RPM
Qty
NO
x (p
pm)
NOx (ppm)
TPS (%)
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Emission Control (Follow up)
1 2 3 4 50
50
100
150
200
250
300
350
400
450
0
1
2
3
4
5
6
5 Mode Emissions Testing
HCNOxCO
Test Mode
HC
and
NO
x (p
pm)
CO
(%
)
Final EPA Score 190
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New exhaust system design
Noise Reduction
2013 2014
1
2
3
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Noise Reduction (Follow up)
Targeted frequencys: 600Hz 750Hz 800Hz
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Noise Reduction (Follow up)
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Track Acoustic Improvements
Direct Injection
Drive by Wire Throttle
Clutch and Transmission Upgrade
Conclusion and Future Improvements
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Thank You
Questions?