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PEUGEOT MOTOCYCLES
PEUGEOT MOTOCYCLES Performance on supercharged engine according to the compressor technology PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology FrankfurtPage 09-11-2009 1 Content • Context • Presentation of the compressor – Limits – Advantages – Simulation results • Conclusion PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 2 Context • French driving licence type A1 – Max power: 15HP – Max engine displacement: 125cm3 • Degrees of freedom – Naturally aspirated or supercharged engine – Maximum RPM – CVT or Gearbox ☺ Supercharged engine ☺ Wide range of using RPM ☺ Lower noise ☺ BMEP PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 3 Roots type VS centrifugal compressor • Current solution • Research solution PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 4 Limits / Advantages • Roots type: • Centrifugal type: – Compressor outlet temperature – Maximum speed : 330 kRPM Surge area 150°C High peak efficiency PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 5 Over-speed area Over-temperature area Supercharged engine model • Model: Compressor Compressor power transmission Compressor regulation Semi-predictive heat exchanger model Exhaust line PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 6 Compressor ratio variation Compressor Ratio Compressor speed Ratio = engine speed PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 7 Roots type compressor 1.2 1.1 1.0 0.9 0.8 0.7 PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 8 Centrifugal type compressor 52 45 39 32 26 PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 9 Compressor operating points PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 10 Conclusion Best Centrif Ratio = 32 Best Roots Ratio = 0.9 PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology Page 11