PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 1Frankfurt 09-11-2009

PEUGEOT MOTOCYCLESPerformance on supercharged engineaccording to the compressor technology

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 2

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 3

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 4

Roots type VS centrifugal compressor

• Current solution • Research solution

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 5

• Roots type:– Compressor outlet temperature

Limits / Advantages

Over-temperature area

150°C

• Centrifugal type:– Maximum speed : 330 kRPM

Over-speed area

High peak efficiency

Surge area

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 6

• Model:

Supercharged engine 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 7

Compressor ratio variation

Compressor Ratio

speedengine

speedCompressorRatio

=

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 8

Roots type compressor

1.21.21.21.21.11.11.11.11.01.01.01.00.90.90.90.90.80.80.80.80.7 0.7 0.7 0.7

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 9

Centrifugal type compressor

5252525245454545393939393232323226262626

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 10

Compressor operating points

PEUGEOT MOTOCYCLES – November 9th 2009 – Performance on supercharged engine according to compressor technology -Page 11

Conclusion

Best CentrifRatio = 32

Best RootsRatio = 0.9