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Design suggestion using flow alteration technology from aeronotics industry on commercial vehicles.
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-Reduce fuel consumption of commercial vehicles using tecnology
from aeronautics
Product Concept
Potential to reduce fuel consumption by 5-10% through base drag elimination on buses
Contributions to fuel consumption
Source: W H Hucho – Aerodynamics of road Vehicles
Old versus New Design
Source: W H Hucho – Aerodynamics of road Vehicles
Vehicles in EU
Antal bussar i EU
332
444484
520
0
100
200
300
400
500
600
1970 1980 1990 1999
år
* 1000
• 520 000 buses in EU 1999Source: www.europa.eu.int
Prognosis
• Roadtransportation will increase
Source: www.europa.eu.int
Cd Without Vortaflow
Predicted Cd With Vortaflow
Design Ideas
Design Ideas
Design Ideas
Added benefits
• Increased road safety by less– Soiling– Buffeting– Spray– Stability
• Environmental friendly company profile
