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   Bogie fairings  evaluated  
In most trains the bogie area is uncovered up to the height of the wheel. In high speed trains, bogie covers may substantially reduce air resistance.
Technology field: Aerodynamics and friction
close main section General information
  open sub-section Description
close main section General criteria
  open sub-section Status of development: test series
  Time horizon for broad application: 5 - 10 years
  Expected technological development: dynamic
  Benefits (other than environmental): small
  Barriers: low
  Applicability for railway segments: medium
    Type of traction:  electric - DC, electric - AC, diesel
    Type of transportation:  passenger - main lines, passenger - high speed
    Grade of diffusion into railway markets:
  Diffusion into relevant segment of fleet: < 5%
  Share of newly purchased stock: < 20%
  Market potential (railways): medium
close main section Environmental criteria
  open sub-section Impacts on energy efficiency:
  Energy efficiency potential for single vehicle: 5 - 10%
  Energy efficiency potential throughout fleet: 1 - 2%
  Other environmental impacts: positive
close main section Economic criteria
  open sub-section Vehicle - fix costs: low
  Vehicle - running costs: significant reduction
  Infrastructure - fix costs: none
  Infrastructure - running costs: unchanged
  Scale effects: medium
  Amortisation: (no data)
no data available Application outside railway sector (this technology is railway specific)
close main section Overall rating
  open sub-section Overall potential: very promising
  Time horizon: mid-term
References / Links:  DB AG 1999;  Mancini et al. 2001;  Schulte-Werning et al. 1998
Attachments:
Related projects:  High-speed co-operation project;  Bogie fairings
Contact persons:
 date created: 2002-10-09
 
 
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