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   Streamlining of train sides and underfloor areas  evaluated  
A great part of the air resistance is due to surface friction along the train sides and roofs, and to the air drag of the underfloor equipment. There is some potential for improvement by streamlining the outer shell, optimising coach transition areas and underskirting.
Technology field: Aerodynamics and friction
open main section General information
close main section General criteria
  open sub-section Status of development: in use
  Time horizon for broad application: not applicable
  Expected technological development: basically exploited
  Benefits (other than environmental): none
  Barriers: (no data)
  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: not applicable
  Share of newly purchased stock: not applicable
  Market potential (railways): not applicable
open main section Environmental criteria
open main section Economic criteria
no data available Application outside railway sector (this technology is railway specific)
open main section Overall rating
References / Links:  Euro Transport Consult 1997
Attachments:
Related projects:
Contact persons:
 date created: 2002-10-09
 
 
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