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   ORC technology to use waste heat in MUs  evaluated  
The waste energy produced by under-floor traction equipment in MU stock may be used for comfort functions. While the use of waste heat by means of heat exchangers is limited to heating, advanced technology based on the Organic Rankine Cycle (ORC) allows for the production of electric power from waste heat and thus for the use of waste energy for cooling or lighting purposes.
Technology field: Optimisation of comfort functions
close main section General information
  open sub-section Description
close main section General criteria
  open sub-section Status of development: research & experiments
  Time horizon for broad application: 5 - 10 years
  Expected technological development: highly dynamic
  Benefits (other than environmental): none
  Barriers: high
  Applicability for railway segments: high
    Type of traction:  electric - DC, electric - AC, diesel
    Type of transportation:  passenger - main lines, passenger - high speed, passenger - regional lines, passenger - suburban lines
    Grade of diffusion into railway markets:
  Diffusion into relevant segment of fleet: 0 %
  Share of newly purchased stock: 0 %
  Market potential (railways): highly uncertain
close main section Environmental criteria
  open sub-section Impacts on energy efficiency:
  Energy efficiency potential for single vehicle: 2 - 5%
  Energy efficiency potential throughout fleet: 1 - 2%
  Other environmental impacts: ambivalent
close main section Economic criteria
  open sub-section Vehicle - fix costs: high
  Vehicle - running costs: significant reduction
  Infrastructure - fix costs: none
  Infrastructure - running costs: unchanged
  Scale effects: high
  Amortisation: > 5 years
close main section Application outside railway sector
  open sub-section Status of development outside railway sector: in use
  Time horizon for broad application outside railway sector: in 5 - 10 years
  Expected technological development outside railway sector: highly dynamic
  Market potential outside railway sector: medium
close main section Overall rating
  open sub-section Overall potential: interesting
  Time horizon: long-term
References / Links:  europa.eu.int
Attachments:
Related projects:
Contact persons:
 date created: 2002-10-09
 
 
© UIC - International Union of Railways 2003
 
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