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Streamlining of train sides and underfloor areas |
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evaluated |
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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.
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Technology field: Aerodynamics and friction
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General information
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General criteria
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Environmental criteria
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Impacts on energy efficiency:
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Energy efficiency potential for single vehicle: 2 - 5% |
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Energy efficiency potential throughout fleet: < 1% |
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Other environmental impacts: neutral |
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Economic criteria
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Application outside railway sector (this technology is railway specific)
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Overall rating
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date created: 2002-10-09 |
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© UIC - International Union of Railways 2003 |
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