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W?rtsil? EnergoFlow

In today’s increasingly competitive shipping environment, you need solutions that not only increase your efficiency, but that are also reliable and have a short payback period. Wärtsilä EnergoFlow is an innovative and cost-effective pre-swirl stator that increases fuel efficiency by up to 10% – without increasing maintenance needs.

Wärtsilä EnergoFlow creates optimal inflow for the propeller by guiding one side of the stern flow in the opposite direction to the propeller rotation, generating pre-swirl. The solution consists of multiple curved fins and a ring attached to the ship’s hull to prevent the power losses that typically occur in a propeller’s slipstream.

    Benefits
    • Improves fuel efficiency by up to 10%
    • Reduces NOx and CO2 emissions
    • Provides a quick return on investment – typically one to two years
    • Requires no additional maintenance as the solution has no moving parts 

    Technical info

    The standard scope of supply for a Wärtsilä EnergoFlow delivery includes:

    • System design, supply and class certification
    • Redesign and modification of the existing propeller
    • Installation drawings and instructions
    • Design interface with the shipyard or ship designer
    • Supervision by Wärtsilä technicians during installation
    • Modification of the existing propeller if a new, optimized propeller is not included in the scope of supply

    Optional scope of supply:

    • New propeller with design optimised for Wärtsilä EnergoFlow
    • Model EnergoFlow stator and/or model propeller for testing 
    Application

    Applicable for vessels with fixed pitch propellers

    Similar or related services

    Related products

    Articles

    W?rtsil? EnergoFlow boosts propulsion...

    W?rtsil? has launched its latest energy-saving device for ship engines, a next-generation pre-swirl stator...
    8 November 2017
    • In Detail article

    Contact us

    Please fill in the form, we aim to respond within 1-2 business days depending on the enquiry. For an existing installation, provide all necessary details to identify the installation and the equipment. Fields indicated with an asterisk (*) are required. 

    Find your local Wärtsilä office here

    ? 2021 W?rtsil?
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