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Wärtsilä and ABB Join To Develop Emissions Technology

Posted on April 20, 2010

Wärtsilä and ABB Turbo Systems are co-operating in a joint development program for two-stage turbocharging on large diesel engines with the aim of reducing fuel consumption and emissions.

The application of two-stage turbocharging technology on Wärtsilä diesel engines has been developed through close co-operation between Wärtsilä and ABB Turbo Systems. In this program, Wärtsilä is focusing on developing advanced engine technology for the turbocharger, and ABB Turbo Systems is delivering the turbocharging technology with defined performance in terms of airflow, pressure ratios and efficiency.

In the new engine design, two turbochargers are arranged in series to generate increased air pressure, airflow and a superior turbocharging effect. This results in an efficiency rating of up to 76%. The increased air pressure, combined with the advanced engine technology, was engineered to improve the engine output and power density by up to 10%. At the same time, both fuel consumption and CO2 emissions are reduced, said ABB.

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