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CFD Aids Design of High Performance Turbocharger Compressors
Posted Wed February 16, 2011 @09:23AM
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Application Cummins Turbo Technologies, a leading designer and manufacturer of turbochargers for diesel and gas-derivative engines above 2.3 litres, recently applied TURBOdesign1 - 3D inverse design code - for the development of the next-generation of high performance centrifugal compressors for turbocharger applications.

A turbocharged diesel engine’s fuel consumption is directly influenced by the turbocharger efficiency through the engine’s pumping cycle work. The more efficient the turbomachinery, the lower the work done by the engine during the pumping cycle, resulting in better engine Brake Specific Fuel Consumption (BSFC).

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Compressor efficiency is one of the areas recently targeted by Cummins Turbo Technologies for improvements to enable engine manufacturers to meet strict emissions criteria and performance requirements.

Dr. Bahram Nikpour, of Cummins Turbo Technologies Ltd, comments: “This work confirms that in many turbocharger compressor applications higher performance is only possible by using 3D blade profiles. TURBOdesign1 provides the best means of rapidly designing 3D centrifugal compressor blades with superior performance.”

The case study highlights the current limitations of conventional design methods by comparing a state-of-the-art centrifugal compressor impeller against a new generation of fully 3D compressor wheels obtained by the inverse design methodology, which deliver up to 3 points higher efficiency over the whole operating range.

The full case study available on the ADT website: -turbocharger-centrifugal-compressor.

About Advanced Design Technology
Advanced Design Technology or ADT is a global leader in the development of advanced turbomachinery design methods, which help not only to shorten development time but will also improve the performance of turbomachinery components. ADT’s aim is to put the designers in direct control of the aerodynamic design and to shorten considerably the design time and time to market for a range of turbomachinery products. ADT’s clients, who represent some of the leading global players in the aerospace, automotive, power generation and marine fields, have achieved significant returns on investment in terms of reduction in design times, higher performance and ease of know-how transfer between different design teams and projects.

About Cummins Turbo Technologies
Cummins Turbo Technologies is a leading designer and manufacturer of turbochargers for diesel and gas-derivative engines above 2.3 litres. Headquartered in the UK with global manufacturing facilities in Brazil, China, Europe, India and USA along with dedicated technical centres in UK, China and USA, Cummins Turbo Technologies has over 2,000 employees globally.

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