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Turbines and Structures for Ultra-High Pressure Ratio Aero-Engines

[+] Author Affiliations
Anders Lundbladh, Richard Avellán, Stefan Forsman

GKN Aerospace Sweden AB, Trollhättan, Sweden

Ralf von der Bank

Rolls-Royce Deutschland Ltd, Blankenfelde-Mahlow, Germany

Stefan Donnerhack, Wolfgang Sturm, Joris Versluis

MTU Aero Engines AG, Munich, Germany

Anthony Rae, Mark Stokes

Rolls-Royce plc, Derby, UK

Oscar Caballero, Natalia Soldevilla

Industria de Turbo Propulsores S.A., Zamudio, Spain

Artur Ornat, Tomasz Mrugala, Lucjan Kraj

Pratt & Whitney Rzeszów S.A., Rzeszów, Poland

Sebastien Bourgois

Snecma SA, Moissy Cramayel, France

Paper No. GT2016-57307, pp. V001T01A025; 13 pages
  • ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition
  • Volume 1: Aircraft Engine; Fans and Blowers; Marine
  • Seoul, South Korea, June 13–17, 2016
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4968-2
  • Copyright © 2016 by ASME


This paper describes the research carried out in the European Commission co-funded project LEMCOTEC (Low Emission Core Engine Technology) on aerodynamics for turbines and structures for compressors, combustors and turbines. The aim is to significantly contribute to the reduction of the environmental footprint of aviation with regard to emissions from aero engines.

The LEMCOTEC turbine and structure technologies are directed primarily to act as enablers for higher thermal efficiency arising from increased overall pressure ratio. Thus the work is supporting increased operating temperatures, reduced core deformation, reduced cooling flows and increased performance to weight ratio, in addition to direct reduction of flow losses and associated component efficiency increases.

The article details the targets for performance improvements, the validation of the technologies and how they, together with LEMCOTEC’s improved technologies on compressors and combustors, relate to the goal of building ultra-high pressure ratio engines.

Copyright © 2016 by ASME



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