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Advances in turbomachinery aero-thermo-mechanical design - softcover - VKI LS 2007-02

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VKI LS 2007-02, Advances in turbomachinery aero-thermo-mechanical design, ISBN 978-2-930389-71-0

Available in softcover only.

Advances in turbomachinery aero-thermo-mechanical design

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Advances in turbomachinery aero-thermo-mechanical design
Edited by G. Paniagua, R.B. Rivir
November 27-30, 2006 - Hosted by the Wright patterson Air Force base at the Wright State University, USA

The present multidisciplinary Lecture Series notes address the current state of the art in the design and analysis of axial Turbomachinery components. The proceedings are aimed at Turbomachinery designers, as well as experimental and CFD aero-thermal scientists. Both aerodynamic, heat transfer and mechanical concepts are developed by authors coming from industry, governmental and research agencies and universities.

An introductory part discusses the current trends in engine research. The next course note explains the successive steps of the aero-design of high-pressure turbines. Future improvements in the performance of turbine based propulsion largely depend on our understanding of unsteady flows. In view of decreasing weight and costs, current turbomachinery designs tend to increase the stage loading and to shorten the distance between blade rows. Several consecutive courses are dedicated to unsteady effects in HP turbines, LP turbines and compressors. Notes on forced response address the impact of the excitation on blade and disk vibrations. Current practice of aeromechanical design are presented and illustrated with practical examples in compressors and turbines.

Cooling techniques are crucial to guarantee the life of the HP blades. A special note addresses general design issues and types of calculations used in cooling channels. Turbine tip clearance improvement, in spite of known challenges, continues to present one of the most powerful means for enhancement of gas turbine engine performance. The experimental and numerical study of various tip configurations address as well. Emphasis is then put on tip heat transfer and cooling, looking among other subjects to design aspects and methodologies.

Finally specific notes are given on advanced numerical methods using Large Eddy Simulations. Afterwards, applications to control the flow in turbines are presented. The current proceedings are an update of previously delivered courses at the von Karman Institute.

Table of contents
  • TAYLOR, M. - Rolls-Royce Aerospace, United Kingdom
    HP axial flow turbine aerodynamic design
  • PANIAGUA, G. & DÉNOS, R. - von Karman Institute for Fluid Dynamics, Belgium
    Unsteadyness in HP turbines
  • HODSON, H.P. & HOWELL, R.J. - Whittle Laboratory, United Kingdom & Sheffield University, United Kingdom
    The role of transition in high lift low pressure turbines
  • TAN, C.S. – MIT, USA
    Unsteady flows in compressors
  • SEINTURIER, E. – Turbomeca, France
    Forced response computation for bladed disks industrial practices and advanced methods
  • DAILEY, G. - Rolls-Royce PLC, United Kingdom
    Aerothermal performance of internal cooling systems in turbomachines. 
    Design and calculation issues
  • BUNKER, R.S. - GE Global Research, NY, USA
    Blade tip cooling requirements and design
    All the presentations are available in pdf on a CD-ROM. The following notes are only available on the CD-ROM.
  • SHARMA, O. - Pratt & Whitney, USA
    Current state-of-the art in aero-thermal design & research
  • LELE, S.K.1; BHASKARAN, R.2; PEET, Y.2; XIONG, Z.2; NAGARAJAN, S.2 - 1Stanford University, USA & 2Wright-Patterson Air Force Base, USA
    Progress in progress in large eddy simulation for heat transfer large eddy simulation for heat transfer prediction in a gas turbine cascade prediction in a gas turbine cascade
  • VISBAL, M. - Air Force Research Laboratory, Wright-Patterson AFB, USA
    High-fidelity simulations of turbine flow control

Additional Information

Manufacturer von Karman Institute for Fluid Dynamics

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