Fluid-structure Integrated Computational Methods for Turbomachinery Blade Flutter and Forced Response Predictions

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ISBN 13 : 9789171703507
Total Pages : 148 pages
Book Rating : 4.7/5 (35 download)

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Book Synopsis Fluid-structure Integrated Computational Methods for Turbomachinery Blade Flutter and Forced Response Predictions by : François Moyroud

Download or read book Fluid-structure Integrated Computational Methods for Turbomachinery Blade Flutter and Forced Response Predictions written by François Moyroud and published by . This book was released on 1998 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lightweight, high performance bladed-disks used in today's aeroengines must meet strict standards in terms of aeroelastic stability and resonant response characteristics. The research presented in this thesis is directed toward improved prediction and understanding of blade flutters and forced response problems in turbomachines. To address the blade flutter problem, two aeroelastic analysis methods are considered: the energy method (fluid-structure uncoupled approach) and the modal aeroelastic coupling scheme (fluid-structure coupled approach). The two methods have been implemented in the STRUFLO master code which is designed to provide fluid-structure interfaces for a library of structural and flow solvers. Especially tailored methods are used to couple or interface a wide range of structural and aerodynamic analyses. First, the modal aeroelastic coupling scheme is extended to deal with single blade, cyclic symmetric and full assembly modal analyses as weil as single and multiple blade passage unsteady aerodynamic analyses. Second, an interfacing grid technique is proposed to circumvent problems due to the presence of non-conforming fluid and structural grids at the interface. Finally, a grid-to-grid interpolation/extrapolation scheme is used to transfer blade mode shapes and blade surface unsteady pressures from the structural grid to the aerodynamic grid and vice versa. One structural characteristic of bladed-disks that can significantly impact bath on the aeroelastic stability and the resonant response is that of structural mistuning. With this respect, two reduction methods have been developed to perform full assembly modal analyses and forced response analyses. Various numerical applications are proposed to illustrate the applicability of the above mentioned methods including structural dynamic, aerodynamic and aeroelastic analyses of the NASA Rotor 67 unshrouded transonic fan, a shrouded transonic fan and a subsonic wide chard fan.

ASME Technical Papers

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ISBN 13 :
Total Pages : 498 pages
Book Rating : 4.0/5 ( download)

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Download or read book ASME Technical Papers written by and published by . This book was released on 2000 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Paper

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ISBN 13 :
Total Pages : 518 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Paper by :

Download or read book Paper written by and published by . This book was released on 2000 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances of CFD in Fluid Machinery Design

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Publisher : John Wiley & Sons
ISBN 13 : 9781860583537
Total Pages : 258 pages
Book Rating : 4.5/5 (835 download)

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Book Synopsis Advances of CFD in Fluid Machinery Design by : Robin Elder

Download or read book Advances of CFD in Fluid Machinery Design written by Robin Elder and published by John Wiley & Sons. This book was released on 2003-02-07 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past Computational Fluid Dynamics (CFD) was confined to large organisations capable of developing and supporting their own codes. But recently there has been a rapid increase in the availability of reasonably priced commercial codes, and many more industrial organisations are now able to routinely use CFD. Advances of CFD in Fluid Machinery Design provide the perfect opportunity to find out what industry is doing and this book addresses how CFD is now being increasingly used in the design process, rather than as a post-design analysis tool. COMPLETE CONTENTS Trends in industrial use of CFD Challenges and methodologies in the design of axial flow fans for high-bypass-ratio, gas turbine engines using steady and unsteady CFD A three-dimensional inverse method based on pressure loading for the design of turbomachinery blades Application of CFD to the design and analysis of axial and centrifugal fans and compressors The design and performance of a transonic flow deswirling system – an application of current CFD design techniques tested against model and full-scale experiments Recent developments in unsteady flow modelling for turbomachinery aeroelasticity Computational investigation of flow in casing treatments for stall delay in axial flow fans Use of CFD for the three-dimensional hydrodynamic design of vertical diffuser pumps Recommendations to designers for CFD pump impeller and diffuser simulations Three dimensional CFD – a possibility to analyse piston pump flow dynamics CFD analysis of screw compressor performance Prediction of aerothermal phenomena in high-speed discstator systems Use of CFD in the design of a shaft seal for high-performance turbomachinery Users and potential users, of CFD for the design of fluid machinery, managers, designers, and researchers working in the field of ‘industrial flows’, will all find Advances of CFD in Fluid Machinery Design a valuable volume discussing state-of-the-art developments in CFD.

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines

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Publisher : Springer Science & Business Media
ISBN 13 : 1402046057
Total Pages : 605 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines by : Kenneth C. Hall

Download or read book Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines written by Kenneth C. Hall and published by Springer Science & Business Media. This book was released on 2006-05-11 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a collection of technical papers that were presented at the 10th International Symposium on Unsteady Aerodynamics, Aeroacoustics, and Aeroelasticity of Turbomachines held September 8-11, 2003 at Duke University in Durham, North Carolina. The papers represent the latest in state of the art research in the areas of aeroacoustics, aerothermodynamics, computational methods, experimental testing related to flow instabilities, flutter, forced response, multistage, and rotor-stator effects for turbomachinery.

AIAA Journal

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ISBN 13 :
Total Pages : 1302 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis AIAA Journal by : American Institute of Aeronautics and Astronautics

Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2002 with total page 1302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines

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Publisher : Springer Science & Business Media
ISBN 13 : 9781402042676
Total Pages : 648 pages
Book Rating : 4.0/5 (426 download)

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Book Synopsis Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines by : Kenneth C. Hall

Download or read book Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines written by Kenneth C. Hall and published by Springer Science & Business Media. This book was released on 2006-03-08 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a collection of technical papers that were presented at the 10th International Symposium on Unsteady Aerodynamics, Aeroacoustics, and Aeroelasticity of Turbomachines held September 8-11, 2003 at Duke University in Durham, North Carolina. The papers represent the latest in state of the art research in the areas of aeroacoustics, aerothermodynamics, computational methods, experimental testing related to flow instabilities, flutter, forced response, multistage, and rotor-stator effects for turbomachinery.

A Review of Recent Aeroelastic Analysis Methods for Propulsion at NASA Lewis Research Center

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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis A Review of Recent Aeroelastic Analysis Methods for Propulsion at NASA Lewis Research Center by : T. S. R. Reddy

Download or read book A Review of Recent Aeroelastic Analysis Methods for Propulsion at NASA Lewis Research Center written by T. S. R. Reddy and published by . This book was released on 1993 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied mechanics reviews

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ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the ASME Turbo Expo ...

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ISBN 13 :
Total Pages : 826 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Proceedings of the ASME Turbo Expo ... written by and published by . This book was released on 2005 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of Turbomachinery

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ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.:/5 (318 download)

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Download or read book Journal of Turbomachinery written by and published by . This book was released on with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:

30th Aerospace Sciences Meeting and Exhibit: 92-0001 - 92-0030

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ISBN 13 :
Total Pages : 460 pages
Book Rating : 4.0/5 ( download)

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Download or read book 30th Aerospace Sciences Meeting and Exhibit: 92-0001 - 92-0030 written by and published by . This book was released on 1992 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Aeronautical Journal

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ISBN 13 :
Total Pages : 732 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Aeronautical Journal by :

Download or read book The Aeronautical Journal written by and published by . This book was released on 2001 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:

4th European Conference on Turbomachinery

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Publisher : S.G.E.
ISBN 13 :
Total Pages : 1100 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis 4th European Conference on Turbomachinery by : Gerard Bois

Download or read book 4th European Conference on Turbomachinery written by Gerard Bois and published by S.G.E.. This book was released on 2001 with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aeronautical Engineering

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ISBN 13 :
Total Pages : 538 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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ISBN 13 :
Total Pages : 1048 pages
Book Rating : 4.F/5 ( download)

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Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt: