A Study of the Compressible Flow Through a Diffusing S-Duct

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722911621
Total Pages : 110 pages
Book Rating : 4.9/5 (116 download)

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Book Synopsis A Study of the Compressible Flow Through a Diffusing S-Duct by : National Aeronautics and Space Administration (NASA)

Download or read book A Study of the Compressible Flow Through a Diffusing S-Duct written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Benchmark aerodynamic data are presented for compressible flow through a representative S-duct configuration. A numerical prediction of the S-duct flow field, obtained from a subsonic parabolized Navier-Stokes algorithm, is also shown. The experimental and numerical results are compared. Measurements of the three-dimensional velocity field, total pressures, and static pressures were obtained at five cross-sectional planes. Aerodynamic data were gathered with calibrated pneumatic probes. Surface static pressure and surface flow visualization data were also acquired. All reported tests were conducted with an inlet centerline Mach number of 0.6. The Reynolds number, based on the inlet centerline velocity and duct inlet diameter, was 2.6 x 10(exp 6). Thin inlet turbulent boundary layers existed. The collected data should be beneficial to aircraft inlet designers and the measurements are suitable for the validation of computational codes. The results show that a region of streamwise flow separation occurred within the duct. Details about the separated flow region, including mechanisms which drive this complicated flow phenomenon, are discussed. Results also indicate that the duct curvature induces strong pressure driven secondary flows. The cross flows evolve into counter-rotating vortices. These vortices convect low momentum fluid of the boundary layer toward the center of the duct, degrading both the uniformity and magnitude of the total pressure profile. Wellborn, Steven R. and Okiishi, Theodore H. and Reichert, Bruce A. Glenn Research Center COMPRESSIBLE FLOW; COMPUTATIONAL FLUID DYNAMICS; DUCTED FLOW; FLOW DISTRIBUTION; NAVIER-STOKES EQUATION; PRESSURE DISTRIBUTION; SUBSONIC FLOW; THREE DIMENSIONAL MOTION; VELOCITY DISTRIBUTION; WIND TUNNEL TESTS; BOUNDARY LAYER SEPARATION; CROSS FLOW; FLOW VISUALIZATION; INLET FLOW; REYNOLDS NUMBER; STAGNATION PRESSURE; STATIC PRESSURE; TURBULENT BOUNDARY LAYER; VORTICES...

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 704 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 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Study of Compressible Flow Through a Rectangular-to-semiannular Transition Duct

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Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Study of Compressible Flow Through a Rectangular-to-semiannular Transition Duct by : Jeffry Foster

Download or read book Study of Compressible Flow Through a Rectangular-to-semiannular Transition Duct written by Jeffry Foster and published by . This book was released on 1995 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Study of Compressible Flow Through a Rectangular-to-semiannular Transition Duct

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ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Study of Compressible Flow Through a Rectangular-to-semiannular Transition Duct by :

Download or read book Study of Compressible Flow Through a Rectangular-to-semiannular Transition Duct written by and published by . This book was released on 1995 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:

New Results in Numerical and Experimental Fluid Mechanics XI

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Publisher : Springer
ISBN 13 : 3319645196
Total Pages : 735 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis New Results in Numerical and Experimental Fluid Mechanics XI by : Andreas Dillmann

Download or read book New Results in Numerical and Experimental Fluid Mechanics XI written by Andreas Dillmann and published by Springer. This book was released on 2017-10-29 with total page 735 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers contributions to the 20th biannual symposium of the German Aerospace Aerodynamics Association (STAB) and the German Society for Aeronautics and Astronautics (DGLR). The individual chapters reflect ongoing research conducted by the STAB members in the field of numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications, and cover both nationally and EC-funded projects. Special emphasis is given to collaborative research projects conducted by German scientists and engineers from universities, research-establishments and industries. By addressing a number of cutting-edge applications, together with the relevant physical and mathematics fundamentals, the book provides readers with a comprehensive overview of the current research work in the field. Though the book’s primary emphasis is on the aerospace context, it also addresses further important applications, e.g. in ground transportation and energy.

Advances in Sustainable Aviation

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Publisher : Springer
ISBN 13 : 3319671340
Total Pages : 289 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Advances in Sustainable Aviation by : Tahir Hikmet Karakoç

Download or read book Advances in Sustainable Aviation written by Tahir Hikmet Karakoç and published by Springer. This book was released on 2017-11-08 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides different engineering, management, economic solutions and methodologies regarding sustainable aviation, giving readers a great sense of how sustainable aviation works at the “systems” level. The aviation industry is one of the fastest growing in the world and can make a positive contribution to sustainability. This book presents environmental policies and their application to the aviation industry and evaluates solutions provided to address pollution. Chapters discuss novel technologies that the aviation industry can apply to reduce its environmental impact and become more energy efficient.

Applied Mechanics Reviews

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ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Technical Memorandum

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ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (319 download)

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Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalogue, United States Public Documents

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ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Monthly Catalog of United States Government Publications by :

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Unsteady Computational Fluid Dynamics in Aeronautics

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Publisher : Springer Science & Business Media
ISBN 13 : 9400770499
Total Pages : 432 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Unsteady Computational Fluid Dynamics in Aeronautics by : P.G. Tucker

Download or read book Unsteady Computational Fluid Dynamics in Aeronautics written by P.G. Tucker and published by Springer Science & Business Media. This book was released on 2013-08-30 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of Large Eddy Simulation (LES) and hybrids is a vibrant research area. This book runs through all the potential unsteady modelling fidelity ranges, from low-order to LES. The latter is probably the highest fidelity for practical aerospace systems modelling. Cutting edge new frontiers are defined. One example of a pressing environmental concern is noise. For the accurate prediction of this, unsteady modelling is needed. Hence computational aeroacoustics is explored. It is also emerging that there is a critical need for coupled simulations. Hence, this area is also considered and the tensions of utilizing such simulations with the already expensive LES. This work has relevance to the general field of CFD and LES and to a wide variety of non-aerospace aerodynamic systems (e.g. cars, submarines, ships, electronics, buildings). Topics treated include unsteady flow techniques; LES and hybrids; general numerical methods; computational aeroacoustics; computational aeroelasticity; coupled simulations and turbulence and its modelling (LES, RANS, transition, VLES, URANS). The volume concludes by pointing forward to future horizons and in particular the industrial use of LES. The writing style is accessible and useful to both academics and industrial practitioners. From the reviews: "Tucker's volume provides a very welcome, concise discussion of current capabilities for simulating and modellng unsteady aerodynamic flows. It covers the various pos sible numerical techniques in good, clear detail and presents a very wide range of practical applications; beautifully illustrated in many cases. This book thus provides a valuable text for practicing engineers, a rich source of background information for students and those new to this area of Research & Development, and an excellent state-of-the-art review for others. A great achievement." Mark Savill FHEA, FRAeS, C.Eng, Professor of Computational Aerodynamics Design & Head of Power & Propulsion Sciences, Department of Power & Propulsion, School of Engineering, Cranfield University, Bedfordshire, U.K. "This is a very useful book with a wide coverage of many aspects in unsteady aerodynamics method development and applications for internal and external flows." L. He, Rolls-Royce/RAEng Chair of Computational Aerothermal Engineering, Oxford University, U.K. "This comprehensive book ranges from classical concepts in both numerical methods and turbulence modelling approaches for the beginner to latest state-of-the-art for the advanced practitioner and constitutes an extremely valuable contribution to the specific Computational Fluid Dynamics literature in Aeronautics. Student and expert alike will benefit greatly by reading it from cover to cover." Sébastien Deck, Onera, Meudon, France

31st Aerospace Sciences Meeting and Exhibit: 93-0003 - 93-0049

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ISBN 13 :
Total Pages : 618 pages
Book Rating : 4.0/5 ( download)

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Download or read book 31st Aerospace Sciences Meeting and Exhibit: 93-0003 - 93-0049 written by and published by . This book was released on 1993 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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ISBN 13 :
Total Pages : 974 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 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Three-dimensional Compressible Turbulent Computations for a Diffusing S-duct

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ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Three-dimensional Compressible Turbulent Computations for a Diffusing S-duct by : C. F. Smith

Download or read book Three-dimensional Compressible Turbulent Computations for a Diffusing S-duct written by C. F. Smith and published by . This book was released on 1992 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography of Lewis Research Center Technical Publications Announced in 1992

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ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.:/5 (317 download)

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Download or read book Bibliography of Lewis Research Center Technical Publications Announced in 1992 written by and published by . This book was released on 1993 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aeronautical Engineering

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ISBN 13 :
Total Pages : 712 pages
Book Rating : 4.F/5 ( download)

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Download or read book Aeronautical Engineering written by and published by . This book was released on 1993 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)

New Trends in Fluid Mechanics Research

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Publisher : Springer Science & Business Media
ISBN 13 : 3540759956
Total Pages : 764 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis New Trends in Fluid Mechanics Research by : F. G. Zhuang

Download or read book New Trends in Fluid Mechanics Research written by F. G. Zhuang and published by Springer Science & Business Media. This book was released on 2009-04-24 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the proceedings of the Fifth International Conference on Fluid Mechanics (ICFM-V), the primary forum for the presentation of technological advances and research results in the fields of theoretical, experimental, and computational Fluid Mechanics. Topics include: flow instability and turbulence, aerodynamics and gas dynamics, industrial and environmental fluid mechanics, biofluid mechanics, geophysical fluid mechanics, plasma and magneto-hydrodynamics, and others.