Computation of Laminar and Turbulent Flow in Curved Ducts, Channels, and Pipes Using the Navier-Stokes Equations

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Total Pages : 84 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Computation of Laminar and Turbulent Flow in Curved Ducts, Channels, and Pipes Using the Navier-Stokes Equations by : R. C. Buggeln

Download or read book Computation of Laminar and Turbulent Flow in Curved Ducts, Channels, and Pipes Using the Navier-Stokes Equations written by R. C. Buggeln and published by . This book was released on 1980 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Both laminar and turbulent flows in strongly curved ducts, channels, and pipes are studied by numerical methods. The study concentrates on the curved square-duct geometry and flow conditions for which detailed measurements have been obtained recently by Taylor, Whitelaw, and Yianneskis. The solution methodology encompasses solution of the compressible ensemble-averaged Navier-Stokes equations at low Mach number using a split linearized block implicit (LBI) scheme, and rapid convergence on the order of 80 noniterative time steps is obtained. The treatment of turbulent flows includes resolution of the viscous sublayer region. A series of solutions for both laminar and turbulent flow and for both two- and three-dimensional geometries of the same curvature are presented. The accuracy of these solutions is explored by mesh refinement and by comparison with experiment. In summary, good qualitative and reasonable quantitative agreement between solution and experiment is obtained. Collectively, this sequence of results serves to clarify the physical structure of these flows and hence how grid selection procedures might be adjusted to improve the numerical accuracy and experimental agreement. For a three-dimensional flow of considerable complexity, the relatively good agreement with experiment obtained for the turbulent flow case despite a coarse grid must be regarded as encouraging. (Author).

Computation of Laminar and Turbulent Flow in 90-Degree Square-Duct and Pipe Bends Using the Navier-Stokes Equations

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Total Pages : 67 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Computation of Laminar and Turbulent Flow in 90-Degree Square-Duct and Pipe Bends Using the Navier-Stokes Equations by :

Download or read book Computation of Laminar and Turbulent Flow in 90-Degree Square-Duct and Pipe Bends Using the Navier-Stokes Equations written by and published by . This book was released on 1982 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three-dimensional laminar and turbulent flow within 90-degree bends of strong curvature and both circular and square cross section are studied by numerical solution of the compressible Reynolds-averaged Navier-Stokes equations. The governing equations are expressed in a body-fitted orthogonal coordinate system and then solved using a consistently-split linearized block implicit (LBI) algorithm. The turbulence model and computational mesh provides for resolution of the viscous sublayer and employs an isotropic eddy viscosity based on solution of the turbulence kinetic energy equation and a specified length scale. Six different flow cases are considered, and the developing flow structure and its dependence on geometric and flow parameters is examined. The computed results are compared with available experimental measurements, and the sequence of comparisons helps to establish the accuracy with which these flows can be predicted by the present method using moderately coarse grids (approx = 10,000 points).

Energy Research Abstracts

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ISBN 13 :
Total Pages : 806 pages
Book Rating : 4.3/5 (129 download)

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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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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:

Technical Abstract Bulletin

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ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.E/5 ( download)

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Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1981 with total page 230 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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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:

Complex Turbulent Flows: Comparison of computation with experiment, and computers' summary reports

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ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Complex Turbulent Flows: Comparison of computation with experiment, and computers' summary reports by : Stephen Jay Kline

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Paper

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Total Pages : 446 pages
Book Rating : 4.3/5 (91 download)

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Fundamentals of Fluid Mechanics

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Publisher : John Wiley & Sons
ISBN 13 : 9780471348566
Total Pages : 968 pages
Book Rating : 4.3/5 (485 download)

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Book Synopsis Fundamentals of Fluid Mechanics by : Joseph A. Schetz

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Government reports annual index

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ISBN 13 :
Total Pages : 1192 pages
Book Rating : 4.3/5 (129 download)

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Measurement and Calculation of Developing Turbulent Flow in a U-bend and Downstream Tangent of Square Cross-section

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ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Measurement and Calculation of Developing Turbulent Flow in a U-bend and Downstream Tangent of Square Cross-section by : Shengming Chang

Download or read book Measurement and Calculation of Developing Turbulent Flow in a U-bend and Downstream Tangent of Square Cross-section written by Shengming Chang and published by . This book was released on 1983 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:

R & D Abstracts

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ISBN 13 :
Total Pages : 924 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis R & D Abstracts by : Technology Reports Centre (Great Britain)

Download or read book R & D Abstracts written by Technology Reports Centre (Great Britain) and published by . This book was released on 1981 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 1496 pages
Book Rating : 4.:/5 (319 download)

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Physics Briefs

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ISBN 13 :
Total Pages : 996 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Physics Briefs written by and published by . This book was released on 1986 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ASME Technical Papers

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ISBN 13 :
Total Pages : 554 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 1984 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Flow in Curved Ducts of Varying Cross-section

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ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Flow in Curved Ducts of Varying Cross-section by : Fotis Sotiropoulos

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Investigation of Developing Laminar and Turbulent Flow in Curved Ducts

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ISBN 13 :
Total Pages : 696 pages
Book Rating : 4.:/5 (7 download)

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Book Synopsis Investigation of Developing Laminar and Turbulent Flow in Curved Ducts by : Michel Philippe Arnal

Download or read book Investigation of Developing Laminar and Turbulent Flow in Curved Ducts written by Michel Philippe Arnal and published by . This book was released on 1988 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: