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Author : Bijan Mohammadi
Publisher : Elsevier Masson
ISBN 13 : 9782225843914
Total Pages : 194 pages
Book Rating : 4.8/5 (439 download)
Download or read book Analysis of the K-epsilon Turbulence Model written by Bijan Mohammadi and published by Elsevier Masson. This book was released on 1994 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. Mohammadi
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.3/5 (91 download)
Download or read book Analysis of the K-Epsilon Turbulence Model written by B. Mohammadi and published by . This book was released on 1994-09-06 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at applied mathematicians interested in the numerical simulation of turbulent flows. Centered around the k-&epsis; model, it also deals with other models such as one equation models, subgrid scale models and Reynolds Stress models. Presents the k-&epsis; method for turbulence in a language familiar to applied mathematicians, but has none of the technicalities of turbulence theory.
Author : Krishnendu Sinha
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (319 download)
Download or read book Analysis of the K-epsilon Turbulence Models for Simulation of Compressible Flows written by Krishnendu Sinha and published by . This book was released on 2001 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Farhad Raiszadeh
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (18 download)
Download or read book The Sensitivity Analysis in K-epsilon Turbulence Modeling Applied to Jet Flows written by Farhad Raiszadeh and published by . This book was released on 1984 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Navier-Stokes Cascade Analysis with the K-[epsilon] Turbulence Model PDF Online Free](https://books.google.com/books/content/images/frontcover/_VFhNwAACAAJ?fife=w200-h370)
Author : Jong-Shang Liu
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (163 download)
Download or read book Navier-Stokes Cascade Analysis with the K-[epsilon] Turbulence Model written by Jong-Shang Liu and published by . This book was released on 1987 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Rajaratnam
Publisher : Elsevier
ISBN 13 : 0080869963
Total Pages : 315 pages
Book Rating : 4.0/5 (88 download)
Download or read book Turbulent Jets written by N. Rajaratnam and published by Elsevier. This book was released on 1976-01-01 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent Jets
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781725098879
Total Pages : 38 pages
Book Rating : 4.0/5 (988 download)
Download or read book An Improved K-Epsilon Model for Near-Wall Turbulence and Comparison with Direct Numerical Simulation written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: An improved k-epsilon model for low Reynolds number turbulence near a wall is presented. The near-wall asymptotic behavior of the eddy viscosity and the pressure transport term in the turbulent kinetic energy equation is analyzed. Based on this analysis, a modified eddy viscosity model, having correct near-wall behavior, is suggested, and a model for the pressure transport term in the k-equation is proposed. In addition, a modeled dissipation rate equation is reformulated. Fully developed channel flows were used for model testing. The calculations using various k-epsilon models are compared with direct numerical simulations. The results show that the present k-epsilon model performs well in predicting the behavior of near-wall turbulence. Significant improvement over previous k-epsilon models is obtained. Shih, T. H. Glenn Research Center NASA-TM-103221, ICOMP-90-16, E-5635, NAS 1.15:103221 NASA ORDER C-99066-G; RTOP 505-62-21...
Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (317 download)
Download or read book Near-wall K-epsilon Turbulence Modeling written by and published by . This book was released on 1987 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tomás Chacón Rebollo
Publisher : Springer
ISBN 13 : 1493904558
Total Pages : 530 pages
Book Rating : 4.4/5 (939 download)
Download or read book Mathematical and Numerical Foundations of Turbulence Models and Applications written by Tomás Chacón Rebollo and published by Springer. This book was released on 2014-06-17 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: With applications to climate, technology, and industry, the modeling and numerical simulation of turbulent flows are rich with history and modern relevance. The complexity of the problems that arise in the study of turbulence requires tools from various scientific disciplines, including mathematics, physics, engineering and computer science. Authored by two experts in the area with a long history of collaboration, this monograph provides a current, detailed look at several turbulence models from both the theoretical and numerical perspectives. The k-epsilon, large-eddy simulation and other models are rigorously derived and their performance is analyzed using benchmark simulations for real-world turbulent flows. Mathematical and Numerical Foundations of Turbulence Models and Applications is an ideal reference for students in applied mathematics and engineering, as well as researchers in mathematical and numerical fluid dynamics. It is also a valuable resource for advanced graduate students in fluid dynamics, engineers, physical oceanographers, meteorologists and climatologists.
Author : Sal Rodriguez
Publisher : Springer Nature
ISBN 13 : 3030286916
Total Pages : 316 pages
Book Rating : 4.0/5 (32 download)
Download or read book Applied Computational Fluid Dynamics and Turbulence Modeling written by Sal Rodriguez and published by Springer Nature. This book was released on 2019-12-06 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique text provides engineering students and practicing professionals with a comprehensive set of practical, hands-on guidelines and dozens of step-by-step examples for performing state-of-the-art, reliable computational fluid dynamics (CFD) and turbulence modeling. Key CFD and turbulence programs are included as well. The text first reviews basic CFD theory, and then details advanced applied theories for estimating turbulence, including new algorithms created by the author. The book gives practical advice on selecting appropriate turbulence models and presents best CFD practices for modeling and generating reliable simulations. The author gathered and developed the book’s hundreds of tips, tricks, and examples over three decades of research and development at three national laboratories and at the University of New Mexico—many in print for the first time in this book. The book also places a strong emphasis on recent CFD and turbulence advancements found in the literature over the past five to 10 years. Readers can apply the author’s advice and insights whether using commercial or national laboratory software such as ANSYS Fluent, STAR-CCM, COMSOL, Flownex, SimScale, OpenFOAM, Fuego, KIVA, BIGHORN, or their own computational tools. Applied Computational Fluid Dynamics and Turbulence Modeling is a practical, complementary companion for academic CFD textbooks and senior project courses in mechanical, civil, chemical, and nuclear engineering; senior undergraduate and graduate CFD and turbulence modeling courses; and for professionals developing commercial and research applications.
![Download Status Report on K-[epsilon] Turbulence Modeling in COMMIX-1AR/P PDF Online Free](https://books.google.com/books/content/images/frontcover/6Sey7WSplNoC?fife=w200-h370)
Author : P. L. Garner
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)
Download or read book Status Report on K-[epsilon] Turbulence Modeling in COMMIX-1AR/P written by P. L. Garner and published by . This book was released on 1991 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David C. Wilcox
Publisher :
ISBN 13 : 9781928729082
Total Pages : 522 pages
Book Rating : 4.7/5 (29 download)
Download or read book Turbulence Modeling for CFD: CD-ROM written by David C. Wilcox and published by . This book was released on 2006 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Implementation and Validation of the Chien K-epsilon Turbulence Model in the Wind Navier-Stokes Code written by and published by . This book was released on 1999 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book An Improved K-epsilon Model for Near-wall Turbulence and Comparison with Direct Numerical Simulation written by and published by . This book was released on 1990 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Existence and Positivity Results for the [phi] - [theta] and a Modified K - [epsilon] Two-equation Turbulence Models PDF Online Free](https://books.google.com/books/content/images/frontcover/zdzyHAAACAAJ?fife=w200-h370)
Author : Roger Lewandowski
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (253 download)
Download or read book Existence and Positivity Results for the [phi] - [theta] and a Modified K - [epsilon] Two-equation Turbulence Models written by Roger Lewandowski and published by . This book was released on 1991 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "In this work, we consider the k - [epsilon] two- equation turbulence model from the point of view of mathematical and numerical analysis. We introduce a new equivalent two-equation model based on a change of variables. In the first part, we study this model with a constant eddy viscosity and where the coupling between the two-equation is done through the right hand side. Then we consider the complete model with a non linear viscosity. Finally, the impact of this new change of variables on the numerical computations with the k - [epsilon] model is shown and a robust algorithm which preserves the positivity of the variables is given."
![Download An Improved [k-epsilon] Model for Near-wall Turbulence and Comparison with Direct Numerical Simulation PDF Online Free](https://books.google.com/books/content/images/frontcover/cIQjPISS6p0C?fife=w200-h370)
Author : T. H. Shih
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (31 download)
Download or read book An Improved [k-epsilon] Model for Near-wall Turbulence and Comparison with Direct Numerical Simulation written by T. H. Shih and published by . This book was released on 1990 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721997961
Total Pages : 32 pages
Book Rating : 4.9/5 (979 download)
Download or read book A Critical Evaluation of Two-Equation Models for Near Wall Turbulence written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-27 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A variety of two-equation turbulence models, including several versions of the K-epsilon model as well as the K-omega model, are analyzed critically for near wall turbulent flows from a theoretical and computational standpoint. It is shown that the K-epsilon model has two major problems associated with it: the lack of natural boundary conditions for the dissipation rate and the appearance of higher-order correlations in the balance of terms for the dissipation rate at the wall. In so far as the former problem is concerned, either physically inconsistent boundary conditions have been used or the boundary conditions for the dissipation rate have been tied to higher-order derivatives of the turbulent kinetic energy which leads to numerical stiffness. The K-omega model can alleviate these problems since the asymptotic behavior of omega is known in more detail and since its near wall balance involves only exact viscous terms. However, the modeled form of the omega equation that is used in the literature is incomplete-an exact viscous term is missing which causes the model to behave in an asymptotically inconsistent manner. By including this viscous term and by introducing new wall damping functions with improved asymptotic behavior, a new K-tau model (where tau is identical with 1/omega is turbulent time scale) is developed. It is demonstrated that this new model is computationally robust and yields improved predictions for turbulent boundary layers. Speziale, Charles G. and Abid, Ridha and Anderson, E. Clay Langley Research Center NAS1-18605..
