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An Experimental And Numerical Investigation Of Three Dimensional Turbulent Flow With Decaying Swirl
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Book Synopsis An Experimental and Numerical Investigation of Three-dimensional Turbulent Flow with Decaying Swirl by : M. R. Casey
Download or read book An Experimental and Numerical Investigation of Three-dimensional Turbulent Flow with Decaying Swirl written by M. R. Casey and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Numerical Investigation of Turbulent Swirling Flow in an Orifice Meter by : David Leo Panak
Download or read book Experimental and Numerical Investigation of Turbulent Swirling Flow in an Orifice Meter written by David Leo Panak and published by . This book was released on 1999 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Numerical Investigation of Developing Turbulent Flow Over a Wavy Wall by : Vinicius Martins Segunda
Download or read book Experimental and Numerical Investigation of Developing Turbulent Flow Over a Wavy Wall written by Vinicius Martins Segunda and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent flow over a wavy wall in a horizontal channel is investigated by experimental and numerical methods. The thorough problem understanding can advance turbulent flow physics knowledge for separating and reattaching flows. Another important consideration is the performance evaluation of mathematical models used in computational fluid dynamics (CFD) codes to predict the flow characteristics. This study explores numerical models because they are critically important to the design and performance evaluation of engineering systems. The experimental data are obtained to provide repository data and more insights into the flow physics considering both the flow development and fully periodic regions. A channel with a wavy bottom wall is considered for this study, and its main characteristic is a value of 10 for the ratio between the wave length and wave amplitude. A high-resolution particle image velocimetry (PIV) system is used to obtain detailed measurements of velocity at Reynolds number of 5040, 8400, 10700 and 13040 in both the developing and fully periodic regions. The numerical simulations are performed with a commercial CFD code using four eddy viscosity turbulence models and three Second-Moment Closure (SMC) turbulence models. This work assessed the predictive accuracy of a total of seven turbulence models. The experimental study covered a lack of data for the flow development within the waves, prior the periodic condition region, and it supported the turbulence models evaluation. The experiments provided features of the flow such as the recirculation regions, Reynolds stresses, and turbulent kinetic energy production at different channel locations. A comprehensive comparison between models and experimental data revealed a significant dependency on the turbulence model formulation and on the wall treatment selection for the flow development and fully periodic regions predictions.
Download or read book Turbulent Flows written by G. Biswas and published by CRC Press. This book was released on 2002 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book allows readers to tackle the challenges of turbulent flow problems with confidence. It covers the fundamentals of turbulence, various modeling approaches, and experimental studies. The fundamentals section includes isotropic turbulence and anistropic turbulence, turbulent flow dynamics, free shear layers, turbulent boundary layers and plumes. The modeling section focuses on topics such as eddy viscosity models, standard K-E Models, Direct Numerical Stimulation, Large Eddy Simulation, and their applications. The measurement of turbulent fluctuations experiments in isothermal and stratified turbulent flows are explored in the experimental methods section. Special topics include modeling of near wall turbulent flows, compressible turbulent flows, and more.
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:
Book Synopsis Combustion Aerodynamics by : János Miklós Beér
Download or read book Combustion Aerodynamics written by János Miklós Beér and published by . This book was released on 1983 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Numerical Investigation of Three-dimensional Unsteady Turbulent Channel Flow Subjected to Temporal Acceleration by : Tariq Talha
Download or read book A Numerical Investigation of Three-dimensional Unsteady Turbulent Channel Flow Subjected to Temporal Acceleration written by Tariq Talha and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulent Fluid Flow by : Peter S. Bernard
Download or read book Turbulent Fluid Flow written by Peter S. Bernard and published by John Wiley & Sons. This book was released on 2018-12-28 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the essential information needed to model and compute turbulent flows and interpret experiments and numerical simulations Turbulent Fluid Flow offers an authoritative resource to the theories and models encountered in the field of turbulent flow. In this book, the author – a noted expert on the subject – creates a complete picture of the essential information needed for engineers and scientists to carry out turbulent flow studies. This important guide puts the focus on the essential aspects of the subject – including modeling, simulation and the interpretation of experimental data - that fit into the basic needs of engineers that work with turbulent flows in technological design and innovation. Turbulent Fluid Flow offers the basic information that underpins the most recent models and techniques that are currently used to solve turbulent flow challenges. The book provides careful explanations, many supporting figures and detailed mathematical calculations that enable the reader to derive a clear understanding of turbulent fluid flow. This vital resource: • Offers a clear explanation to the models and techniques currently used to solve turbulent flow problems • Provides an up-to-date account of recent experimental and numerical studies probing the physics of canonical turbulent flows • Gives a self-contained treatment of the essential topics in the field of turbulence • Puts the focus on the connection between the subject matter and the goals of fluids engineering • Comes with a detailed syllabus and a solutions manual containing MATLAB codes, available on a password-protected companion website Written for fluids engineers, physicists, applied mathematicians and graduate students in mechanical, aerospace and civil engineering, Turbulent Fluid Flow contains an authoritative resource to the information needed to interpret experiments and carry out turbulent flow studies.
Book Synopsis Numerical Modelling of Turbulent Flow with Decaying Swirl in a Cylindrical Duct by : Edward Obanye Ofiaeli
Download or read book Numerical Modelling of Turbulent Flow with Decaying Swirl in a Cylindrical Duct written by Edward Obanye Ofiaeli and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Results in Numerical and Experimental Fluid Mechanics XII by : Andreas Dillmann
Download or read book New Results in Numerical and Experimental Fluid Mechanics XII written by Andreas Dillmann and published by Springer Nature. This book was released on 2019-09-26 with total page 867 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers contributions to the 21st 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. The book’s primary emphasis is on aerodynamic research in aeronautics and astronautics, and in ground transportation and energy as well.
Book Synopsis The Origin of Turbulence in Near-Wall Flows by : A.V. Boiko
Download or read book The Origin of Turbulence in Near-Wall Flows written by A.V. Boiko and published by Springer Science & Business Media. This book was released on 2002-01-22 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive survey of the origin of turbulence in near-wall shear layer flows. Instead of going too far into details modern approaches to the problem are discussed in a conceptual treatment. The transition from laminar to turbulent flows in shear layers is described including the generation of flow perturbations, their amplification and development, the breakdown of the initial laminar state, and transformation to a turbulent regime. This book also presents new approaches to boundary-layer transitions with strong external-flow perturbations and to the prediction and control of the presented near-wall transitions to turbulence. This book is addressed to researchers, lecturers and students in engineering, physics and mathematics.
Book Synopsis Numerical Investigation of Turbulent Coupling Boundary Layer of Air-water Interaction Flow by : Song Liu (S.M.)
Download or read book Numerical Investigation of Turbulent Coupling Boundary Layer of Air-water Interaction Flow written by Song Liu (S.M.) and published by . This book was released on 2005 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) Abundant physical phenomena exist on the water side turbulent flow with four major types of three-dimensional vortex structures identified near the interface by variable-interval spacing averaging (VISA) techniques. Each type of vortex structures is found to play an essential role in the turbulent energy balance and passive scalar transport.
Book Synopsis New Approaches and Concepts in Turbulence by : Themistocles A. Dracos
Download or read book New Approaches and Concepts in Turbulence written by Themistocles A. Dracos and published by Birkhauser. This book was released on 1993 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Study of Three-Dimensional Turbulent Flows by :
Download or read book Numerical Study of Three-Dimensional Turbulent Flows written by and published by . This book was released on 2001 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct numerical and large-eddy simulations were used to perform numerical experiments' relevant to the cases of interest. We employ a plane-channel geometry and impose mean-flow perturbations by subjecung fully developed 2D Poiseuille flow to irrotational deformations andlor in-plane motion of the channel walls. The former corresponds to outer-layer strains induced in boundary layers by pressure gradients, the latter to sudden variations in the near-wall region, caused by either step changes in the surface conditions or the combination of an outer-layer change and the no-slip boundary condition. This combination allows the physics of a broad class of spatially developing wall shear layers to be duplicated with a temporally evolving channel flow. The temporal computations can be realized much more effectively than can simulations of a spatial boundary layer. providing a much more extensive study for a given cost. As a consequence. we can consider a wide variety of mean-flow perturbations. Moreover, since mean statistics for these flows satisfy a one dimensional unsteady problem that contains the essential features of the spatial flow, they provide an effident means of testing on%point dosure models.
Book Synopsis International Aerospace Abstracts by :
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:
Download or read book NBS Special Publication written by and published by . This book was released on 1971 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
