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An Experimental Investigation On Waves And Coherent Structures In A Three Dimensional Open Cavity Flow
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Book Synopsis An Experimental Investigation on Waves and Coherent Structures in a Three-dimensional Open Cavity Flow by : Jeremy Clement Daniel Basley
Download or read book An Experimental Investigation on Waves and Coherent Structures in a Three-dimensional Open Cavity Flow written by Jeremy Clement Daniel Basley and published by . This book was released on 2012 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: A space-time study of a three-dimensional nonlinearly saturated opencavity flow is undertaken using time-resolved space-extended experimental data,acquired in both cross-stream and spanwise planes, in incompressible air and waterflows. Through multiple modal decompositions in time and space, the waves andcoherent structures composing the dynamics in the permanent regime are identifiedand characterised with respect to the instabilities arising in the flow.Effects of nonlinearities are thoroughly investigated in the impinging shear layer,regarding the self-sustained oscillations and their interactions with the inner-flow. Inparticular, the analysis conducted throughout the parameter space enlightens a globalconnection between the selection of locked-on modes and the amplitude modulation atthe impingement and the mode switching phenomenon. Furthermore, observations oflow frequencies interacting drastically with the shear layer flapping motion underlinethe existence of intrinsic coherent three-dimensional dynamics inside the cavity inspite of the shear layer disturbances.Linear stability analyses have demonstrated the onset of centrifugal instabilitiesalong the main recirculation. In the present investigation, we focus on the dynamicsafter saturation occurred. It reveals numerous space-time coherent structures, whoseproperties are quantified and classified with respect to the underlying instabilities. Weobserve travelling or standing spanwise waves, as well as steady structures. Finally,some patterns exhibited by the saturated structures suggest that the nonlinearmechanisms governing the mutations of the flow after the linear regime could gainmore insight in the frame of amplitude equations.
Book Synopsis Instability and Control of Massively Separated Flows by : Vassilis Theofilis
Download or read book Instability and Control of Massively Separated Flows written by Vassilis Theofilis and published by Springer. This book was released on 2015-01-03 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the outcome of the international meeting on instability, control and noise generated by massive flow separation that was organized at the Monash Center, in Prato, Italy, September 4-6, 2013. The meeting served as the final review of the EU-FP7 Instability and Control of Massively Separated Flows Marie Curie travel grant and was supported by the European Office of Aerospace Research and Development. Fifty leading specialists from twelve countries reviewed the progress made since the 50s of the last century and discussed modern analysis techniques, advanced experimental flow diagnostics and recent developments in active flow control techniques from the incompressible to the hypersonic regime. Applications involving massive flow separation and associated instability and noise generation mechanisms of interest to the aeronautical, naval and automotive industries have been addressed from a theoretical, numerical or experimental point of view, making this book a unique source containing the state-of-the-art in separated flow instability and its control.
Book Synopsis An Experimental Investigation of Three Dimensional Modes in Perdiodically Driven Cavity Flow by : Jonathan J. F. Leung
Download or read book An Experimental Investigation of Three Dimensional Modes in Perdiodically Driven Cavity Flow written by Jonathan J. F. Leung and published by . This book was released on 2004 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Structures in Taylor-Couette Flow by : Sedat Tokgöz
Download or read book Coherent Structures in Taylor-Couette Flow written by Sedat Tokgöz and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Experimental Investigation of the Two-phase Flow Structure in a Bubbly Pipe Flow by : William Daniel Schmidl
Download or read book Three-dimensional Experimental Investigation of the Two-phase Flow Structure in a Bubbly Pipe Flow written by William Daniel Schmidl and published by . This book was released on 1999 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book River Flow 2020 written by Wim Uijttewaal and published by CRC Press. This book was released on 2020-08-27 with total page 2459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rivers form one of the lifelines in our society by providing essential services such as availability of fresh water, navigation, energy, ecosystem services, and flood conveyance. Because of this essential role, mankind has interfered continuously in order to benefit most and at the same time avoid adverse consequences such as flood risk and droughts. This has resulted in often highly engineered rivers with a narrow set of functions. In the last decades rivers are increasingly considered in a more holistic manner as a system with a multitude of interdependent processes. River research and engineering has therefore added to the river fundamentals also themes like ecohydraulics, consequences of climate change, and urbanisation. River Flow 2020 contains the contributions presented at the 10th conference on Fluvial Hydraulics, River Flow 2020, organised under the auspices of the Committee on Fluvial Hydraulics of the International Association for Hydro-Environment Engineering and Research (IAHR). What should have been a lively physical gathering of researchers, students and practitioners, was converted into an online event as the COVID-19 pandemic hindered international travelling and large gatherings of people. Nevertheless, the fluvial hydraulics community showed their interest and to be very much alive with a high number of participations for such event. Since its first edition in 2002, in Louvain-la-Neuve, this series of conferences has found a large and loyal audience in the river research and engineering community while being also attractive to the new researchers and young professionals. This is highlighted by the large number of contributions applying for the Coleman award for young researchers, and also by the number of applications and attendants to the Master Classes which are aimed at young researchers and students. River Flow 2020 aims to provide an updated overview of the ongoing research in this wide range of topics, and contains five major themes which are focus of research in the fluvial environment: river fundamentals, the digital river, the healthy river, extreme events and rivers under pressure. Other highlights of River Flow 2020 include the substantial number of interdisciplinary subthemes and sessions of special interest. The contributions will therefore be of interest to academics in hydraulics, hydrology and environmental engineering as well as practitioners that would like to be updated about the newest findings and hot themes in river research and engineering.
Book Synopsis Experimental Investigation of Flow-induced Cavity Resonance by : Paul Zoccola (Jr., J.)
Download or read book Experimental Investigation of Flow-induced Cavity Resonance written by Paul Zoccola (Jr., J.) and published by . This book was released on 2000 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluid Mechanics and Fluid Power – Contemporary Research by : Arun K. Saha
Download or read book Fluid Mechanics and Fluid Power – Contemporary Research written by Arun K. Saha and published by Springer. This book was released on 2016-09-20 with total page 1638 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume comprises the proceedings of the 42nd National and 5th International Conference on Fluid Mechanics and Fluid Power held at IIT Kanpur in December, 2014.The conference proceedings encapsulate the best deliberations held during the conference. The diversity of participation in the conference, from academia, industry and research laboratories reflects in the articles appearing in the volume. This contributed volume has articles from authors who have participated in the conference on thematic areas such as Fundamental Issues and Perspectives in Fluid Mechanics; Measurement Techniques and Instrumentation; Computational Fluid Dynamics; Instability, Transition and Turbulence; Turbomachinery; Multiphase Flows; Fluid‐Structure Interaction and Flow‐Induced Noise; Microfluidics; Bio‐inspired Fluid Mechanics; Internal Combustion Engines and Gas Turbines; and Specialized Topics. The contents of this volume will prove useful to researchers from industry and academia alike.
Download or read book NASA SP. written by and published by . This book was released on 1993 with total page 590 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 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Numerical Investigation of the Three Dimensional Flow in Cavities by : Douglas Daniel McKiernan
Download or read book Experimental and Numerical Investigation of the Three Dimensional Flow in Cavities written by Douglas Daniel McKiernan and published by . This book was released on 1996 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
Book Synopsis Engineering Turbulence Modelling and Experiments - 4 by : D. Laurence
Download or read book Engineering Turbulence Modelling and Experiments - 4 written by D. Laurence and published by Elsevier. This book was released on 1999-04-14 with total page 975 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings contain the papers presented at the 4th International Symposium on Engineering Turbulence Modelling and Measurements held at Ajaccio, Corsica, France from 24-26 May 1999. It follows three previous conferences on the topic of engineering turbulence modelling and measurements. The purpose of this series of symposia is to provide a forum for presenting and discussing new developments in the area of turbulence modelling and measurements, with particular emphasis on engineering-related problems. Turbulence is still one of the key issues in tackling engineering flow problems. As powerful computers and accurate numerical methods are now available for solving the flow equations, and since engineering applications nearly always involve turbulence effects, the reliability of CFD analysis depends more and more on the performance of the turbulence models. Successful simulation of turbulence requires the understanding of the complex physical phenomena involved and suitable models for describing the turbulent momentum, heat and mass transfer. For the understanding of turbulence phenomena, experiments are indispensable, but they are equally important for providing data for the development and testing of turbulence models and hence for CFD software validation.
Book Synopsis Turbulence in Open Channels and River Flows by : Michio Sanjou
Download or read book Turbulence in Open Channels and River Flows written by Michio Sanjou and published by CRC Press. This book was released on 2022-07-20 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence in Open Channel and River Flows covers turbulence and related fluid mechanics in open-channel flows, addressing both basic mechanisms and their applications. It helps readers understand the organized motion involved in turbulent flow and apply this understanding to the practice of hydraulic engineering, including mass and sediment transport. Chapters cover mathematical expansion procedures and basic fluid mechanics to help readers understand essentially physical phenomena, and present special techniques for measurement and accurate direct observation of open-channel turbulence in laboratory flumes or natural rivers. Topics related to environmental management and turbulence-related disasters are addressed. Includes detailed mathematical expansions and supporting supplements in an appendix Presents the mathematics and fluid mechanics needed to understand turbulence in open channels Includes experimental topics from the author’s research, encouraging readers to measure and accurately observe turbulence in laboratories and rivers The book is ideal for graduate students, researchers and engineers in hydraulics and hydromechanics.
Book Synopsis Large-Eddy Simulation in Hydraulics by : Wolfgang Rodi
Download or read book Large-Eddy Simulation in Hydraulics written by Wolfgang Rodi and published by CRC Press. This book was released on 2013-06-27 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the Large-Eddy-Simulation (LES) method, geared primarily toward hydraulic and environmental engineers, the book covers special features of flows in water bodies and summarizes the experience gained with LES for calculating such flows. It can also be a valuable entry to the subject of LES for researchers and students in all fields of fluids engineering, and the applications part will be useful to researchers interested in the physics of flows governed by the dynamics of coherent structures.
Book Synopsis Contrôle Des Décollements. Separated Flow Control And Aerodynamic Performance Improvements by : Éditions Cépaduès
Download or read book Contrôle Des Décollements. Separated Flow Control And Aerodynamic Performance Improvements written by Éditions Cépaduès and published by Éditions Cépaduès. This book was released on 2013-10-28 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: « Separation flow Control » The conception of aeronautic system or road vehicle faces challenging issues such as: prediction of receptivity modes generated by the actuation, development of optimal and robust control, closed loop, conception of micro-scale actuators and sensors, optimal use of energy conversion, establishment of measure fast estimation process, To address these issues, a better understanding of underlying physics and related interactions are needed."
