An Experimental Investigation Of The Structure Of A Turbulent Reattaching Flow Behind A Backward Facing Step
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Author | : Stephen W. Pronchick |
Publisher | : |
Total Pages | : 180 |
Release | : 1983 |
Genre | : Turbulent boundary layer |
ISBN | : |
The structure of a turbulent reattaching flow behind a backward-facing step was studied experimentally in a low-velocity water channel, in order to observe the physical structure of the flow and to better understand the relation.
Author | : John K. Eaton |
Publisher | : |
Total Pages | : 184 |
Release | : 1980 |
Genre | : Boundary layer |
ISBN | : |
Author | : Srba Jovic |
Publisher | : |
Total Pages | : 98 |
Release | : 1996 |
Genre | : |
ISBN | : |
Author | : Klaus Gersten |
Publisher | : Springer Science & Business Media |
Total Pages | : 305 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3663139867 |
This volume contains 37 contributions in which the research work is summarized which has been carried out between 1984 and 1990 in the Priority Research Program "Physik abgeloster Stromungen" of the Deutsche Forschungsgemeinschaft (DFG, German Research Society). The aim of the Priority Research Program was the inten sive research of the whole range of phenomena associated with separated flows. Physi cal models as well as prediction methods had to be developed based on detailed experi mental investigations. It was in accordance with the main concept of the research program that scientists working on problems of separated flows in different technical areas of application participated in this program. The following fields have been represented in the program: aerodynamics of wings and bodies, aerodynamics of auto mobiles, turbomachinery, ship hydrodynamics, hydraulics, internal flows, heat exchan gers, bio-fluid-dynamics, aerodynamics of buildings and structures. In order to concentrate on problems common in all those areas the emphasis of the program was on basic research dealing with generic geometric configurations showing the fundamental physical phenomena of separated flows. The engagement and enthusiasm of all participating scientists are highly appreciated. The program was organized such that all researchers met once a year to report on the progress of their work. Special thanks ought to go to Prof. E. A. Muller (Gottingen), Prof. H. Oertel jun. (Braunschweig), Dr. W. Schmidt (Dornier), Dr. H. -W. Stock (Dornier) and Dr. B. Wagner (Dornier), who had the functions of referees on those annual meetings.
Author | : |
Publisher | : |
Total Pages | : 304 |
Release | : 1992 |
Genre | : Aeronautics |
ISBN | : |
Author | : Eric W. Adams |
Publisher | : |
Total Pages | : 314 |
Release | : 1984 |
Genre | : Eddy flux |
ISBN | : |
Two experiments were performed, aimed at improving the understanding of the flow structure and scaling of separated flows. The backward-facing step geometry was chosen as a representative separated flow. The experiments were.
Author | : R. Dumas |
Publisher | : Springer Science & Business Media |
Total Pages | : 462 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 3642819915 |
The Symposium on structure of Complex turbulent shear flows was proposed by the "Comite National Fran
Author | : Viktor I. Terekhov |
Publisher | : Springer Nature |
Total Pages | : 230 |
Release | : 2022-02-05 |
Genre | : Science |
ISBN | : 303094557X |
This book presents the results of scientific research performed over the past two decades by the authors. The book discusses some issues of separated laminar flows that are of great practical interest for the development of new technologies using microchannel flows, where separation zones can form. Of particular interest is the complex mechanism of flow separation with superimposed high external turbulence. The challenges of finding the optimal location for the cavities and fins on heat exchange surfaces are also considered. This is an important fundamental and practical problem when creating new schemes of efficient heat exchangers in various power plants. A wide class of problems of turbulent flow in tubes with flow separation is considered. These data will be useful in engineering estimates of the thermal–hydraulic efficiency of various heat transfer intensifiers. This book focuses on the analysis of thermal characteristics of separated flows, as well as the possibility of controlling the intensity of heat exchange processes, from the point of view of both their intensification and their suppression.
Author | : Wolfgang Rodi |
Publisher | : Elsevier |
Total Pages | : 1011 |
Release | : 2005-05-05 |
Genre | : Science |
ISBN | : 0080530958 |
Proceedings of the world renowned ERCOFTAC (International Symposium on Engineering Turbulence Modelling and Measurements).The proceedings include papers dealing with the following areas of turbulence:·Eddy-viscosity and second-order RANS models ·Direct and large-eddy simulations and deductions for conventional modelling ·Measurement and visualization techniques, experimental studies ·Turbulence control ·Transition and effects of curvature, rotation and buoyancy on turbulence ·Aero-acoustics ·Heat and mass transfer and chemically reacting flows ·Compressible flows, shock phenomena ·Two-phase flows ·Applications in aerospace engineering, turbomachinery and reciprocating engines, industrial aerodynamics and wind engineering, and selected chemical engineering problems Turbulence remains one of the key issues in tackling engineering flow problems. These problems are solved more and more by CFD analysis, the reliability of which depends strongly on the performance of the turbulence models employed. 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. As in other fields of Science, in the rapidly developing discipline of turbulence, swift progress can be achieved only by keeping up to date with recent advances all over the world and by exchanging ideas with colleagues active in related fields.
Author | : Jianguo Zhou |
Publisher | : MDPI |
Total Pages | : 358 |
Release | : 2020-12-29 |
Genre | : Technology & Engineering |
ISBN | : 3039361244 |
This Special Issue reports on recent research trends in hydraulics, hydrodynamics, and hydroinformatics, and their novel applications in practical engineering. The Issue covers a wide range of topics, including open channel flows, sediment transport dynamics, two-phase flows, flow-induced vibration and water quality. The collected papers provide insight into new developments in physical, mathematical, and numerical modelling of important problems in hydraulics and hydroinformatics, and include demonstrations of the application of such models in water resources engineering.