3 edition of Bluff-body wakes, dynamics and instabilities found in the catalog.
Bluff-body wakes, dynamics and instabilities
IUTAM Symposium (1992 GoМ€ttingen, Germany)
|Statement||IUTAM Symposium, Göttingen, Germany, September 7-11, 1992 ; H. Eckelmann ... [et al.], eds.|
|Contributions||Eckelmann, H. 1936-, International Union of Theoretical and Applied Mechanics.|
|LC Classifications||QA913 .I97 1992|
|The Physical Object|
|Pagination||xxix, 364 p. :|
|Number of Pages||364|
|ISBN 10||3540565949, 0387565949|
|LC Control Number||93003704|
This review article addresses the dynamics and control of low-frequency unsteadiness, as observed in some aerodynamic applications. It presents a coherent and rigorous linearized approach, which enables both to describe the dynamics of commonly encountered open-flows and to design open-loop and closed-loop control strategies, in view of suppressing or delaying instabilities. Bluff-Body Wakes, Dynamics and Instabilities, Springer, Berlin, In IUTAM Symposium on Bluff Body Wakes and Vortex-Induced Vibrations: Book of Papers IUTAM Symposium on `in Bluff-Body Wakes, Dynamics and Instabilities’, Gottingen, Germany, September,
Welcome: Bluff Body Wakes Reference [in ] Browse bluff body wakes collection of photos or bluff body wakes and vortex-induced vibrations also bluff-body wakes dynamics and instabilities. Flow Interference In Bluff Body Wakes. Direct numerical simulation (DNS) is used to calculate the three-dimensional cases of elongated bluff body under low Reynolds numbers (Re=).Primary instabilities such as Von Karman vortices and secondary instabilities including Mode A and Mode C are identified in the numerical results to investigate the physical mechanism of the wake region.
The three-dimensional evolution of oblique waves in plane wakes p. Three-dimensional phenomena in bluff body wakes: Part 1: 3-D phase dynamics; Part 2: Wave interactions in the far wake p. Symmetry of two- and three-dimensional modes at a vortex shedding interface in a cylinder wake p. The influence of reactant temperature on the dynamics of bluff body stabilized premixed flames. Author links open overlay Non-reacting bluff body wakes, particularly those of cylinders have been the subject of J. Hertzberg, S. MahalingamClassification of absolute and convective instabilities in premixed bluff body stabilized flames.
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Introduction Bluff-body wakes play an important role in many fluid dynamics problems and engineering applications. This book gives and up-to-date account of recent results obtained in the study of bluff-body wakes.
Experimental, theoretical and numerical approaches are all comprehensively covered and compared. About this book Bluff-body wakes play an important role in many fluid dynamics problems and engineering applications.
This book gives and up-to-date account of recent results obtained in the study of bluff-body wakes. Experimental, theoretical and numerical approaches are all comprehensively covered and compared. Summary: Bluff-body wakes play an important role in many problems of fluid dynamics.
This study covers experimental, theoretical and numerical approaches to the subject, including hydrodynamic instability analyses, flow control methods, numerical simulations and turbulence modelling. Graham J.M.R., “Comparing Computation of Flow Past Circular Cylinders with Experimental Data,” Bluff Body Wakes, Dynamics and Instabilities, Springer Verlag, Berlin,pp – Show this book's table of contents, where you can jump to any chapter by name.
This paper discusses the variation of feedback control of bluff body wakes with the feedback loop used, and the effect of the controller at points on the span away from the control sensor.
In the latter case the results are compared with Ginzburg-Landau model parameters deduced by other researchers using different by: 4. Meneghini J.R. and Bearman P. “Numerical Simulation of Control Of Bluff Body Flow Using a Discrete Vortex Method Incorporating Viscous Diffusion” IUTAM Sym.
Bluff-Body Wakes, Dynamics and Instabilities, Gottingen, Bluff-Body Wakes, Dynamics and Instabilities. Bluff-Body Wakes, Dynamics and Instabilities pp | Cite as.
Quantitative Visualization of Bluff-Body Wakes Via Particle Image Velocimetry. Authors Buy this book on publisher's site; Reprints and Permissions; Personalised recommendations. Bluff-Body Wakes, Dynamics and Instabilities pp | Cite as Three-Dimensional Phenomena in Bluff Body Wakes: Part 1: 3-D Phase Dynamics Part 2: Wave Interactions in the Far Wake Authors.
The circular cylinder has been the generic geometry employed to understand many aspects of flows around bluff bodies, including the transition to a turbulent wake flow. The FLAIR group has been interested in the types and orders of instabilities and transitions for a range of bluff body.
CONVECTIVE AND ABSOLUTE INSTABILITIES IN REACTING BLUFF BODY WAKES Benjamin Emerson, Julia Lundrigan, Jacqueline O’Connor, David Noble, Tim Lieuwen so that its dynamics are then controlled by the convectively unstable shear layers. For example, Yu  and Monkewitz [7, 21] reported the results of a parallel stability analysis in an.
Title: Bluff Body Wake Control Abstract: The low-dimensional dynamics of a turbulent axisymmetric wake are examined by using the base pressure. It is shown that the most energetic structures retain the symmetry-breaking properties of laminar instabilities and appear as unsteady vortex shedding.
BBVIV-7 will focus on aspects of the dynamics of vortex structures found in the wakes of fixed and oscillating bluff bodies, including vortices resulting from shear layer instability, or near- and far- wake instabilities. Patrick Huerre's 98 research works with 5, citations and 3, reads, including: Global stability of buoyant jets and plumes.
Emerson, B., Murphy, K. & Lieuwen, T. Flame density ratio effects on vortex dynamics of harmonically excited bluff body stabilized flames.
In ASME Turbo Expo Turbine Technical Conference and Exposition, June 3,pp. V01AT04A – V01AT04A Transverse Combustion Instabilities: Modern Experimental Techniques and Analysis. CrossRef; Google Scholar; Emerson, Benjamin and Lieuwen, Tim Dynamics of harmonically excited, reacting bluff body wakes near the global hydrodynamic stability boundary.
Journal of Fluid Mechanics, Vol.Issue., p. Dynamics of bluff-body. Low Reynolds number instabilities and transitions in bluff body wakes To cite this article: K Hourigan et al J. Phys.: Conf. Ser. 64 View the article online for updates and enhancements. Related content Bluff body flow and vortex its application to wind turbine Yuji Ohya-Determination of the Parameters of the Ginzburg-Landau Wake.
Bluff-body wakes play an important role in many fluid dynamics problems and engineering applications. This book gives and up-to-date account of recent results obtained in the study of bluff-body wakes. Experimental, theoretical and numerical approaches are all comprehensively covered and compared.
large size (bluff-body wakes, hot or low-density jets) may display intrinsic dynamics of the same nature as in closed-flow systems.
Fluid particles are still advected downstream, but temporally growing global modes may be present. These flows behave as oscillators: The evolution of vortices does.
This paper describes the variation of bluff body wake structure with flame density ratio. It is known that the bluff body flow structure at “high” and “low” flame density ratios is fundamentally different, being dominated by the convectively unstable shear layers or absolutely unstable Von .DTIC ADA Symposium on Bluff-Body Wakes, Dynamics and Instabilities Held at Goettingen, Germany on September, Item Preview.
Much of the recent activity of research in this area has directly resulted from an O.N.R. "Bluff body Wake Vortex Dynamics and Instabilities" Accelerated Research Initiative (with correspond- ing annual workshops), over the period Acknowledgement is also made of the O.N.R.
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