A Numerical Study of Three-dimensional Separated Flow Past a Hemisphere Cylinder PDF Download
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Author: Susan X. Ying
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Susan X. Ying
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: W. Kordulla
Publisher:
ISBN:
Category :
Languages : en
Pages : 15
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The present paper reports on the numerical simulation of the transonic laminar flow past a hemisphere cylinder at an angle of incidence of 0 and 19 deg. In both cases the computations suggest unsteady flow behavior which requires further investigations, in particular because other applications by similar methods in two and three dimensions do allow to simulate symmetric transonic and steady supersonic flows. One instantaneous flow result for the 19 deg case is used as an example to analyze the topology of a flow with separation. The analysis shows that the numerical simulation yields results consistent with possible topological structures, and can be used further to investigate steady state flows with separation.
Author: Victor V. Kozlov
Publisher: Springer Science & Business Media
ISBN: 3642844472
Category : Science
Languages : en
Pages : 907
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Separated flows and jets are closely linked in a variety of applications. They are of great importance in various fields of fluid mechanics including vehicle efficiency, technical branches concerned with gas/liquid flows, atmospheric effects on various constructions, etc. Knowledge of the physics of separated flows and jets and the development of reliable control techniques are prerequisite for future progress in the field. These aspects were in focus during the IUTAM-Symposium which was held in Novosibirsk, 9-13 July, 1990. This volume contains a selection of papers presenting recent results of theoretical and numerical studies as well as experimental work on separated flows and jets. The topics include sub- and supersonic, laminar and turbulent separation as well as organized structures in separated flows and jets. The reader will find here the state of the art and major trends for research in this field of aero-hydrodynamics.
Author: Jianfeng Zhang
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 346
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Author: C.-Y. Tsai
Publisher:
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Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 480
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Author: International Union of Theoretical and Applied Mechanics
Publisher: Cambridge University Press
ISBN: 9780521381451
Category : Mathematics
Languages : en
Pages : 394
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There has been developing interest in the aspects of fluid mechanics and of magnetohydrodynamics that can be properly described as topological, rather than exclusively analytical in character. This book contains the proceedings of the IUTAM symposium on Topological Fluid Mechanics held at Cambridge UK, 13-18 August, 1989. Topics covered include the kinematic and dynamical problems in laminar and turbulent flows, as well as the range of problems that arise from the magnetohydrodynamics of highly conducting flows. The papers presented cover all approaches; theoretical, computational and experimental, and each paper has been edited by a member of the International Scientific Committee.
Author: Yong Pan
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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Author: Jean Délery
Publisher: John Wiley & Sons
ISBN: 1118579887
Category : Science
Languages : en
Pages : 181
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This book develops concepts and a methodology for a rational description of the organization of three-dimensional flows considering, in particular, the case where the flow is the place of separations. The descriptive analysis based on the critical point theory of Poincaré develops conventional but rather unfamiliar considerations from aerodynamicists, who face the understanding of complex flows including multiple separation lines and vortices. These problems concern industrial sectors where aerodynamics plays a key role, such as aerospace, ground vehicles, buildings, etc. Contents 1. Skin Friction Lines Pattern and Critical Points. 2. Separation Streamsurfaces and Vortex Structures. 3. Separated Flow on a Body. 4. Vortex Wake of Wings and Slender Bodies. 5. Separation Induced by an Obstacle or a Blunt Body. 6. Reconsideration of the Two-Dimensional Separation. 7. Concluding Remarks. About the Authors Jean Délery is a Supaero (French National Higher School of Aeronautics and Space) engineer who has worked at Onera (French national aerospace research center) since 1964. He has participated in several major French and European aerospace programs, is the author of many scientific publications, and has occupied various teaching positions particularly at Supaero, the University of Versailles-Saint-Quentin, Ecole polytechnique in France and “La Sapienza” University in Rome, Italy. He is currently emeritus adviser at Onera.
Author: Nader Shahcheraghi
Publisher:
ISBN:
Category :
Languages : en
Pages : 264
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