An Experimental Investigation of the Flow Over a Double Backward Facing Step PDF Download
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Author: Norman R. Bobbitt
Publisher:
ISBN:
Category :
Languages : en
Pages : 172
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Book Description
Author: Norman R. Bobbitt
Publisher:
ISBN:
Category :
Languages : en
Pages : 172
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Book Description
Author: Douglas Eugene Abbott
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 116
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Author: Stanford University. Thermosciences Division. Thermosciences Division
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 118
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Book Description
A semi-empirical analysis is developed for the over-all flow pattern of subsonic turbulent flow over backward facing steps. Good agrement is found between theory and experiment for the prediction of two-dimensional reattachment length for small values of step height to throat width ratio; an asymptotic solution for large values of step height is also given and discussed. Mean velocity profiles calculated by the present analysis are shown; they require an empirical fit at one point. Good agreement with experiment is found in the region near the step face, but agreement is poor near the reattachment region. Experimental results are represented for flow patterns over backward facing steps covering a wide range of geometric variables. Velocity profile measurements are given for both single and double steps. The stall region is shown to consist of a complex pattern involving three distinct regions. The double step contains an asymmetry for large expansions, but approaches the single-step configuration with symmetric stall regions for small values of area ratio. No effect on flow pattern or reattachment length is found for a wide range of Reynolds numbers and turbulence intensities, provided the flow is fully turbulent before the step. (Author).
Author: Jim Kostas
Publisher:
ISBN:
Category : Fluid mechanics
Languages : en
Pages : 526
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Author: Douglas Eugene Abbott
Publisher:
ISBN:
Category : Hydrodynamics
Languages : en
Pages : 356
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Book Description
Author: T. Prabu
Publisher: Springer Nature
ISBN: 9811606986
Category : Technology & Engineering
Languages : en
Pages : 901
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Book Description
div="" style="" This book comprises select proceedings of the 46th National Conference on Fluid Mechanics and Fluid Power (FMFP 2019). The contents of this book focus on aerodynamics and flow control, computational fluid dynamics, fluid structure interaction, noise and aero-acoustics, unsteady and pulsating flows, vortex dynamics, nuclear thermal hydraulics, heat transfer in nanofluids, etc. This book serves as a useful reference beneficial to researchers, academicians and students interested in the broad field of mechanics. ^
Author: Stephen William Pronchick
Publisher:
ISBN:
Category :
Languages : en
Pages : 156
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Author: Stephen William Pronchick
Publisher:
ISBN:
Category : Eddy flux
Languages : en
Pages : 0
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Author: Jeffrey M. Cohen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Klaus Gersten
Publisher: Springer Science & Business Media
ISBN: 3663139867
Category : Science
Languages : en
Pages : 305
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Book Description
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.
