Numerical Experiments on the Flow Past a Circular Cylinder at Sub-critical Reynolds Number PDF Download
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Author: Patrick Beaudan
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 280
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Book Description
Author: Patrick Beaudan
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 280
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Book Description
Author: M. Budair
Publisher:
ISBN:
Category : Boundary layer control
Languages : en
Pages : 156
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Book Description
Author: D. J. TRITTON
Publisher:
ISBN:
Category :
Languages : en
Pages : 21
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Book Description
Author: Hyun Jin Kim
Publisher:
ISBN:
Category : Aerospace engineering
Languages : en
Pages : 506
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Book Description
An experimental investigation has been carried out on the flow transitions around a smooth circular cylinder in the initial stage of the critical Reynolds number region, where drag coefficient starts to decrease. In this Reynolds number region, intermitent reattachment of the separated boundary layer was found, while only initial separation position excursion was observed in the subcritical region. Large spanwise variations in the surface pressure and wake velocity observed in the first critical subregion were associated with local wake width pulsations caused by spanwise phase variations in the unsteady flow reattachment.
Author: Jorgen Fredsoe
Publisher: World Scientific
ISBN: 981449805X
Category :
Languages : en
Pages : 550
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Book Description
This book discusses the subject of wave/current flow around a cylinder, the forces induced on the cylinder by the flow, and the vibration pattern of slender structures in a marine environment.The primary aim of the book is to describe the flow pattern and the resulting load which develops when waves or current meet a cylinder. Attention is paid to the special case of a circular cylinder. The development in the forces is related to the various flow patterns and is discussed in detail. Regular as well as irregular waves are considered, and special cases like wall proximities (pipelines) are also investigated.The book is intended for MSc students with some experience in basic fluid mechanics and for PhD students.
Author: Srinivasan Gopalkrishnan
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 130
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Book Description
Author: Anatol Roshko
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Robert Leigh Underwood
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 112
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Book Description
An accurate description of the flow field about a cylinder is found possible with a semi-analytical solution of the full Navier-Stokes equations. The method of series truncation is employed to reduce the governing partial differential equations of motion to a system of ordinary differential equations which can be integrated numerically. This method, which has been applied to the hypersonic blunt-body problem by previous investigators with great success, is essentially a successive-approximation procedure which treats an elliptic partial differential equation as if it were parabolic or hyperbolic. The dependent variable is expanded in one co-ordinate, and backward influence in the resultant system of ordinary differential equations is prevented by series curtailment. Results are given for Reynolds numbers between 0.4 and 10.0 (based on diameter); however, the method can be applied to both higher and lower Reynolds numbers without modification. An accurate prediction of the Reynolds number at which separation first occurs behind the circular cylinder is made; this separation Reynolds number is found to be 5.75. Over the entire Reynolds-number range investigated, characteristic flow parameters such as the drag coefficient, pressure coefficient, standing-eddy length, and streamline pattern compare favorably with available experimental data and numerical-solution results. It is concluded that the semi-analytical method of series truncation permits accurate determination of the flow field about a circular cylinder at moderate Reynolds numbers without resorting either to full-numerical solution or to experiment. (Author).
Author: Robert D. Blevins
Publisher:
ISBN: 9781575241838
Category : Science
Languages : en
Pages : 477
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Book Description
Focuses on applications for offshore platforms and piping; and, wind-induced vibration of buildings, bridges, and towers. This title also focuses on acoustic and mechanical vibration of heat exchangers, power lines, and process ducting.
Author: Dimokratis G.E. Grigoriadis
Publisher: Springer
ISBN: 3319632124
Category : Technology & Engineering
Languages : en
Pages : 523
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Book Description
This book addresses nearly all aspects of the state of the art in LES & DNS of turbulent flows, ranging from flows in biological systems and the environment to external aerodynamics, domestic and centralized energy production, combustion, propulsion as well as applications of industrial interest. Following the advances in increased computational power and efficiency, several contributions are devoted to LES & DNS of challenging applications, mainly in the area of turbomachinery, including flame modeling, combustion processes and aeroacoustics. The book includes work presented at the tenth Workshop on 'Direct and Large-Eddy Simulation' (DLES-10), which was hosted in Cyprus by the University of Cyprus, from May 27 to 29, 2015. The goal of the workshop was to establish a state of the art in DNS, LES and related techniques for the computation and modeling of turbulent and transitional flows. The book is of interest to scientists and engineers, both in the early stages of their career and at a more senior level.
