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Tuesday, July 14, 2020 | History

1 edition of A numerical study of eddy steering by background flows found in the catalog.

A numerical study of eddy steering by background flows

Ray T. Huddleston

A numerical study of eddy steering by background flows

by Ray T. Huddleston

  • 264 Want to read
  • 36 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Eddies,
  • Fluid dynamics,
  • Oceanography

  • About the Edition

    Gulf Stream warm core rings are intense, isolated eddies which form to the north of the Gulf Stream from cutoff meanders which detach from the Stream. After their formation they are embedded in the cooler Slope Water which flows generally westward, impinging on the continental slope near 70 W. Observations indicate that the Slope Water flows westward at approximately 5 cm/s. In this study, the effect of background shear flows on anticyclonic eddy motion is examined using a two layer primitive equation model. The effect of various lateral shear profiles is considered for barotropic and equivalent barotropic eddies. Results indicate that eddy zonal propagation is dependent on the eddy initial vertical profile and form of the background shear lateral profile. Eddy meridional speeds are found to be insensitive to background shear profile or strength.

    Edition Notes

    StatementRay T. Huddleston, Jr
    ContributionsNaval Postgraduate School (U.S.)
    The Physical Object
    Paginationix, 53 p. :
    Number of Pages53
    ID Numbers
    Open LibraryOL25482783M
    OCLC/WorldCa587674037

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    Learn Engineering with these popular books and textbooks. Our books are perfect for professionals or as a textbook for classroom use. Download free chapters and preview our books online. Category: - . This edited volume presents basic principles as well as advanced concepts of the computational modeling of steering systems. Moreover, the book includes the components and functionalities of modern steering system, which are presented comprehensively and in a practical way. The book is written by more than 15 leading experts from the automotive.

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A numerical study of eddy steering by background flows by Ray T. Huddleston Download PDF EPUB FB2

Download BibTeX citations. @book{bhl, title = {A numerical study of eddy steering by background flows / }, copyright = {Not provided. Contact Contributing Library to verify copyright status.}. A numerical study of eddy steering by background flows / By Ray T. Huddleston and Naval Postgraduate School (U.S.) Topics: Eddies, Fluid dynamics, Gulf Stream, Oceanography.

A three-dimensional primitive equations ocean model (POM) is employed to study the momentum and energy balance of a moving cyclonic eddy (CE) during eddy–mean flow interaction. The CE generated by an idealized typhoon forms to the east of the Philippine islands.

A momentum balance analysis shows that the dynamics of the CE are generally dominated by the geostrophic current Cited by: 9.

steering of the background flow in the eastern South Pacific Ali Belmadani1,2, Emilio Concha1, world ocean using satellite and in situ data as well as numerical models.

This study aims at determining the preferred eddy tracks triggered by topographic steering of the background flow in the eastern South Pacific, J.

Geophys. Res. Oceans. Eddy formation in unsteady flows. Black. Search for more papers by this author. Gay. These opposed currents appear as a phase eddy and ideally can endure for 3 hours in M 2 ‐S 2 reversing currents.

Case studies are cited, and numerical hydrodynamic modeling is applied to examine the formation of these circulation by: Numerical simulations are performed for a range of mass flow rates providing flow conditions varying from incompressible to subsonic compressible flows. After a detailed mesh study, the.

Mathematics of Large Eddy Simulation of Turbulent Flows, Direct numerical simulation of turbulent flows is not feasible for the fore- One theme of this book is the connection between LES models and the Navier-Stokes equations rather than the phenomenology of.

By changing artificial-reefs meeting flow angle, Use the CFD imitate three-dimensional flow field under the compaction of constant flow, and analyze the effect of back eddy flow field quantitatively.

The results show that, with the reduction of the angle of the meeting flow, the length; height; width of back eddy has the tendency of becoming small; when the angle become Ninety the effecting of.

A large eddy simulation (LES) of the flows around an underwater vehicle model at intermediate Reynolds numbers is performed. The underwater vehicle model is taken as the DARPA SUBOFF with full appendages, where the Reynolds number based on the hull length is × 10 immersed boundary method based on the moving-least-squares reconstruction is used to handle the.

This manuscript revisits a study of eddy–mean flow interactions in an idealized model of a western boundary current extension jet using properties of the horizontal velocity correlation tensor to diagnose characteristics of average eddy shape, orientation, propagation, and mean flow feedback.

Direct numerical simulation and inviscid linear analysis are used to study the interaction of a normal shock wave with an isotropic turbulent field of vorticity and entropy fluctuations.

Eddy, fluid current whose flow direction differs from that of the general flow; the motion of the whole fluid is the net result of the movements of the eddies that compose it. Eddies can transfer much more energy and dissolved matter within the fluid than can molecular diffusion in nonturbulent flow because eddies actually mix together large masses of fluid.

The performance enhancement ratio, which is the ratio of LCC to the COF is found to be a maximum value of at texture depth ofeccentricity ratio of and the textured region located in the increasing pressure region.,The present study is based on a numerical based research approach, which has its limitations.

() Experimental and Numerical Study of Laminar Round Jet Flows Along a Wall. Journal of Fluids Engineering () A Simple Finite-Volume Formulation of the Lattice Boltzmann Method for Laminar and Turbulent Flows.

The finite element method is used for the numerical analysis of the eddy current and the motion of the plate. It is found that when there is a crack perpendicular to the direction of the constant magnetic field the plate vibrates in the mode that the crack opens up in the transverse direction of the plate.

It flows inside a rectangular. A case study is presented for using models in eddy current NDE design for crack detection in Shuttle Reaction Control System thruster components. Numerical methods were used to address the complex geometry of the part and perform parametric studies of potential transducer designs.

Simulations were found to show agreement with experimental results. In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids—liquids and has several subdisciplines, including aerodynamics (the study of air and other gases in motion) and hydrodynamics (the study of liquids in motion).

Fluid dynamics has a wide range of applications, including calculating forces and moments on aircraft. of eddy currents, to explain how eddy currents are generated and distributed, to point out how the specimen's magnetic and electrical effects relate to eddy currents, and to provide the basic electrical concepts related to eddy current testing.

KEYWORDS: *Eddy current tests. Available from the National Technical Information Service. Paper1: K. Tagesson, B. Jacobson, and L. Laine, “The influence of steering wheel size when tuning power assistance,” International Journal of Heavy Vehicle Systems, vol.

21, no. 4, Contribution: The study was designed, run, analysed and authored by Tagesson. Laine and Jacobson contributed with good ideas and in reviewing.

From the reviews "This reviewer found Engineering Approach to the Calculation of Aerodynamic Flows a valuable addition to his library and an excellent reference on the viscous computational aerodynamics, which this reviewer will recommend to his graduate students in aerospace engineering.

Practicing engineers with an interest in aerodynamic performance prediction will also benefit fom this book."Reviews: 2. Why Engineering in K • Real-world engineering applications and examples concretize complex math and science concepts • Students are engaged in experiential learning • Students’ creativity is challenged, developed, and enhanced • Students’ soft skills in communication and team-work are developed • Students are better equipped for college-level.This is a book about using electronic techniques to record, synthesize, process, and analyze musical sounds, a practice which came into its modern form in the yearsbut whose technological means and artistic uses have under.Great deals on Design School Textbooks & Study Guides.

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