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Author: Akira Ogawa
Publisher: CRC Press
Published: 1992-11-10
Total Pages: 336
ISBN-13: 9780849357824
DOWNLOAD EBOOKVortex Flow presents a detailed description of the natural phenomena of vortices, fundamental concepts, and applications of the vortex flows. Numerous figures and examples illustrate concepts presented in this interesting book for mechanical, chemical, powder, and aeronautical engineers and engineering students.
Author: J.T. Beale
Publisher: Springer Science & Business Media
Published: 2013-04-18
Total Pages: 385
ISBN-13: 9401581371
DOWNLOAD EBOOKMany important phenomena in fluid motion are evident in vortex flow, i.e., flows in which vortical structures are significant in determining the whole flow. This book, which consists of lectures given at a NATO ARW held in Grenoble (France) in June 1992, provides an up-to-date account of current research in the study of these phenomena by means of numerical methods and mathematical modelling. Such methods include Eulerian methods (finite difference, spectral and wavelet methods) as well as Lagrangian methods (contour dynamics, vortex methods) and are used to study such topics as 2- or 3-dimensional turbulence, vorticity generation by solid bodies, shear layers and vortex sheets, and vortex reconnection. For researchers and graduate students in computational fluid dynamics, numerical analysis, and applied mathematics.
Author: Bryan E. Beyer
Publisher: Baker Academic
Published: 2007-10
Total Pages: 308
ISBN-13:
DOWNLOAD EBOOKThis clear and readable introduction provides guidance on the history and theology of the book of Isaiah.
Author: Hans J. Lugt
Publisher: Wiley-Interscience
Published: 1983
Total Pages: 328
ISBN-13:
DOWNLOAD EBOOKAuthor: Richard M. Wood
Publisher:
Published: 2003
Total Pages: 104
ISBN-13:
DOWNLOAD EBOOKAuthor: Linda G. Smith
Publisher:
Published: 1993
Total Pages: 120
ISBN-13:
DOWNLOAD EBOOKOff-body flow visualizations and fluid velocity measurements are conducted in a supersonic vortex flow. Three-dimensional laser velocimetry measurements are made in the leeward flowfield over a simple sharp-edged delta wing with 75 degree sweep angle. Tests are conducted at Mach 1.9 and Reynolds number of 2.4 x 10(exp 6) based on model root chord. Measurements are made at 40% and 80% chord positions for 20 and 30 degree angles of attack and at 40% chord for 35 degrees. Mean velocities and turbulence intensities are measured on the five planes. Measurement accuracy is discussed in detail. The measurements define the location of the vortex core and provide the flowfield velocities surrounding the vortex. The difficulties inherent with seeding high velocity vortex flows are discussed ... Laser Velocimetry Measurement of Vortical Flowfields.
Author: Gary E. Erickson
Publisher:
Published: 1991
Total Pages: 172
ISBN-13:
DOWNLOAD EBOOKAuthor: J. Richard Spahr
Publisher:
Published: 1961
Total Pages: 44
ISBN-13:
DOWNLOAD EBOOKAuthor: Robert E. Bartels
Publisher:
Published: 2000
Total Pages: 38
ISBN-13:
DOWNLOAD EBOOKThreee-dimensional transonic flow over a delta wing is investigated with a focus on the effect of transition and influence of turbulence stress anisotropies. The performance of linear eddy viscosity models and an explicit algebraic stress model is assessed at the start of the vortex flow, and the results compared with experimental data. To assess the effect of transition location, computations that either fix transition or are fully turbulent are performed. To assess the effect of the turbulent stress ansiotropy, comparisons are made between predictions from the algebraic stress model and the linear eddy viscosity models. Both transition location and turbulent stress anisotropy significantly affect the 3D flow field. The most significant effect is found to be the modeling of transition location. At a Mach number of 0.90, the computed solution changes character from steady to unsteady depending on transition onset. Accounting for the anisotropies in the turbulent stresses also considerably impacts the flow, most notably in the outboard region of flow separation.
Author: Jie-Zhi Wu
Publisher: Springer
Published: 2015-06-23
Total Pages: 453
ISBN-13: 3662470616
DOWNLOAD EBOOKThis book is a comprehensive and intensive book for graduate students in fluid dynamics as well as scientists, engineers and applied mathematicians. Offering a systematic introduction to the physical theory of vortical flows at graduate level, it considers the theory of vortical flows as a branch of fluid dynamics focusing on shearing process in fluid motion, measured by vorticity. It studies vortical flows according to their natural evolution stages,from being generated to dissipated. As preparation, the first three chapters of the book provide background knowledge for entering vortical flows. The rest of the book deals with vortices and vortical flows, following their natural evolution stages. Of various vortices the primary form is layer-like vortices or shear layers, and secondary but stronger form is axial vortices mainly formed by the rolling up of shear layers. Problems are given at the end of each chapter and Appendix, some for helping understanding the basic theories, and some involving specific applications; but the emphasis of both is always on physical thinking.
