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Liutex and Its Applications in Turbulence Research

Liutex and Its Applications in Turbulence Research
  • Author : Chaoqun Liu,Hongyi Xu,Xiaoshu Cai,Yisheng Gao
  • Publisher :Unknown
  • Release Date :2020-10-29
  • Total pages :458
  • ISBN : 9780128190241
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Summary : Liutex and Its Applications in Turbulence Research reviews the history of vortex definition, provides an accurate mathematical definition of vortices, and explains their applications in flow transition, turbulent flow, flow control, and turbulent flow experiments. The book explains the term "Rortex" as a mathematically defined rigid rotation of fluids or vortex, which could help solve many longstanding problems in turbulence research. The accurate mathematical definition of the vortex is important in a range of industrial contexts, including aerospace, turbine machinery, combustion, and electronic cooling systems, so there are many areas of research that can benefit from the innovations described here. This book provides a thorough survey of the latest research in generalized and flow-thermal, unified, law-of-the-wall for wall-bounded turbulence. Important theory and methodologies used for developing these laws are described in detail, including: the classification of the conventional turbulent boundary layer concept based on proper velocity scaling; the methodology for identification of the scales of velocity, temperature, and length needed to establish the law; and the discovery, proof, and strict validations of the laws, with both Reynolds and Prandtl number independency properties using DNS data. The establishment of these statistical laws is important to modern fluid mechanics and heat transfer research, and greatly expands our understanding of wall-bounded turbulence. Provides an accurate mathematical definition of vortices Provides a thorough survey of the latest research in generalized and flow-thermal, unified, law-of-the-wall for wall-bounded turbulence Explains the term “Rortex as a mathematically defined rigid rotation of fluids or vortex Covers the statistical laws important to modern fluid mechanics and heat transfer research, and greatly expands our understanding of wall-bounded turbulence

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1995
  • Total pages :229
  • ISBN : OSU:32435052081171
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Summary :

Proceedings of the NASA First Wake Vortex Dynamic Spacing Workshop

Proceedings of the NASA First Wake Vortex Dynamic Spacing Workshop
  • Author : Leonard Credeur,R. Brad Perry
  • Publisher :Unknown
  • Release Date :1997
  • Total pages :614
  • ISBN : NASA:31769000473432
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Summary :

Scientific Information Bulletin

Scientific Information Bulletin
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1993
  • Total pages :229
  • ISBN : STANFORD:36105016610359
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Summary :

Weakly Compressible Flow Model and Simulations of Vortex-shedding Flows about a Circular Cylinder

Weakly Compressible Flow Model and Simulations of Vortex-shedding Flows about a Circular Cylinder
  • Author : Mingshun Yuan
  • Publisher :Unknown
  • Release Date :1988
  • Total pages :198
  • ISBN : MINN:31951002429853V
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Summary :

Basics of Engineering Turbulence

Basics of Engineering Turbulence
  • Author : David Ting
  • Publisher :Unknown
  • Release Date :2016-02-23
  • Total pages :256
  • ISBN : 9780128039830
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Summary : Basics of Engineering Turbulence introduces flow turbulence to engineers and engineering students who have a fluid dynamics background, but do not have advanced knowledge on the subject. It covers the basic characteristics of flow turbulence in terms of its many scales. The author uses a pedagogical approach to help readers better understand the fundamentals of turbulence scales, especially how they are derived through the order of magnitude analysis. This book is intended for those who have an interest in flowing fluids. It provides some background, though of limited scope, on everyday flow turbulence, especially in engineering applications. The book begins with the ‘basics’ of turbulence which is necessary for any reader being introduced to the subject, followed by several examples of turbulence in engineering applications. This overall approach gives readers all they need to grasp both the fundamentals of turbulence and its applications in practical instances. Focuses on the basics of turbulence for applications in engineering and industrial settings Provides an understanding of concepts that are often challenging, such as energy distribution among the turbulent structures, the effective diffusivity, and the theory behind turbulence scales Offers a user-friendly approach with clear-and-concise explanations and illustrations, as well as end-of-chapter problems

The Application of Laser Doppler Velocimetry to Trailing Vortex Definition and Alleviation

The Application of Laser Doppler Velocimetry to Trailing Vortex Definition and Alleviation
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1973
  • Total pages :35
  • ISBN : NASA:31769000529977
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Summary :

Turbulent Flow

Turbulent Flow
  • Author : Peter S. Bernard,James M. Wallace
  • Publisher :Unknown
  • Release Date :2002-11-14
  • Total pages :512
  • ISBN : 9780471275381
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Summary : Provides unique coverage of the prediction and experimentationnecessary for making predictions. Covers computational fluid dynamics and its relationship todirect numerical simulation used throughout the industry. Covers vortex methods developed to calculate and evaluateturbulent flows. Includes chapters on the state-of-the-art applications ofresearch such as control of turbulence.

AIAA 73-659 - AIAA 73-705 (With omissions in numbering)

AIAA 73-659 - AIAA 73-705 (With omissions in numbering)
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1973
  • Total pages :229
  • ISBN : PSU:000011909132
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Summary :

International Aerospace Abstracts

International Aerospace Abstracts
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1997
  • Total pages :229
  • ISBN : STANFORD:36105021091371
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Summary :

Application of the Bernoulli enthalpy concept to the study of vortex noise and jet impingement noise

Application of the Bernoulli enthalpy concept to the study of vortex noise and jet impingement noise
  • Author : John E. Yates
  • Publisher :Unknown
  • Release Date :1978
  • Total pages :80
  • ISBN : UIUC:30112106629121
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Summary :

Vortex Wakes of Conventional Aircraft

Vortex Wakes of Conventional Aircraft
  • Author : Coleman duPont Donaldson,Alan J. Bilanin
  • Publisher :Unknown
  • Release Date :1975
  • Total pages :79
  • ISBN : MINN:319510005644939
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Summary : A review is made of the present state of our knowledge of the vortex wakes of conventional aircraft. Included are discussions of wake rollup, geometry, instability, and turbulent aging. In the light of these discussions, a brief review is made of the persistence of vortices in the atmosphere, and design techniques which might be used to minimize wake hazard are considered.

Vortex Dynamics

Vortex Dynamics
  • Author : P. G. Saffman
  • Publisher :Unknown
  • Release Date :1995-02-24
  • Total pages :311
  • ISBN : 0521477395
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Summary : Vortex dynamics is a natural paradigm for the field of chaotic motion and modern dynamical system theory. However, this volume focuses on those aspects of fluid motion that are primarily controlled by the vorticity and are such that the effects of the other fluid properties are secondary.

Bluff Body Aerodynamics and Its Applications

Bluff Body Aerodynamics and Its Applications
  • Author : Manabu Ito,Masaru Matsumoto,Naruhito Shiraishi
  • Publisher :Unknown
  • Release Date :1990
  • Total pages :460
  • ISBN : STANFORD:36105030070994
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Summary : With the increasing slenderness and lightness of civil engineering structures such as tower blocks and bridges, wind effects on them have been attracting considerable interest from researchers and design engineers. Since most structures in civil engineering present bluff forms to the wind, the main emphasis of this collection of papers is on bluff body aerodynamics. The flow effects in this case, in addition to turbulence effects in the atmospheric boundary layer illustrate the unique and complex nature of the problems that can be encountered in this field, as opposed to the classical studies in the aeronautical field that influenced the initial development stages of industrial aerodynamics. Selected papers from the colloquium are presented in this volume. The papers offer a comprehensive presentation of the results of the studies made of wind effects on engineering structures. The latest trends in the field are outlined and the results obtained in the solution of topical problems are described.

AIAA Journal

AIAA Journal
  • Author : American Institute of Aeronautics and Astronautics
  • Publisher :Unknown
  • Release Date :2008
  • Total pages :229
  • ISBN : UCSD:31822036051662
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Summary :

Aeronautical Engineering

Aeronautical Engineering
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1993
  • Total pages :229
  • ISBN : STANFORD:36105012119983
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Summary : A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)

Vortex Methods

Vortex Methods
  • Author : Kyoji Kamemoto,Michihisa Tsutahara
  • Publisher :Unknown
  • Release Date :2000-05-11
  • Total pages :220
  • ISBN : 9789814493284
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Summary : Vortex methods have been developed and applied to many kinds of flows related to various problems in wide engineering and scientific fields. The purpose of the First International conference on Vortex methods was to provide an opportunity for engineers and scientists to present their achievements, exchange ideas and discuss new developments in mathematical and physical modeling techniques and engineering applications of vortex methods. Contents: Vortex Element Methods, the Most Natural Approach to Flow Simulation — A Review of Methodology with Applications (R I Lewis)A Hybrid Vortex Method (J M R Graham & R H Arkell)Transient Flow Around a Circular Cylinder Near the Moving and Rigid Ground by a Vortex Method (T Kida & T Take)Vortex Method Analysis of Turbulent Flows (P S Bernard et al.)Dynamics of Coherent Structures in a Forced Round Jet (S Izawa et al.)Convergence Study for the Vortex Method with Boundaries (L-A Ying)3D Vortex Methods: Achievements and Challenges (G H Cottet)Development of a Vortex and Heat Elements Method and Its Application to Analysis of Unsteady Heat Transfer Around a Circular Cylinder in a Uniform Flow (K Kamemoto & T Miyasaka)Three-Dimensional Vortex Method Using the Ferguson Spline (M Tsutahara et al.)Numerical Prediction of Rotor Tip-Vortex Roll-Up in Axial Flights by Using a Time-Marching Free-Wake Method (D J Lee)and other papers Readership: Students and researchers in computational fluid mechanics. Keywords:

IUTAM Symposium on Computational Physics and New Perspectives in Turbulence

IUTAM Symposium on Computational Physics and New Perspectives in Turbulence
  • Author : Yukio Kaneda
  • Publisher :Unknown
  • Release Date :2007-12-26
  • Total pages :450
  • ISBN : 1402064721
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Summary : This volume contains the proceedings of the IUTAM Symposium on Computational Physics and New Perspectives in Turbulence, held at Nagoya University, Nagoya, Japan, in September 2006. With special emphasis given to fundamental aspects of the physics of turbulence, coverage includes experimental approaches to fundamental problems in turbulence, turbulence modeling and numerical methods, and geophysical and astrophysical turbulence.

NASA SP.

NASA SP.
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1962
  • Total pages :229
  • ISBN : MINN:30000002998767
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Summary :

Tubes, Sheets and Singularities in Fluid Dynamics

Tubes, Sheets and Singularities in Fluid Dynamics
  • Author : K. Bajer,H.K. Moffatt
  • Publisher :Unknown
  • Release Date :2006-04-11
  • Total pages :379
  • ISBN : 9780306484209
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Summary : Modern experiments and numerical simulations show that the long-known coherent structures in turbulence take the form of elongated vortex tubes and vortex sheets. The evolution of vortex tubes may result in spiral structures which can be associated with the spectral power laws of turbulence. The mutual stretching of skewed vortex tubes, when they are close to each other, causes rapid growth of vorticity. Whether this process may or may not lead to a finite-time singularity is one of the famous open problems of fluid dynamics. This book contains the proceedings of the NATO ARW and IUTAM Symposium held in Zakopane, Poland, 2-7 September 2001. The papers presented, carefully reviewed by the International Scientific Committee, cover various aspects of the dynamics of vortex tubes and sheets and of their analogues in magnetohydrodynamics and in quantum turbulence. The book should be a useful reference for all researchers and students of modern fluid dynamics.

Physics Briefs

Physics Briefs
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1993
  • Total pages :229
  • ISBN : UOM:39015027851834
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Summary :