The Generation And Measurement Of Turbulent Flow Fields
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The Generation And Measurement Of Turbulent Flow Fields
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Author : Stephen George Russ
language : en
Publisher:
Release Date : 1989
The Generation And Measurement Of Turbulent Flow Fields written by Stephen George Russ and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Turbulence categories.
Turbulent Flows
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Author : G. Biswas
language : en
Publisher: CRC Press
Release Date : 2002
Turbulent Flows written by G. Biswas and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Technology & Engineering categories.
This book allows readers to tackle the challenges of turbulent flow problems with confidence. It covers the fundamentals of turbulence, various modeling approaches, and experimental studies. The fundamentals section includes isotropic turbulence and anistropic turbulence, turbulent flow dynamics, free shear layers, turbulent boundary layers and plumes. The modeling section focuses on topics such as eddy viscosity models, standard K-E Models, Direct Numerical Stimulation, Large Eddy Simulation, and their applications. The measurement of turbulent fluctuations experiments in isothermal and stratified turbulent flows are explored in the experimental methods section. Special topics include modeling of near wall turbulent flows, compressible turbulent flows, and more.
Velocity Measurements In Turbulent Flow Fields
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Author : N. Syred
language : en
Publisher:
Release Date : 1970
Velocity Measurements In Turbulent Flow Fields written by N. Syred and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Turbulent Flow
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Author : Peter S. Bernard
language : en
Publisher: John Wiley & Sons
Release Date : 2002-08-19
Turbulent Flow written by Peter S. Bernard and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-08-19 with Technology & Engineering categories.
Provides unique coverage of the prediction and experimentation necessary for making predictions. * Covers computational fluid dynamics and its relationship to direct numerical simulation used throughout the industry. * Covers vortex methods developed to calculate and evaluate turbulent flows. * Includes chapters on the state-of-the-art applications of research such as control of turbulence.
Turbulence Measurements And Flow Modeling
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Author : C.J. Chen
language : en
Publisher: Springer
Release Date : 1987-03
Turbulence Measurements And Flow Modeling written by C.J. Chen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-03 with Science categories.
Measurement Of Turbulent Flow Phenomena For The Lower Plenum Of A Prismatic Gas Cooled Reactor
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Author :
language : en
Publisher:
Release Date : 2007
Measurement Of Turbulent Flow Phenomena For The Lower Plenum Of A Prismatic Gas Cooled Reactor written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Mean velocity field and turbulence data are presented for flow phenomena in a lower plenum of a typical prismatic gas-cooled reactor (GCR), such as in a Very High Temperature Reactor (VHTR) concept. In preparation for design, safety analyses and licensing, research has begun on readying the computational tools that will be needed to predict the thermal-hydraulics behavior of the reactor design. Fluid dynamics experiments have been designed and built to develop benchmark databases for the assessment of computational fluid dynamics (CFD) codes and their turbulence models for a typical VHTR plenum geometry in the limiting case of negligible buoyancy and constant fluid properties. This experiment has been proposed as a "Standard Problem" for assessing advanced reactor (CFD) analysis tools. Present results concentrate on the region of the plenum near its far reflector wall (away from the outlet duct). The flow in the lower plenum can locally be considered as multiple jets into a confined cross flow - with obstructions. A model of the lower plenum has been fabricated and scaled to the geometric dimensions of the Next Generation Nuclear Plant (NGNP) Point Design. The model consists of a row of full circular posts along its centerline with half-posts on the two parallel walls to induce flow features somewhat comparable to those expected from the staggered parallel rows of posts in the reactor design. Posts, side walls and end walls are fabricated from clear, fused quartz to match the refractive-index of the working fluid so that optical techniques may be employed for the measurements. The experiments were conducted in the Matched-Index-of-Refraction (MIR) Facility at the Idaho National Laboratory (INL). The benefit of the MIR technique is that it permits optical measurements to determine complex flow characteristics in passages and around objects to be obtained without locating a disturbing transducer in the flow field and without distortion of the optical paths. The innovative advantage of the INL system is its large size, leading to improved spatial and temporal resolution compared to others. Light mineral oil is used as the working fluid. For the data reported a 3-D Particle Image Velocimetry (PIV) system is used. The measurements reveal complicated flow patterns that include several large recirculation areas, reverse flow near the simulated reflector wall, recirculation areas in the upper portion of the plenum and complex flow patterns around the support posts. Data that will be presented include three-dimensional PIV images of flow planes, data displays along the three coordinate planes (slices) and presentations that describe the component flows at specific regions in the model.
Fluid Mechanics Of Flow Metering
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Author : Wolfgang Merzkirch
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-05
Fluid Mechanics Of Flow Metering written by Wolfgang Merzkirch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-05 with Technology & Engineering categories.
Flow meters measure the volumetric flow rate in a pipeline. Most meters are based on deriving a signal from the fluid flow and calibrating the signal against the volumetric flow rate. The calibration is done in fully-developed flow, and the same state of flow must exist at the meter’s position when it is in practical use. Because the field of flow metering has been neglected by fluid mechanicists for a long time, this book addresses two major fluid mechanical problems in flow metering: the analysis of signal generation in turbulent pipe flow, which explains the function of the meter beyond a simple calibration, and the possible use of a meter in non-developed flows. These problems are investigated with reference to, and examples from, a variety of meters, e.g. ultrasound cross-correlation meters, vortex meters, and turbine meters. Studying these problems requires consideration of specific phenomena in turbulent non-developed pipe flow, as caused by installations, and finding special solutions with signal processing, both of which are included in the book.
Turbulent Flows
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Author : Jean Piquet
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Turbulent Flows written by Jean Piquet and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Technology & Engineering categories.
obtained are still severely limited to low Reynolds numbers (about only one decade better than direct numerical simulations), and the interpretation of such calculations for complex, curved geometries is still unclear. It is evident that a lot of work (and a very significant increase in available computing power) is required before such methods can be adopted in daily's engineering practice. I hope to l"Cport on all these topics in a near future. The book is divided into six chapters, each· chapter in subchapters, sections and subsections. The first part is introduced by Chapter 1 which summarizes the equations of fluid mechanies, it is developed in C~apters 2 to 4 devoted to the construction of turbulence models. What has been called "engineering methods" is considered in Chapter 2 where the Reynolds averaged equations al"C established and the closure problem studied (§1-3). A first detailed study of homogeneous turbulent flows follows (§4). It includes a review of available experimental data and their modeling. The eddy viscosity concept is analyzed in §5 with the l"Csulting ~alar-transport equation models such as the famous K-e model. Reynolds stl"Css models (Chapter 4) require a preliminary consideration of two-point turbulence concepts which are developed in Chapter 3 devoted to homogeneous turbulence. We review the two-point moments of velocity fields and their spectral transforms (§ 1), their general dynamics (§2) with the particular case of homogeneous, isotropie turbulence (§3) whel"C the so-called Kolmogorov's assumptions are discussed at length.
An Informal Conceptual Introduction To Turbulence
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Author : Arkady Tsinober
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-08-29
An Informal Conceptual Introduction To Turbulence written by Arkady Tsinober and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-29 with Technology & Engineering categories.
This fully revised second edition focuses on physical phenomena and observations in turbulence, and is focused on reversing misconceptions and ill-defined concepts. New topics include ergodicity, Eulerian versus Lagrangian descriptions, theory validation, and anomalous scaling.
Measurements Of Premixed Flame Turbulence Generation Modification In A Taylor Couette Burner
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Author : Amir Massoud Arjomand-Kermani
language : en
Publisher:
Release Date : 2006
Measurements Of Premixed Flame Turbulence Generation Modification In A Taylor Couette Burner written by Amir Massoud Arjomand-Kermani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.