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Author : Martin Agelin-Chaab
Publisher :
ISBN 13 : 9780494785119
Total Pages : pages
Book Rating : 4.7/5 (851 download)
Download or read book Experimental Study of Three-Dimensional Offset Jets and Wall Jets written by Martin Agelin-Chaab and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Agelin-Chaab
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (855 download)
Download or read book Experimental Study of Three-dimensional Turbulent Offset Jets and Wall Jets written by Martin Agelin-Chaab and published by . This book was released on 2011 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence kinetic energy -- particle image velocimetry -- proper orthogonal decomposition -- two-point velocity correlations -- triple velocity products -- harpin vortex -- turbulenc production.
Author : V. P. Maslov
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book An Experimental Study of Three-dimensional Wall Jets written by V. P. Maslov and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rodney Brewer Rask
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (179 download)
Download or read book An Experimental Study of Two-dimensional and Three-dimensional Curved Wall Jets written by Rodney Brewer Rask and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zacharie Durand
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Experimental Study of Tailwater Level and Asymmetry Ratio Effects on Three-dimensional Offset Jets written by Zacharie Durand and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supercritical fluid jets provide a complex flow pattern and are present in many engineering applications. To date, studies have focused on wall jets, free jets, and two-dimensional offset jets. As a result, our understanding of three-dimensional offset jets is lacking. A deeper understanding of three-dimensional offset jets is important as they are seen in many engineering applications. Understanding the flow patterns of three-dimensional offset jets will aid hydraulic engineers to reduce anthropogenic effects when designing new and rehabilitating older hydraulic structures. The purpose of this study was to evaluate the effects of tailwater level and asymmetry ratio on three-dimensional offset jets. A physical model was constructed and three sets of experiments were conducted. Each set of experiments evaluated the effects of the Reynolds number, tailwater level, or asymmetry ratio. Velocity measurements were taken with an acoustic Doppler velocimeter. The acoustic Doppler velocimeter measured all three components of velocity which allowed the calculation of all six components of Reynolds shear stresses and ten components of triple velocity correlation. The effects of Reynolds number, tailwater level, and asymmetry ratio on streamwise flow development, distributions of mean velocities, and distribution of turbulence statistics were evaluated. Reynolds number effects were found to be insignificant at Reynolds number greater than 53,000. Two different trends were observed in the behavior of three-dimensional offset jets at different tailwater levels. At low tailwater levels the jet will not reattach to the channel bottom as it does at higher tailwater levels. Increasing the asymmetry ratio of an offset jet will make the jet curve towards the channel wall and bottom faster. Once reattached to the wall the velocity decay rate is greatly reduced. The results found in this study will be useful to a hydraulic engineer designing new or rehabilitating older hydraulic structures which have flow characteristics similar to that of three-dimensional offset jets. The data acquired during this study adds to the available data usable for calibration and validation of turbulence models. All three components of velocity were measured simultaneously which allowed to calculation of the six Reynolds shear stresses and ten triple velocity correlation terms. All velocities and turbulence statistics in this study were measured simultaneously which provides a data set that has rarely been seen before.
Author : George Dominic Catalano
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (378 download)
Download or read book An Experimental Investigation of a Three Dimensional Wall Jet written by George Dominic Catalano and published by . This book was released on 1977 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Uday M. Patankar
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (18 download)
Download or read book An Experimental Investigation of Three-dimensional Curved Wall Jets written by Uday M. Patankar and published by . This book was released on 1970 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Baafour Nyantekyi-Kwakye
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Experimental Investigation on the Flow Characteristics of Three-dimensional Turbulent Offset Jets written by Baafour Nyantekyi-Kwakye and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental study was designed to investigate the effect of different parameters on the development and structure of turbulent 3D offset jets. The present investigation considered the effects of offset height ratio, expansion ratio, surface roughness and rib placement on the flow dynamics of a turbulent 3D offset jet. The velocity measurements were performed using an acoustic Doppler velocimetry (ADV) and particle image velocimetry (PIV). Measurements were conducted within the symmetry and lateral planes. For the PIV technique, the measurements in the symmetry and lateral planes were conducted over a streamwise range of 0 ≤ x/bo ≤ 80 and 12 ≤ x/bo ≤ 60, respectively (where bo is the nozzle height). Likewise, velocity measurements using the ADV technique were conducted over a range of 4 ≤ x/bo ≤ 45 in both the symmetry and lateral planes. The velocity measurements were analyzed using both one-point and multi-point statistics. The one-point statistics included profiles of the mean velocities, Reynolds stresses and some of the budget terms in the turbulent kinetic energy transport equation. The quadrant analysis technique was used to investigate the dominant events that contribute towards the Reynolds shear stress. The two-point correlation analysis was used to investigate how the turbulence quantities are correlated. Information obtained from the two-point correlation analysis was also used to investigate the inclination of vortical structures within the inner and outer shear layers of the 3D offset jet. The direction of the positive mean shear gradient played an active role in the inclination of these vortical structures within the inner and outer shear layers. The reattachment process resulted in the breakdown of these structures within the developing region. Similarly, various length scales were estimated from these structures. The proper orthogonal decomposition was used to examine the distribution of the turbulent kinetic energy within the offset jet flow. Also, the dynamic role of the large scale structures towards the turbulent intensities, turbulent kinetic energy and Reynolds shear stress was investigated.
Author : Scott Walbridge
Publisher : Springer Nature
ISBN 13 : 9811910650
Total Pages : 686 pages
Book Rating : 4.8/5 (119 download)
Download or read book Proceedings of the Canadian Society of Civil Engineering Annual Conference 2021 written by Scott Walbridge and published by Springer Nature. This book was released on 2022-06-02 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the proceedings of the Annual Conference of the Canadian Society of Civil Engineering 2021. The contents of this volume focus on specialty conferences in construction, environmental, hydrotechnical, materials, structures, transportation engineering, etc. This volume will prove a valuable resource for those in academia and industry.
Author : Christos D. Tsitouras
Publisher :
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.:/5 (157 download)
Download or read book Experimental Study of Three-dimensional Turbulent Jet-solid Boundary Interaction written by Christos D. Tsitouras and published by . This book was released on 1987 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zdravko Milan Gabrijel
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (449 download)
Download or read book An Experimental investigation of three dimensional incompressible wall jets on curved surfaces written by Zdravko Milan Gabrijel and published by . This book was released on 1972 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John S. Gulliver
Publisher : Springer Science & Business Media
ISBN 13 : 1461457319
Total Pages : 375 pages
Book Rating : 4.4/5 (614 download)
Download or read book Transport and Fate of Chemicals in the Environment written by John S. Gulliver and published by Springer Science & Business Media. This book was released on 2012-12-12 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: What happens when a chemical is released into the environment? It diffuses, disperses, adsorbs, reacts, and/or changes state. To predict and analyze this process, the mathematics of diffusion is applied to lakes, rivers, groundwater, the atmosphere, the oceans, and transport between these media. A sustainable world requires a deep understanding of the transport of chemicals through the environment and how to address and harness this process. This volume presents a succinct and in-depth introduction to this critical topic. Featuring authoritative, peer-reviewed articles from the Encyclopedia of Sustainability Science and Technology, Transport and Fate of Chemicals in the Environment represents an essential one-stop reference for an audience of researchers, undergraduate and graduate students, and industry professionals.
Author : Douglas Howard Neale
Publisher :
ISBN 13 :
Total Pages : 534 pages
Book Rating : 4.:/5 (24 download)
Download or read book Experimental Study of Two-dimensional Turbulent Wall Jet Development with and Without Longitudinal Free Stream Pressure Gradient written by Douglas Howard Neale and published by . This book was released on 1971 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental study of various wall jet flows was conducted. The major areas of investigation were: The wall jet injected into still air; The wall jet under a constant-pressure main-stream flow; The wall jet subjected to an adverse pressure gradient imposed by a retarded main-stream flow with a substantially thickened initial boundary layer; The wall jet subjected to an adverse pressure gradient imposed by a retarded main-stream flow with a thickened and distorted initial boundary layer. Detailed velocity profile and local skin friction measurements were made at numerous streamwise distances from the jet slot. For the case in which no main-stream flow was present, the studies were carried out for a wide range of slot Reynolds numbers. For the wall jets with main-stream flow, selected ratios of free-stream velocity to jet velocity at the jet slot were investigated. The growth of characteristic thickness and decay of jet peak velocity is presented for all wall jet studies. Also, velocity and temperature profile similarity is described. Skin friction laws are shown for the constant-pressure wall jets and a single 'law of the wall' valid for all wall jet studies is set forth. Finally, the skin friction and velocity profile measurements are presented in tabular form. (Author).
Author : Hermann Viets
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (216 download)
Download or read book An Experimental Investigation of a Turbulent, Incompressible, Three-dimensional Wall Jet written by Hermann Viets and published by . This book was released on 1966 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents an experimental investigation of the bulk properties of a turbulent, three-dimensional, incompressible air wall jet issuing into a quiescent air ambient from a rectangular orifice parallel to and at the surface of a flat plate. Results of this study indicate the characteristic features of such a dissipative flow. The behavior of a three-dimensional flow field of this nature has associated with it three distinct regions in the axis velocity decay with an approach to the flow field of a radial wall jet far downstream of the jet exit and on the centerline of the flow. Spreading rates in the various cross planes display a dependence upon the aforementioned characteristic regions. (Author).
Author : X. Liu
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 ( download)
Download or read book Experimental Study on the Diffusion and Aeration of a Three-dimensional Jet written by X. Liu and published by . This book was released on 1989 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George Willis Carroll
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (258 download)
Download or read book Theoretical and experimental investigation of three dimensional turbulent missing in jets and ducts written by George Willis Carroll and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
