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Author : Hubert Chanson
Publisher :
ISBN 13 : 9780867764987
Total Pages : 23 pages
Book Rating : 4.7/5 (649 download)
Download or read book Drag Reduction in Self-aerated Flows written by Hubert Chanson and published by . This book was released on 1992 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. K. Chin
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (31 download)
Download or read book Drag Reduction in Self-aerated Flows written by C. K. Chin and published by . This book was released on 1992 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Feng-Chen Li
Publisher : John Wiley & Sons
ISBN 13 : 1118181115
Total Pages : 233 pages
Book Rating : 4.1/5 (181 download)
Download or read book Turbulent Drag Reduction by Surfactant Additives written by Feng-Chen Li and published by John Wiley & Sons. This book was released on 2012-01-10 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent drag reduction by additives has long been a hot research topic. This phenomenon is inherently associated with multifold expertise. Solutions of drag-reducing additives are usually viscoelastic fluids having complicated rheological properties. Exploring the characteristics of drag-reduced turbulent flows calls for uniquely designed experimental and numerical simulation techniques and elaborate theoretical considerations. Pertinently understanding the turbulent drag reduction mechanism necessities mastering the fundamentals of turbulence and establishing a proper relationship between turbulence and the rheological properties induced by additives. Promoting the applications of the drag reduction phenomenon requires the knowledge from different fields such as chemical engineering, mechanical engineering, municipal engineering, and so on. This book gives a thorough elucidation of the turbulence characteristics and rheological behaviors, theories, special techniques and application issues for drag-reducing flows by surfactant additives based on the state-of-the-art of scientific research results through the latest experimental studies, numerical simulations and theoretical analyses. Covers turbulent drag reduction, heat transfer reduction, complex rheology and the real-world applications of drag reduction Introduces advanced testing techniques, such as PIV, LDA, and their applications in current experiments, illustrated with multiple diagrams and equations Real-world examples of the topic’s increasingly important industrial applications enable readers to implement cost- and energy-saving measures Explains the tools before presenting the research results, to give readers coverage of the subject from both theoretical and experimental viewpoints Consolidates interdisciplinary information on turbulent drag reduction by additives Turbulent Drag Reduction by Surfactant Additives is geared for researchers, graduate students, and engineers in the fields of Fluid Mechanics, Mechanical Engineering, Turbulence, Chemical Engineering, Municipal Engineering. Researchers and practitioners involved in the fields of Flow Control, Chemistry, Computational Fluid Dynamics, Experimental Fluid Dynamics, and Rheology will also find this book to be a much-needed reference on the topic.
Author : Hubert Chanson
Publisher : Elsevier
ISBN 13 : 0080526896
Total Pages : 403 pages
Book Rating : 4.0/5 (85 download)
Download or read book Air Bubble Entrainment in Free-Surface Turbulent Shear Flows written by Hubert Chanson and published by Elsevier. This book was released on 1996-10-11 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book develops an analysis of the air entrainment processes in free-surface flows. These flows are investigated as homogeneous mixtures with variable density. Several types of air-water free-surface flows are studied: plunging jet flows, open channel flows, and turbulent water jets discharging into air. Experimental observations reported by the author confirm the concept that the air-water mixture behaves as a homogeneous compressible fluid in each case. This book will be of great interest to professionals working in many fields of engineering: chemical, civil, environmental, mechanical, mining, metallurgy, and nuclear. Covers new information on the air-water flow field: air bubble distributions, air-water velocity profiles, air bubble sizes and bubble-turbulence interactions Features new analysis is developed for each flow configuration and compared successfully with model and prototype data Includes over 372 references and more than 170 figures with over 60 photographs Presents useful information for design engineers and research-and-development scientists who require a better understanding of the fluid mechanics of air-water flows
Author : Hubert Chanson
Publisher : Elsevier
ISBN 13 : 0080472699
Total Pages : 485 pages
Book Rating : 4.0/5 (84 download)
Download or read book Environmental Hydraulics for Open Channel Flows written by Hubert Chanson and published by Elsevier. This book was released on 2004-10-14 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Hydraulics is a new text for students and professionals studying advanced topics in river and estuarine systems. The book contains the full range of subjects on open channel flows, including mixing and dispersion, Saint-Venant equations method of characteristics and interactions between flowing water and its surrondings (air entrainment, sediment transport). Following the approach of Hubert Chanson's highly successful undergraduate textbook Hydraulics of Open Channel Flow, the reader is guided step-by-step from the basic principles to more advanced practical applications. Each section of the book contains many revision exercises, problems and assignments to help the reader test their learning in practical situations. ·Complete text on river and estuarine systems in a single volume ·Step-by-step guide to practical applications ·Many worked examples and exercises
Author : A. Gyr
Publisher : Springer
ISBN 13 : 9789401712965
Total Pages : 236 pages
Book Rating : 4.7/5 (129 download)
Download or read book Drag Reduction of Turbulent Flows by Additives written by A. Gyr and published by Springer. This book was released on 2013-01-12 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drag Reduction of Turbulent Flows by Additives is the first treatment of the subject in book form. The treatment is extremely broad, ranging from physicochemical to hydromechanical aspects. The book shows how fibres, polymer molecules or surfactants at very dilute concentrations can reduce the drag of turbulent flow, leading to energy savings. The dilute solutions are considered in terms of the physical chemistry and rheology, and the properties of turbulent flows are presented in sufficient detail to explain the various interaction mechanisms. Audience: Those active in fundamental research on turbulence and those seeking to apply the effects described. Fluid mechanical engineers, rheologists, those interested in energy saving methods, or in any other application in which the flow rate in turbulent flow should be increased.
Author : Haecheon Choi
Publisher :
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.F/5 ( download)
Download or read book Turbulent Drag Reduction written by Haecheon Choi and published by . This book was released on 1992 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter North Blossey
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.E/5 ( download)
Download or read book Drag Reduction in Near-wall Turbulent Flow written by Peter North Blossey and published by . This book was released on 1999 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Drag Reduction for Turbulent Boundary Layer Flows Using an Oscillating Wall written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research program used experimental measurements and computational simulations to study the drag reduction, and the resulting effects on turbulence structure, for a turbulent wall flow subjected to lateral wall oscillations. Major objectives for this study were to establish wall oscillation conditions resulting in maximum drag reduction, and how the turbulence structure was altered so that this drag reduction was attained. Furthermore we were interested in the drag reduction performance over a range of Reynolds numbers, and the onset of the drag reduction at the start of the oscillating wall section, and the decay of drag reduction downstream of the oscillating wall. Our experiments showed the maximum drag reduction for an oscillating wall is 30%. Furthermore, the drag reduction reaches an asymptotic level with increasing wall oscillation velocity, with the maximum level occurring by approximately W sub wp=15. Drag reduction performance was tested for Reynolds numbers of Re theta =500, 950, 1400 and 2400, and the performance was found to be independent of Reynolds number for this range. Experimental and computational studies of the turbulence structure showed the oscillating wall has dramatic effect in practically eliminating the streak structures. Furthermore, the burst and sweep structures were suppressed.
Author : Michele Mossa
Publisher : CRC Press
ISBN 13 : 1482259893
Total Pages : 247 pages
Book Rating : 4.4/5 (822 download)
Download or read book Fluvial, Environmental and Coastal Developments in Hydraulic Engineering written by Michele Mossa and published by CRC Press. This book was released on 2004-12-05 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprising the Proceedings of the International Workshop on State-of-the-Art Hydraulic Engineering held in Bari, Italy on 16-19 February 2004, this volume presents an in-depth investigation of the energy loss of skimming flows under a range of discharges, step and dam heights, and channel slopes. Including a wealth of information, the volume is div
Author : C. Sinclair Wells
Publisher : Springer
ISBN 13 : 1489955798
Total Pages : 497 pages
Book Rating : 4.4/5 (899 download)
Download or read book Viscous Drag Reduction written by C. Sinclair Wells and published by Springer. This book was released on 2013-12-20 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert H. J. Sellin
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.:/5 (31 download)
Download or read book Drag Reduction in Fluid Flows written by Robert H. J. Sellin and published by . This book was released on 1989 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. Coustols
Publisher : Springer
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.3/5 (91 download)
Download or read book Turbulence Control by Passive Means written by E. Coustols and published by Springer. This book was released on 1990-11-30 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 4th European Drag Reduction Meeting
Author : Farhad Yazdandoost
Publisher : Taylor & Francis
ISBN 13 : 1135290873
Total Pages : 610 pages
Book Rating : 4.1/5 (352 download)
Download or read book Hydraulics of Dam and River Structures written by Farhad Yazdandoost and published by Taylor & Francis. This book was released on 2004-08 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the papers of the International Conference on Hydraulics of Dams and Rivers Structures, held in Tehran, 26-28 April 2004. The topics covered include air-water flows, intakes and outlets, hydrodynamic forces, energy dissipators, stepped spillways, scouring and sedimentation around structures, numerical approaches in river hydrodynamics, river response to hydraulic structures and hydroinformatic applications. This proceedings provides professionals and researchers with news of interdisciplinary research findings, considering future development of the sector in its many and various applications.
Author : Herbert Simon Stephens
Publisher : Bhra Fluid Engineering
ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.F/5 ( download)
Download or read book Drag Reduction written by Herbert Simon Stephens and published by Bhra Fluid Engineering. This book was released on 1977 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert J. Daniello
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (67 download)
Download or read book Drag Reduction in Turbulent Flows Over Micropatterned Superhydrophobic Surfaces written by Robert J. Daniello and published by . This book was released on 2009 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keizo Watanabe
Publisher :
ISBN 13 : 9781681080857
Total Pages : 117 pages
Book Rating : 4.0/5 (88 download)
Download or read book Laminar Drag Reduction written by Keizo Watanabe and published by . This book was released on 2015-06-05 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: The phenomenon of resistance to motion through a fluid is believed to be a function of fluid-wall interaction. This theory is based on the assumption that under certain conditions a real fluid does not usually slip on the wall in contact with it and displ
