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Author : John Vincent Russell
Publisher :
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (256 download)
Download or read book Turbulence Measurements in Rivers and Tidal Channels written by John Vincent Russell and published by . This book was released on 1976 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raul S. McQuivey
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (121 download)
Download or read book Summary of Turbulence Data from Rivers, Conveyance Channels, and Laboratory Flumes written by Raul S. McQuivey and published by . This book was released on 1973 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raul S. McQuivey
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.3/5 (121 download)
Download or read book Summary of Turbulence Data from Rivers, Conveyance Channels, and Laboratory Flumes written by Raul S. McQuivey and published by . This book was released on 1972 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Owais Zahid Syed
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (288 download)
Download or read book Turbulence Measurements in a Meandering Laboratory River Channel written by Owais Zahid Syed and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of turbulence characteristics were performed in a laboratory meandering river channel. The measurements were performed using a single hot-film anemometer at five sections beginning from the apex of the first bend to the apex of the second bend. Measurements were made at different depths along the verticals at different positions across a cross section. The data gathered in this study included longitudinal velocity, relative turbulent intensity, auto-correlation functions, energy spectra, and normalized macroscale and microscale. The objectives of presenting and interpreting the data are to understand how the turbulence is affected by channel curvature and also how it changes with the depth. The average flow depth for the meandering channel was 0.40 ft. The average width of the channel was 5.42 ft. The average flow speed was 1.61 fps. The vertical profiles of the longitudinal velocity showed that the mean velocity profiles do not follow a logarithmic pattern in the upper part of the flow. For all the stations the relative turbulent intensity normalized with local mean velocity decreased with increasing distance from the bottom of the channel except near the water surface in the same location. The variation of the turbulent intensity with the relative depth was found to be non-logarithmic for all sections. The autocorrelation coefficients decreased from unity for no time lag to zero for a time lag on the order of 0.5 seconds. The energy spectra showed that most of the energy is concentrated in frequencies less than 10 Hz. The plots of normalized microscale show little depthwise variations. The plots of normalized macroscale show an S-shaped pattern in all the data
Author : Roberto Gaudio
Publisher : MDPI
ISBN 13 : 3039438999
Total Pages : 192 pages
Book Rating : 4.0/5 (394 download)
Download or read book Turbulence and Flow–Sediment Interactions in Open-Channel Flows written by Roberto Gaudio and published by MDPI. This book was released on 2021-06-04 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main focus of this Special Issue of Water is the state-of-the-art and recent research on turbulence and flow–sediment interactions in open-channel flows. Our knowledge of river hydraulics is deepening, thanks to both laboratory/field experiments related to the characteristics of turbulence and their link to erosion, transport, deposition, and local scouring phenomena. Collaboration among engineers, physicists, and other experts is increasing and furnishing new inter-/multidisciplinary perspectives to the research of river hydraulics and fluid mechanics. At the same time, the development of both sophisticated laboratory instrumentation and computing skills is giving rise to excellent experimental–numerical comparative studies. Thus, this Special Issue, with ten papers by researchers from many institutions around the world, aims at offering a modern panoramic view on all the above aspects to the vast audience of river researchers.
Author : Hiroji Nakagawa
Publisher : Routledge
ISBN 13 : 1351406604
Total Pages : 246 pages
Book Rating : 4.3/5 (514 download)
Download or read book Turbulence in Open Channel Flows written by Hiroji Nakagawa and published by Routledge. This book was released on 2017-10-02 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of open channel turbulence, focusing especially on certain features stemming from the presence of the free surface and the bed of a river. Part one presents the statistical theory of turbulence; Part two addresses the coherent structures in open-channel flows and boundary layers.
Author : Michio Sanjou
Publisher : CRC Press
ISBN 13 : 100061073X
Total Pages : 303 pages
Book Rating : 4.0/5 (6 download)
Download or read book Turbulence in Open Channels and River Flows written by Michio Sanjou and published by CRC Press. This book was released on 2022-07-20 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence in Open Channel and River Flows covers turbulence and related fluid mechanics in open-channel flows, addressing both basic mechanisms and their applications. It helps readers understand the organized motion involved in turbulent flow and apply this understanding to the practice of hydraulic engineering, including mass and sediment transport. Chapters cover mathematical expansion procedures and basic fluid mechanics to help readers understand essentially physical phenomena, and present special techniques for measurement and accurate direct observation of open-channel turbulence in laboratory flumes or natural rivers. Topics related to environmental management and turbulence-related disasters are addressed. Includes detailed mathematical expansions and supporting supplements in an appendix Presents the mathematics and fluid mechanics needed to understand turbulence in open channels Includes experimental topics from the author’s research, encouraging readers to measure and accurately observe turbulence in laboratories and rivers The book is ideal for graduate students, researchers and engineers in hydraulics and hydromechanics.
Author : Ronald van der Ham
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (318 download)
Download or read book Turbulent Exchange of Fine Sediments in Tidal Flow written by Ronald van der Ham and published by . This book was released on 1999 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michele Mossa
Publisher : MDPI
ISBN 13 : 303897594X
Total Pages : 286 pages
Book Rating : 4.0/5 (389 download)
Download or read book Turbulence in River and Maritime Hydraulics written by Michele Mossa and published by MDPI. This book was released on 2019-03-08 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding of the role of turbulence in controlling transport processes is of paramount importance for the preservation and protection of aquatic ecosystems, the minimization of the deleterious consequences of anthropogenic activity, and the successful sustainable development of river and maritime areas. In this context, the present Special Issue collects 15 papers which provide a representation of the present understanding of turbulent processes and their effects in river and maritime environments. The presented collection of papers is not exhaustive, but it highlights the key priority areas and knowledge gaps in this field of research. The published papers present the state-of-the-art knowledge of complex environmental flows which are useful for researchers and practitioners. The paper contents are an overview of some recent topics of research and an exposure of the current and future challenges associated with these topics.
Author : Justine McMillan
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Turbulence Measurements in a High Reynolds Number Tidal Channel written by Justine McMillan and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ka Leung Lee
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (279 download)
Download or read book Turbulence Measurements in Open-channel Flow with Transverse Bed Slope written by Ka Leung Lee and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a meandering river, both the bends and the transverse bed slopes influence the turbulence in the flow. As part of a research project to study the turbulence characteristics in a meandering laboratory river channel, turbulence measurements were made in a straight flume with a transversely sloping plane bed to evaluate the effect of the transverse bed slope. The flume was 30 in. wide and had a 10% transverse bed slope. The bottom of the flume was formed by sand of 2 mm nominal size coated with paint. The depths were 0.4 in. on the shallow side and 3.5 in. on the deep side. The average velocity was 1.3 ft/s. Constant temperature hot film anemometry was used and all measurements were made with single sensor probes. Some problems encountered in the application of hot film anemometry are discussed. A detailed account of the development of the techniques for data acquisition, processing and analysis is also given. The parameters used to characterize the turbulence include the mean velocity, turbulent intensity, autocorrelation coefficient, cross-correlation coefficient, spectrum, macroscale, Taylor microscale, energy dissipation rate, Kolmogorov microscale, and skewness and kurtosis of the probability distribution of the velocity fluctuations. Some of the variations of these parameters can be attributed to the depth variation and velocity variation across the flume. The mean velocities on a vertical normalized with respect to the depth-averaged velocity were found to vary in a similar way with the relative depth for different verticals. The same observation is obtained for the relative turbulent intensity, the energy dissipation rate and the Kolmogorov micro-length scale. For the other parameters, interesting patterns of variation can be identified. These findings will be compared with those of similar measurements in the meandering laboratory river channel so that the effect of transverse bed slope on the turbulence in natural river flow can be evaluated
Author : R. S. McQuivey
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.3/5 (121 download)
Download or read book Principles and Measuring Techniques of Turbulence Characteristics in Open-channel Flows written by R. S. McQuivey and published by . This book was released on 1973 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard Freeland
Publisher : Springer Science & Business Media
ISBN 13 : 1461331056
Total Pages : 691 pages
Book Rating : 4.4/5 (613 download)
Download or read book Fjord Oceanography written by Howard Freeland and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 691 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fjords are deep, glacia11y carved estuaries that are pecu1iar to certain coast1ines, and have severa1 characteristics that dist inguish them from sha110wer embayments. At higher latitudes they indent the western coast1ines of Scandinavia, North and South America, and New Zea1and. They are a1so a common feature of much of the arctic coast1ine. The papers contained in this vo1ume were presented at a workshop funded by the NATO Advanced Studies Institute in Victoria, British Co1umbia. It may seem curious to the reader that this specia1 c1ass of estuaries shou1d have attracted an international gathering of oceanographers from severa1 different discip1ines. The reas on for this interest stems from both practica1 and scientific considerations. On the one hand, fjords are a feature common to the coast1ines of severa1 countries that depend heavi1y on the oceans for communication, fisheries and other resources. The impact of man's activities on these coasts has created a demand for new know1edge of the physica1, bio10gica1 and chemica1 aspects of fjords. Sometimes man's inf1uence on the ocean is intentiona1 as, for examp1e, in the artificia1 contro1 of ice cover; often it is the more insidious bui1d-up of toxic wastes that is of concern. These prob1ems are particu1ar1y acute where the conf1icting demands of fisheries, industria1 deve10pment and re creation meet in a sing1e fjord; and indeed, this is a common occurence a10ng severa1 of the fjords in Scandinavia and Canada.
Author : Akira Wada
Publisher : World Scientific
ISBN 13 : 9789812777591
Total Pages : 890 pages
Book Rating : 4.7/5 (775 download)
Download or read book Advances in Fluid Modeling & Turbulence Measurements written by Akira Wada and published by World Scientific. This book was released on 2002 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an essential reference for engineers and scientists working in the field of turbulence. It covers a variety of applications, such as: turbulence measurements; mathematical and numerical modeling of turbulence; thermal hydraulics; applications for civil, mechanical and nuclear engineering; environmental fluid mechanics; river and open channel flows; coastal problems; ground water.
Author : Luino Dell'Osso
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (1 download)
Download or read book Turbulence Measurements in Water in an Open Channel with the Hot-film Anenometer written by Luino Dell'Osso and published by . This book was released on 1966 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nobu Mori
Publisher : World Scientific
ISBN 13 : 9814488720
Total Pages : 888 pages
Book Rating : 4.8/5 (144 download)
Download or read book Advances In Fluid Modeling And Turbulence Measurements, Proceedings Of The 8th International Symposium On Flow Modeling And Turbulence Measurements (Fmtm 2001) written by Nobu Mori and published by World Scientific. This book was released on 2002-07-19 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an essential reference for engineers and scientists working in the field of turbulence. It covers a variety of applications, such as: turbulence measurements; mathematical and numerical modeling of turbulence; thermal hydraulics; applications for civil, mechanical and nuclear engineering; environmental fluid mechanics; river and open channel flows; coastal problems; ground water.
Author : F. Dobson
Publisher : Springer Science & Business Media
ISBN 13 : 1461591821
Total Pages : 797 pages
Book Rating : 4.4/5 (615 download)
Download or read book Air-Sea Interaction written by F. Dobson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 797 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past decade, man's centuries-old interest in marine me teorology and oceanography has broadened. Ocean and atmosphere are now treated as coupled parts of one system; the resulting interest in air-sea interaction problems has led to a rapid growth in the sophistication of instruments and measurement techniques. This book has been designed as a reference text which describes, albng with the instruments themselves, the accumulated practical experi ence of experts engaged in field observations of air-sea interac tions. It is meant to supplement rather than replace manuals on standard routine observations or instnunentation handbooks. At the inception a textbook was planned, which would contain only well tested methods and instruments. It was quickly discovered that for the book to be useful many devices and techniques would have to be included which are still evolving rapidly. The reader is therefore cautioned to take nothing in these pages for granted. Certainly, every contributor is an expert, but while some are back ed up by generations of published work, others are pioneers. The choice of topics, of course, is debatable. The types of observa tions included are not exhaustive and topics such as marine aero sols and radio-tracers are omitted, as was the general subject of remote sensing, which was felt to be too broad and evol ving too rapidly. The guideline adopted in limiting size was maximum use fulness to 'a trained experimentalist new to the field'.
