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Author : P. K. Ghimire
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (637 download)
Download or read book Non-equilibrium sediment transport in irrigation canals written by P. K. Ghimire and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Herman Depeweg
Publisher : CRC Press
ISBN 13 : 1315747502
Total Pages : 309 pages
Book Rating : 4.3/5 (157 download)
Download or read book Sediment Transport in Irrigation Canals written by Herman Depeweg and published by CRC Press. This book was released on 2014-10-06 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment transport in irrigation canals influences to a great extent the sustainability of an irrigation system. Unwanted erosion or deposition will not only increase maintenance costs, but may also lead to unfair, unreliable and unequitable distribution of irrigation water to the end users. Proper knowledge of the characteristics, including behaviour and transport of sediment will help to design irrigation systems, plan effi cient and reliable water delivery schedules, to have a controlled deposition of sediments, to estimate and arrange maintenance activities, etc. The main aim of these lecture notes is to present a detailed analysis and physical and mathematical descriptions of sediment transport in irrigation canals and to describe the mathematical model SETRIC that predicts the sediment transport, deposition and entrainment rate as function of time and place for various flow conditions and sediment inputs. The model is typically suited for the simulation of sediment transport under the particular conditions of non-wide irrigation canals where the flow and sediment transport are strongly determined by the operation of the flow control structures. The lecture notes will contribute to an improved understanding of the behaviour of sediments in irrigation canals. They will also help to decide on the appropriate design of the system, the water delivery plans, to evaluate design alternatives and to achieve an adequate and reliable water supply to the farmers.
Author : Herman Depeweg
Publisher : CRC Press
ISBN 13 : 0203945816
Total Pages : 236 pages
Book Rating : 4.2/5 (39 download)
Download or read book A New Approach to Sediment Transport in the Design and Operation of Irrigation Canals written by Herman Depeweg and published by CRC Press. This book was released on 2007-04-05 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transport of sediment greatly influences the sustainability of an irrigation system. Erosion and deposition not only increase maintenance costs, but may result in an inequitable and inadequate distribution of irrigation water. Understanding the behaviour and transport of sediment allows efficient planning and reliable water delivery schedules,
Author : Herman Depeweg
Publisher : CRC Press
ISBN 13 : 1138026956
Total Pages : 314 pages
Book Rating : 4.1/5 (38 download)
Download or read book Sediment Transport in Irrigation Canals written by Herman Depeweg and published by CRC Press. This book was released on 2014-10-01 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment transport in irrigation canals influences to a great extent the sustainability of an irrigation system. Unwanted erosion or deposition will not only increase maintenance costs, but may also lead to unfair, unreliable and unequitable distribution of irrigation water to the end users. Proper knowledge of the characteristics, including behaviour and transport of sediment will help to design irrigation systems, plan effi cient and reliable water delivery schedules, to have a controlled deposition of sediments, to estimate and arrange maintenance activities, etc. The main aim of these lecture notes is to present a detailed analysis and physical and mathematical descriptions of sediment transport in irrigation canals and to describe the mathematical model SETRIC that predicts the sediment transport, deposition and entrainment rate as function of time and place for various flow conditions and sediment inputs. The model is typically suited for the simulation of sediment transport under the particular conditions of non-wide irrigation canals where the flow and sediment transport are strongly determined by the operation of the flow control structures. The lecture notes will contribute to an improved understanding of the behaviour of sediments in irrigation canals. They will also help to decide on the appropriate design of the system, the water delivery plans, to evaluate design alternatives and to achieve an adequate and reliable water supply to the farmers.
Author : T. Tsujimoto
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (131 download)
Download or read book Non-equilibrium Sediment Transport written by T. Tsujimoto and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Weiming Wu
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Non-equilibrium Sediment Transport Modeling written by Weiming Wu and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qiwei Han
Publisher : Springer
ISBN 13 : 9789819711222
Total Pages : 0 pages
Book Rating : 4.7/5 (112 download)
Download or read book Non-equilibrium Transport of Non-uniform Suspended Load written by Qiwei Han and published by Springer. This book was released on 2024-05-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is based on stochastic theory of sediment motion, particularly the theory of transition intensities. It provides a complete theory and equation system of non-equilibrium transport of non-uniform suspended load. The content proposed theory reports, for the first time in literature, the general boundary condition of diffusion equations of non-equilibrium transport with transition intensities. The book also introduces the theoretical expressions of size distribution of the carrying sediment capacity, efficient bed material grade, and saturation recovery coefficient This book describes the application of non-equilibrium transport theory and provides solutions to some long-standing unsolved controversial problems related to sediment transport. It establishes a generic mathematic model of reservoir sedimentation and river channel evolution; illustrates the same transport regulars of wash load and bed material load; demonstrates the multi-valued nature of carrying-sediment capacity and its single-valued consideration; and describes the mechanism of bed material coarsening. This book is of interest to a wide audience including students, technicians, and academics, primarily working in the field of river hydra-dynamics. In addition, this book receives attention from the research community working in fields, such as hydrogeology, hydraulic engineering, river navigation, wastewater treatment, and environmental protection
Author : Sarfraz Munir
Publisher : CRC Press
ISBN 13 : 0415669472
Total Pages : 287 pages
Book Rating : 4.4/5 (156 download)
Download or read book Role of Sediment Transport in Operation and Maintenance of Supply and Demand Based Irrigation Canals: Application to Machai Maira Branch Canals written by Sarfraz Munir and published by CRC Press. This book was released on 2011-01-27 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the role of sediment transport in the operation and maintenance of demand-based downstream controlled irrigation canals. Sediment deposition in these irrigation canals severely affects the operation of the automatic flow control system. The book also discusses sediment transport modelling in irrigation canals. A simplified 1-D mathematical model SETRIC (SEdiment TRansport in Irrigation Canals) has been improved with the inclusion of downstream control component for the downstream controlled irrigation canals. Based on field measurements and sediment transport modelling, a number of approaches have been proposed for sediment management in such irrigation canals by improvement in their design and operation. This book will be of interest to Irrigation Engineers and Managers, Hydraulic Engineers, Water Resources Engineers and Managers, Civil Engineers, and Agricultural Engineers.
Author : Shivaji Shende
Publisher :
ISBN 13 : 9781681170091
Total Pages : 0 pages
Book Rating : 4.1/5 (7 download)
Download or read book Sediment Transport in Irrigation Canals written by Shivaji Shende and published by . This book was released on 2015-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An irrigation canal is a waterway, often man-made or enhanced, built for the purpose of carrying water from a source such as a lake, river, or stream, to soil used for farming or landscaping. The engineering concept of efficiency at different levels of a canal system is important for planning, designing and even operating a canal irrigation system.
Author : Shaimaa Abd Al-Amear Theol
Publisher : CRC Press
ISBN 13 : 1000069249
Total Pages : 148 pages
Book Rating : 4.0/5 ( download)
Download or read book The Use of Delft3D to Simulate the Deposition of Cohesive and Non-Cohesive Sediments in Irrigation Systems written by Shaimaa Abd Al-Amear Theol and published by CRC Press. This book was released on 2020-03-13 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment deposition threatens the performance of many irrigation systems. Because of the high impact on irrigation performance and crop production, many studies have been done on how to deal with sediment deposition. In this research, the Delft3D model, originally developed for hydro-morphologic modeling of rivers and estuaries, was adapted for the use in irrigation systems simulations and applied to different case studies. This research addresses two shortcomings of previous studies of sediments in irrigation systems. Firstly, while previous studies primarily used 1D models, this research uses a 2D/3D model. The use of 2D/3D models in irrigation systems is significant because the non-uniform flow around structures such as offtakes, weirs and gates, leads to asymmetric sedimentation patterns that are missed by 1D simulations. Secondly, whereas previous studies mostly considered non-cohesive sediments, this research simulates cohesive, non-cohesive and a mix of both sediment types. This is important for irrigation systems that draw water from natural rivers that carry a mix of cohesive and non-cohesive sediments. The findings of this research are important for irrigation system maintenance and gate operation. It is also essential for the development of canal operating plans that meet crop water requirements and at the same time minimizes sediment deposition by alternating gates.
Author : Joe C. Willis
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (359 download)
Download or read book Stream Channel Stability written by Joe C. Willis and published by . This book was released on 1981 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a stable alluvial channel, no net erosion or deposition of sediment occurs on the average. The sediment supply rate from upstream is balanced by capacity of the flow to transport the bed material. Any successful channel design must maintain this equilibrium or establish it for channel reaches that are not stable. Design relationships between the bed material transport capacity and the hydraulic variables of flow are based primarily on data from relatively small test channels. Reliable data for equilibrium transport of bed material by flows over about twenty cfs are not adequate to insure that data from small flumes can be extrapolated to prototype designs. An investigation was conducted in the 250-ft long test channel at the USDA Sedimentation Laboratory to obtain additional data on equilibrium transport by flows up to 150 cfs. Data on the transport rates, flow friction factors, and statistical properties of the bed forms were obtained. The results are presented as basic variable correlations with the controlled variables of the experiments, depth and discharge, along with attempts to generalize the relationships by similitude principles. (Author).
Author : J. Paul Guyer
Publisher : Independently Published
ISBN 13 : 9781717711908
Total Pages : 34 pages
Book Rating : 4.7/5 (119 download)
Download or read book An Introduction to Nonequilibrium Transport of Soil Sediment written by J. Paul Guyer and published by Independently Published. This book was released on 2018-07-09 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil and geotechnical engineers interested in nonequilibrium transport of soil sediment at rivers and other waterways. Here is what is discussed:1. INTRODUCTION2. SPECIFIC GAGE PLOTS3. EQUILIBRIUM VERSUS NONEQUILIBRIUM CONDITIONS4. MASS BALANCE MODELS5. NUMERICALLY MODELING THE NONEQUILIBRIUM CONDITION6. EQUATIONS OF FLOW AND CONTINUITY7. ASSUMPTIONS8. THE BOUNDARY VALUE PROBLEM9. GENERAL DATA REQUIREMENTS10. GEOMETRIC DATA11. BED-MATERIAL DATA12. HYDROLOGIC DATA13. SEDIMENT INFLOW DATA14. TEMPORAL VARIATIONS15. DATA AND PROFILE ACCURACY16. MODEL PERFORMANCE17. MODEL ADJUSTMENT18. MODEL CIRCUMSTANTIATION PROCESS19. PROCESSES TO OBSERVE20. CORRECTING POOR MODEL PERFORMANCE21. DEVELOPMENT OF BASE TEST AND ANALYSIS OF ALTERNATIVES.
Author : V. Mendez
Publisher : CRC Press
ISBN 13 : 9789054104131
Total Pages : 300 pages
Book Rating : 4.1/5 (41 download)
Download or read book Sediment Transport in Irrigation Canals written by V. Mendez and published by CRC Press. This book was released on 1998-01-01 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study focuses on sediment transport in irrigation canals which may have a serious impact on design, operation and maintenance activities. Using a mathematical model, and examing ways in which this model can be applied to real-world situations, this text is highly useful for theoreticians and students alike.
Author : Sarfraz Munir
Publisher :
ISBN 13 : 9789085858508
Total Pages : 267 pages
Book Rating : 4.8/5 (585 download)
Download or read book Role of Sediment Transport in Operation and Maintenance of Supply and Demand Based Irrigation Canals written by Sarfraz Munir and published by . This book was released on 2011 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank F. Reckendorf
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.E/5 ( download)
Download or read book Sedimentation in Irrigation Water Bodies, Reservoirs, Canals, and Ditches written by Frank F. Reckendorf and published by . This book was released on 1995 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. J. Garde
Publisher : Taylor & Francis
ISBN 13 : 9788122412703
Total Pages : 722 pages
Book Rating : 4.4/5 (127 download)
Download or read book Mechanics of Sediment Transportation and Alluvial Stream Problems written by R. J. Garde and published by Taylor & Francis. This book was released on 2000 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Third Edition Of This Book Recognises Two Important Developments That Have Taken Place In Recent Years.(1) Mathematical Modelling Of Alluvial River Processes, And(2) Environmental Aspects Relating To Sedimentation.Both Of These Factors Have Been Duly Considered In This Edition. With Its Detailed Analysis And Clear Presentation, This Book Would Be Extremely Useful For Practising Civil Engineers. It Would Also Serve As An Authoritative Reference Source For Graduate And Senior Undergraduate Civil Engineering Students.
Author : Khalid Mahmood
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (642 download)
Download or read book Sediment Equilibrium Considerations in the Design of Irrigation Canal Networks written by Khalid Mahmood and published by . This book was released on 1972 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
