Dam design and construction, reservoirs and balancing lakes. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. This video talks about the basic meaning and purpose of spillway with diagrams. History of atomic and molecular physics and basic backgrounds, atomic physics and atomic structure, molecular physics and. Sep 04, 2016 the overflow type spillway is the integral part of the dam and functions as per the dam but lets the water flow over it riskfree. This article throws light upon the eight most common types of spillways. Iii design of spillways and outlet works for dams m. Metallurgy and material science materials and energy balance in metallurgical processes jun 3, 2019 0619 by national programme on technology enhanced learning. Translation of nptel video transcripts to indian languages should be written on the left side of the outer cover and sealed. What is the difference between rotational and irrotational flow. Sep 01, 2014 side channel spillway when the dam is not rigid and it is undesirable to pass flood water over the dam, this type of spillway is used. Chapter 50 earth spillway design 502 210vineh, august 1997 c integrity analysis the integrity analysis is an evaluation of the breach potential of the spillway in passing the freeboard hydrograph.
Head discharge characteristics of an air regulated siphon are shown in figure 34. Tr20 can be used for practice standard 378 dams since it can work with 24 hour precipitation storms compatible with their design requirements. The crest of the spillway is shaped to conform to the lower nappe of a water sheet flowing over an aerated sharp crested weir. What is the difference between uniform and non uniform flow. An ogeeshaped or overflow spill way is the most commonly used spillway. Angostura dlm is a principal structure of the angostura unit of the missouri river basin project, is located on the cheyenne river in southwestern south iakota, and is an earthfill structure having a concrete overfall spillway 274 feet wide by 117.
At small discharges, nappe forces may be neglected in stability analysis. Many parameters need consideration in designing a spillway. Learn for free, pay a small fee for exam and get a certificate. Nptel civil engineering video lecture online study material. Emd should be at 2% two percent of the tender value quoted by the bidder.
Class 28 32720 broad crested weir, sharp crested weir, spillway. Sep 27, 20 types of spillway overflow type integral part of the dam straight drop spillway, h spillway hydrographs. Sep 26, 2018 what is spillway, its types siphon,chute,side channel, and hydraulic jump civil tech hindi duration. Spillway hydraulic design free overfall spillway a free overfall spillway or a straight drop spillway is a type of spillway in which the control structure consists of. Nptel video lecture topic list created by linuxpert systems, chennai get digimat digital media access terminal for highspeed video streaming of nptel and educational video courses in lan nptel video course management noc. Hydraulic design of spillways for dams identifying needs dams are critical infrastructure which provide significant benefits to communities in many ways including provision of water supply, flood mitigation, power generation and irrigation.
Hydraulic structures, equipment and water data acquisition systems vol. Gina malara charles manis shahe mankerian louis maraj roy mash gerardo pacheco matus ed meek andrew merton david moffat david a. Nptel gate preparation using nptel content video lecture. Rating is available when the video has been rented. Nptel video lectures on machinery condition monitoring and signal processing please click to view the youtube playlist 40 lectures by prof. There are few articles about flow pattern in the guide wall but in this regard, wang and chen 27, 28 studied the spillway of yutang dam to remove vortex flow and separation.
Spillway, passage for surplus water over or around a dam when the reservoir itself is full. Sengupta coordinating institute iit kanpur subtitles available unavailable mp3 audio lectures available unavailable lecture 1 lecture 2 lecture 3. It is the overflow type spillway which has a controlled weir and is ogeeshaped sshaped in profile. Part 1 blockchain simplified notes nptel moatfund medium. Which videos of nptel are a must watchbest for mechanical. The forces acting on an overflow da m or spillway section are complicated by steady state hydrodynamic effects. What is the difference between steady and unsteady flow. Hydrody namic forces result from water changing speed and direction as it flows over a spillway. Guidelines for design of dams table of contents section title page preface to the january 1 1989 edition 1 introduction 2 2 definitions 3 3 hazard classification 5 4 design and construction documents 5. What is spillway, its types siphon,chute,side channel, and hydraulic jump civil tech hindi duration. An important aspect of reservoir design is the provision of adequate spillway chute dimensions, in particular the necessary height of channel wall to contain the design flood discharge. Spillways are particularly important safety features for earth dams, protecting the dam and its foundation from erosion.
Introduction to system dynamics modeling subject coordinator prof. Search video courses nptel engineering video lectures. Shand encyclopedia of life support systems eolss where v approach velocity m s1 y approach depth m g 9. Nptel is an educational initiative, involving 7 iits bombay, delhi, guwahati, kanpur, kharagpur, madras, roorkee and iisc bangalore to promote quality education through elearning methods. Heat transfer for chemical engineers nptel youtube. This article throws light upon the four main components of a spillway. Civil engineering water resources engineering nptel. Gullying rainfall erosion of the earth on the outside edge of a spillway abutment wall will cause a displacement of soil material. Implementation of geotechnical engineering principles. Single phase, three phase, power electronics improvements, four quadrant dc to dc converter, sine triangle pwm control of converter, frontend acdc converter with harmonic control. Nptel provides courseware in the form of video lectures and web courses. At the crest of the spillway, the streamlines have a curvature.
The main goal was to create web and video courses in all. Water resources engineering ii notes pdf wre ii notes pdf. Numerical modeling of flow pattern in dam spillways guide. Nptel provides elearning through online web and video courses various. A brief details about the component parts of spillways and also about the different types of spillways. You can find most of the materialsnotes related to civil engineering. Chapter iii gravity dams federal energy regulatory. This course provides a concise introduction to the fundamental concepts in machine learning and popular machine learning algorithms. Download pdf of nptel material offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download.
Increasing freeboard or designing the spillway for the passage of larger flood flows. Atomic and molecular physics nptel this lecture note is an introduction to atomic and molecular physics with nonrelativistic quantum mechanics and elementary mathematical physics as prerequisites. Nptel, online courses and certification, learn for free. Types of spillway overflow type integral part of the dam straight drop spillway, h spillway, low height channel type isolated from the dam side channel spillway, for long crest chute spillway earth or rock fill dam drop inlet or morning glory spillway culvert spillway fall 2009 21ce154. Overflow spillways spillway crest profile the shape of the crest as well as the approach flow characteristics are important for the bottom pressure distribution of the spillway face. Your browser does not currently recognize any of the video formats available. Where, l is effective length of spillway crest and h is the total head over the spillway crest including. Nptel video lecture topic list created by linuxpert. Hence, the principal components of a storage dam would be a storage a structure to obstruct river flow, a spillway for discharging excess flood water and outlets. Spillwayhydraulic design free overfall spillway a free overfall spillway or a straight drop spillway is a type of spillway in which the control structure consists of. Principal spillway hydrographs are usually developed by either tr20 or dams2.
The emd should be included in the financial bid which will. Most of these courses consists 40 videos and 1 hour duration each. A key component of a dam is the spillway which provides a means of safely passing flood events through. Heat transfer nptel online videos, courses iit video. An ogeeshaped spillway has a control weir of ogeeshaped, which is like the elongated. The gates can be opened when a flood has to be passed.
Demonstrate and understanding of advanced fluid mechanics principles. Calculate mslope of the linear equation, lnkyintercept of the linear equation, k, and c. Lecture 1 free download as powerpoint presentation. Shand encyclopedia of life support systems eolss bibliography biographical sketch summary the main purpose of a spillway is to pass moderate floods and to prevent a dam from failing during very major floods. Go to nptel web site open the video which u wan to dowload on the top of the video u find three options video watch on youtube video download click on the 3rd tab video download u find the options for download select the appropriate type of download u want and click on it. The best example of overflow type spillway is ogee spillway. Spillway design floodsdf is the largest flow that a. The control structure of a spillway regulates and controls the outflows from the reservoir. National programme on technology enhanced learning nptel is a project of mhrd initiated by seven indian institutes of technology bombay, delhi, kanpur, kharagpur, madras, guwahati and roorkee along with the indian institute of science, bangalore in 2003, to provide quality education to anyone interested in learning from the iits.
Nptel video course aerospace engineering foundation of scientific computing subject coordinator prof. Unesco eolss sample chapters hydraulic structures, equipment and water data acquisition systems vol. This article covers the important points discussed in the four videos of blockchain course offered by nptel week 1. Theory and modeling for the lake townsend spillway replacement project greg paxson, p. They may lead over the dam or a portion of it or along a channel around the dam or a. Detailed design 6 food and agriculture organization. You can also get course completion certification for some of the courses. The discharging conduit evacuates the flow from the approach facility to. Typical failure modes for dam spillways new hampshire. Water resources engineering ii notes pdf wre ii pdf notes wre ii notes pdf file to download are listed below please check it link.
Civil engineering video lectures from nptel, iit, mit. How to download all of the lectures for a course in nptel. To get a knowledge of various types of dam understand the different elements of dam. Nptel web and video courses web courses pdfs, html files lessons in the text format files available for download files with animations equations diagrams etc video courses video files classroom lectures as delivered in a iit classroom is recorded and made available video files available for download as mp4, flv,3gp some videos are. For heads less than the design head, h e spillway is generally provided in rigid dams and forms a part of the main dam itself if sufficient length is available.
Kashid professor, walchand institute of technology solapur. It is one of the best ways to prepare for competitive exams and also to clear your basics which is important for clearing interviews, during job, further studies etc. Horizontal steps fabricated from lumber and plywood were placed in the flume providing a simulated stepped spillway with step heights of h. It is really great that you are preparing using nptel. Defining the flow pattern through the spillways guide wall is categorized as this subject and guide wall shape has meaningful effect on the flow pattern. These courses are based on the curriculum of iits and iisc provided under nptel. Version 2 lesson 8 spillways and energy dissipators nptel frizell, k. A spillway is considered breached if the spillway crest is degraded by erosion and floodwater is released through the spillway below the. Thus controlled spillways allow more storage for the same height of the dam. Soil and water conservation engineering usb media storage type. Flow over a dam spillway prepared by redahegn sileshi 3 5. Tests were conducted at near prototype conditions on an existing outdoor flume located at colorado state universitys engineering research center. Hydraulic design of stepped spillways school of civil.
Nptel, iit, lectures, courses, video, engineering, online. These notes are according to the r09 syllabus book of jntu. Nptel provides elearning through online web and video courses various streams. Spend time on studying, not for searching material to study. Up to 10,000 hours of video to be transcribed and edited on or before the closing date of nptel project.
As the name of the spillway indicates, the flow drops freely from the. In these cases, the stepped spillways are typically placed over the existing earthen embankment or auxiliary spillway. Moocs mhrd online 60 halfhour video lectures on machinery condition monitoring and signal processing. Iit nptel civil engineering online video lectures, courses, tutorials, books civil engineering bridges, autocad, structural engineering youtube civil engineering videos. The flood water discharging through the spillway has to flow down from a higher elevation at the reservoir surface level to a lower elevation at the natural river level. Siphon spillways it is designed by the principle of a siphon. The goal of this site is presently to help the undergraduates pursuing b. What are the difference between pipe flow and free surface flow. Purchase orders will be released periodically based on the availability of nptel video courses. One of the most important structural component of a dam spillway evacuates the flood wave from reservoir to river at the downstream.
1095 614 990 794 1410 34 912 558 855 232 414 1052 754 1231 1402 482 1079 818 1144 1068 359 1091 124 789 1426 517 275 859 951 535 1340 107 1436 962 1471 1477 119 265 140 1110 1423 320 1053 245