Governing and limitation of a pelton turbine introduction to reaction type of hydraulic turbine a francis turbine analysis of force on francis runner and power generation axial. Flow control according to load power need courtesy web. A m pradeep, department of aerospace engineering, iit bombay. Degree of reaction turbines behave according to the same principles of dynamic energy exchange as compressors. The flow limitations for turgo turbines need to be established in relation to pcd andor cup size similar to the way it has been established for pelton turbines.
Courses principle of hydraulic machines and system design. However they differ from compressors in some important ways. In the pelton turbine water jets impacts on the blades of the turbine. Banerjee,department of electrical engineering, iit kharagpur. Power plant lecture notes chapter2 steam power plant cycles. Which of the following hydraulic turbines are reaction turbine. First since they extract energy from the flow rather than adding it, the pressure drops throughout a turbine. Explain the general principles of pelton wheels kaplan turbines francis turbine construct blade vector diagrams for moving vanes for a pelton wheels and a francis turbine. This is especially true for high m o flight, when a major portion of the overall temperature and pressure rise of. Pdf easyengineering team internal combustion engine. Lec11 basic concept of turbine, velocity diagram youtube. One part of the course is on ic engines and it focuses on the thermodynamic cycles for different fuels suitable for automobiles.
This is usually accomplished in one or more nozzles. Pumps and turbines autumn 20 objectives 1 understand the role of pumps and turbines as energyconversion devices and use, appropriately, the terms head, power and efficiency. Uses the potential energy and kinetic energy of water and rotate the rotor by dynamic action of water. To obtain characteristics curves graph for qu, pu, efficiency vs nu at full,46and 26 gate openings forgiven pelton wheel.
I welcome you all for our continued discussion on hydraulic turbines. Introduction to fluid machines and compressible flow by prof. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Study material from nptel civil engineering department. Thus the mechanical energy is converted into electrical energy. In the last lecture we have talked about the pelton turbine which is an impulse type of. The courses of curriculum are structured at different 5 levels i. Carolus 082009 historic windmill in holland blades twisted adjustable flaps retractable cloth covering of the blades for wheat grinding.
Flow control according to load power need courtesy. Pelton wheel pelton turbine hydropower 3d animation duration. In a pelton turbine or pelton wheel water jets impact on the blades of the turbine making the wheel rotate, producing torque and power. For the love of physics walter lewin may 16, 2011 duration. Nptel material is available for free on nptel website. Nptel mechanical engineering video lecture online study material. Turbomachinery aerodynamics nptel online videos, courses iit video lectures.
Lecture 3 aerodynamic wind turbine design an introduction. Pelton turbines download ebook pdf, epub, tuebl, mobi. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. Find materials for this course in the pages linked along the left. Hydraulic turbines hydraulic turbines convert hydraulic energy of water into mechanical energy which is further converted into electrical energy. These courses are based on the curriculum of iits and iisc provided under nptel. Turbine types for micro hydro, their constructional features and operational characteristics, effect on efficiency during part flow conditions, nomogram and turbine selection, comparison of costs of the turbines 3. Pelton turbine is an impulse turbine as there is no pressure drop across the buckets. Kaplin turbines, francis turbines, pelton turbines, flow through kaplin turbine, performance parameters of kaplan turbine.
Kaplin turbines, francis turbines, pelton turbines, flow through kaplin turbine, performance parameters of kaplan turbine, tangential force. This internal combustion engine study materials contains all the formulae and important theoretical aspects of mechanical engineering. Lecture 3 aerodynamic wind turbine design an introduction th. This video lecture, part of the series turbomachinery aerodynamics by prof. Pelton turbines are classical hydraulic machines to convert stream flow energy into electricity for medium to high heads.
The hydraulic machines which convert hydraulic energy into mechanical energy are known as turbines and that convert mechanical energy into hydraulic energy is known as pumps. Carolus universitat siegen institut fur fluidund thermodynamik n09085 a2 universitat siegen institut fur fluidund thermodynamik 1. Lecture series on energy resources and technology by prof. The basic setup must be able to cope with the stresses of the worst weather, not just the ambient wind on a nice breezy day. Later this mechanical energy can be converted into electrical energy with the help of an electrical alternator. And the condition for which we have the blade efficiency or. Nptel transportation engineering nptel video lectures from. The ideal pelton runner absolute velocity from nozzle. Turbomachinery aerodynamics online course video lectures. You can find them according to your branch and subject in the below link national mission on education through ict this was initiated by iit madras. The design procedure of the pelton turbine which is used in microhydro power. This energy obtained is know as hydroelectric power which is one of the cheapest forms of energy generation. The water turbines converts the energy possesed by the water to mechanical energy.
Lecture series on applied thermodynamics for marine systems by prof. Vtu nptel nmeict project progress report the project on development of remaining three quadrants to nptel phasei under grant in aid nmeict, mhrd, new delhi. Pdf power plant lecture notes chapter6 gas turbines. Turbines revolutionized airplane propulsion in the 1940s, and in the 1990s through today have been a popular choice for new power generation plants in the united states. Mechanical introduction to fluid machines and compressible.
The simplest turbines have one moving part, a rotor assembly, which is a shaft or drum with blades attached. Hydraulics and hydraulic machinery notes pdf hhm notes pdf. Turbomachinery aerodynamics nptel online videos, courses. Banerjee,department of electrical engineering, iit. Pelton turbine working, advantages, disadvantages full. In this course, professor soumitro banerjee, department of electrical engineering, iit kharagpur nptel, gives 40 video lectures on the concepts of energy resources and technology, such as thermodynamics, fossil fuels, hydroelectric power, nuclear power generation, solar thermal energy conversion, photovoltaic power, wind energy, tidal energy, magnetohydrodyn amic power generation, geothermal. Introduction the first successful application of the gas turbine for electricity generation was the 4 mw plant installed by brown boveri in neuchatel, switzerland, in. Hydraulic turbines are being used from very ancient times to harness the energy stored in flowing streams, rivers and lakes. Web courses are available in html format, pdf downloads with illustration, animation 2d, 3d, lab demos, video clippings course name. The earliest patent on gas turbine was that of the englishman, john barber, in year 1879. Distributed under creative commons attributionsharealike cc bysa. Last class we discussed the power developed by pelton wheel and how the hydraulic efficiency and the overall efficiencies are defined. This lecture deals with laying a suitable foundation for your wind turbine and choosing an appropriate tower.
Engineering advancements pioneered the development of gas turbines in the early 1900s, and turbines began to be used for stationary electric power generation in the late 1930s. Numerical on pelton turbine part 2 hindi hydraulic turbines. Learn more about design, analysis, working principle and applications of pelton wheel turbine. Hydraulic turbines and hydroelectric power plants 1. Water turbines when you have completed this tutorial you should be able to explain the significance of specific speed to turbine selection. Building materials and construction 140602 engineering geology 140604. Mechanical engineering curriculum government polytechnic nashik. Mod01 lec07 analysis of force on the bucket of pelton.
You will find all pdf s and also as mp3 file for all video lectures which are in nptel. Lecture on francis turbine indian institute of technology. The pelton turbine is the most efficient of hydro turbines. Rocket turbine design emphasizes power density, because of the overriding concern for mass saving. In this module we shall discuss the governing principles of various types of hydraulic turbines used in hydroelectric power stations. The governor does this function by controlling the steam flow through the turbine by adjusting the control value. This mechanical energy is used in running an electric generator which is directly coupled to the shaft of the turbine. Therefore, pelton wheels have only one turbine stage, unlike gas turbines that operate with compressible fluid. Moving fluid acts on the blades, or the blades react to the flow, so that they move and impart rotational energy to the rotor. How to download all of the lectures in pdf for a course in.
The turbine is to be installed at a site where the gross head is 70 m and the pipe line head loss is 2 m when operating at the rated flow of 2. Nptel mathematics video lecture online study material. A turgo turbine and turbine generator set that can be easily built using basic manufacturing techniques should be identified. We are going to talk about pelton turbine, in the next lecture, in the next class we will talk about francis and kaplan turbine. Efficiency, while clearly a consideration, takes a less prominent role than in aircraft turbine design.
Turbines are defined as the hydraulic machines which convert hydraulic energy into mechanical energy. Feb 15, 2017 turbines and pumps lecture mechanical engineering pumps and turbines hydraulic turbine hydro turbine pelton turbine francis turbine kaplan turbine afreenali. Saravanamuttoo encyclopedia of life support systems eolss 1. Transportation engineering video lectures, transportation engineering course videos, nptel transportation engineering, transportation engineering video classes, transportation engineering online videos, civil engineering video lectures, nptel video lectur. Claude burdin coined the term from the latin turbinis, or vortex, during an 1828 engineering. While the gas generator, composed of the compressor, combustor and turbine, is the heart of any gas turbine engine, the overall performance of the propulsion system is strongly influenced by the inlet and the nozzle. Pelton turbine with six nozzles has a specific speed of 8. Search video courses nptel engineering video lectures. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Pdf power plant lecture notes chapter7 hydrowater power. This site is like a library, use search box in the widget to get ebook that you want. Here you can download the free lecture notes of hydraulics and hydraulic machinery notes pdf hhm notes pdf materials with multiple file linksthe hydraulics and hydraulic machinery pdf notes hhm pdf notes. Pdf power plant lecture notes chapter3 steam generator.
Steam turbine governing and its mechanism ece tutorials. Specific speed, governing and limitations of impulse turbine. Governor is a heart component of the turbine which controls it during steady state and transient conditions. Each bucket splits the water jet in half, thus balancing the sideload forces or thrust on the wheel and thus the bearings. Pelton turbine or pelton wheel, an impulse turbine, is one of the wellknown type of water turbines. It gives the concept of pelton wheel and concept of hydraulic,mechanical and overall efficiencies. Introduction to fluid machines energy transfer in fluid machines energy transfer impulse and reaction machines, efficiencies of fluid machines principles of similarity in fluid machines concept of specific speed and introduction to impulse hydraulic turbine analysis of force on the bucket of pelton wheel and power generation specific speed, governing and. Pradeep, department of aerospace engineering, iit bombay. Energy conversion in a pelton turbine outlet outlet of the runner inlet of the runner outlet of the needle inlet of the needle 2 c2. Kaplin turbines, francis turbines, pelton turbines, flow through kaplin turbine. Mod01 lec25 axial flow compressor part ii video lecture.
The pelton wheel extracts energy from the impulse of moving water, as opposed to waters dead weight like the traditional overshot water wheel. Design of high efficiency pelton turbine for microhydropower plant. Pdf power plant lecture notes chapter4 steam turbine. I will touch upon propeller turbine in the next lecture as well. Nptel provides elearning through online web and video courses various streams. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt. Click download or read online button to get pelton turbines book now. A turbine is a rotary engine that extracts energy from a fluid flow and converts it into useful work. It was invented by lester allan pelton in the 1870s.
Hydraulic turbines fundamental operating parameters classification impulse turbines pelton turbines reaction turbines radial flow. If you have watched this lecture and know what it is about, particularly what aerospace engineering topics are discussed, please help us by commenting on this video with your suggested description and title. Pelton turbine is a type of impulse turbine which converts water energy kinetic and potential energy of water into mechanical energy. Apr 25, 2016 hydraulic turbines are machines which convert hydraulic energy in to mechanical energy. Offshore structures under special loads including fire resistance, video course on mooc, nptel portal at. Civil engineering department civil engineering department. Turbines and pumps lecture mechanical engineering youtube. To determine specific speed, ns, for the turbine at design head of 15m 2.
Pdf power plant lecture notes chapter2 steam power. The governor is a control component with advanced protections for the turbine which ensure safe operation of the turbine. Theory in the impulse turbines, the total head available is first converted into the kinetic energy. Hydraulic turbines consist of pelton wheel, francis and kaplan turbine.
Theory a pelton wheel is a tangential impulse turbine, and water strikes its buckets as a free jet atmospheric pressure with a high velocity. Basic principles, analysis of force and power generation part i. Som,department of mechanical engineering,iit kharagpur. Hindi hydraulic turbines by rahul choubey unacademy plus. Although invented already in the 1870s by the american lester allan pelton, his runner design is still largely used today in the.
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