Work done, degree of reaction, losses and efficiency. Gg 140 lecture 34 renewable energy open yale courses. Open cycle gas turbine power plant, twin shaft arrangement. Simple gas turbine system the gas turbine is a steady flow device in which air is compressed to a high pressure in. So, there are number of possibilities of fuel and gas turbine power plant are generally less bulkier, compared. Now steam power plant is one of the prime methods of. Rt where v is the specific volume and r is the gas constant which varies depending on the gas. Gas turbine combustors the heat is added to the air flowing through the gas turbine in the combustors. Elsayed ahmed, aircraft propulsion and gas turbine engines, 2008. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Chalmers university of technology gas turbine technology. Lecture series on applied thermodynamics for marine systems by prof. Unesco eolss sample chapters thermal power plants vol.
Lecture 33 turbine definition, types of turbines, comparison of gas turbine with reciprocating ic engine and steam turbine, classification of gas turbine 34 lecture34 thermodynamic cycle or brayton cycle, problem solving 35 lecture 35 regenerative gas turbine cycle, reheat gas turbine cycle, problem solving. Introduction to gas turbines for nonengineers published in the global gas turbine news, volume 37. A gas turbine is a turbomachine and basically similar to steam turbine regarding its working principle the first turbine to produce useful work was probably a wind mill, where no compression and no combustion exist now a days gas turbine include a compression process and combustion process. Pdf power plant lecture notes chapter6 gas turbines. 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. Substituting, indicated work cycle 2 2 11 1 n w pv pv n. Lecture 38 gas turbine engine types part i lecture 39 gas turbine engine types part ii. Energy from wind is acquired through the use of large wind turbines. Gas dynamics and propulsion online course video lectures.
Coal gasification is another possibility by which one can have gas turbine power plant. Jan 17, 2017 lecture series on steam and gas power systems by prof. After it passes through the turbine, the steam is condensed in a condenser and recycled to. It is also employ in the operation of lifts, rams, pumps etc. Assuming the air as a perfect gas, where m is the mass of air induced and delivered per cycle, r is the universal gas constant, where r 0. Hello i welcome you all in this course on steam and gas power systems and this session will.
Gas turbine and combined cycles the ideal brayton cycle, example 1, the actual simple gas turbine cycle, example 2, splitting the turbine, example 3, modification to the basic. Saravanamuttoo encyclopedia of life support systems eolss the relevant steady flow equation is 1 22 qh h c c w. But the intent here is simply to outline the way one might proceed, as follows. 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. 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. Certificate will have your name, photograph and the score in the final exam with the breakup. Here a is the speed of sound, r, t and uare universal gas constant, temperature in k, and specific heat ratio, respectively. These turbines ideally need to be located in areas where there is strong wind and low atmospheric turbulence.
This elearning course is aimed at individuals working in the oil and gas industry who are required to work with gas turbines. Basics of gas turbine operation the simplest arrangement of the gas turbine consists of a compressor, combustor and turbine directly connected to the generator as shown in figure. Turbomachinery aerodynamics online course video lectures. These include wind energy, solar energy, biomass energy and geothermal energy. Find materials for this course in the pages linked along the left. Nptel video lecture topic list created by linuxpert. Gas turbine cogeneration systems can produce all or a part of the energy requirement of the site, and the energy released at high temperature in the exhaust stack can be recovered for various heating and cooling applications see figure 7. It is not only to fulfil the duties that you need to finish in deadline time.
Pdf power plant lecture notes chapter4 steam turbine. Computer aided engineering design delivered by iit kanpur. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. 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.
Dividing by molecular weight, pvm r m t where m is the molecular weight of the gas. Thus, part of the work produced by the turbine is used to drive the compressor. Aiaa cfd for combustion modeling day 2, lecture 6, suresh menon, georgia tech les of combustion instabilities in gas turbines gas turbine chamber designs are prone to combustion instabilities and especially to azimuthal modes 7, 8, 9. Turbomachinery aerodynamics online course video lectures by. Langston, university of connecticut and george opdyke, jr. It sucks in air from the atmosphere, compresses it. Vtunptelnmeict project progress report the project on development of remaining three quadrants to nptel phasei under grant in aid nmeict, mhrd, new delhi. Gas turbines are available in sizes ranging from 500 kilowatts kw to 250 megawatts mw. Nptel video lecture topic list created by linuxpert systems.
Pdf easyengineering team internal combustion engine. Nptel syllabus jet aircraft propulsion video course. The aircraft engine book, rolls royce uk the basic gas turbine cycle is illustrated pv and ts diagrams in figure 5. Pv mrt pv t k 1 2 pv k n compressor without clearance volume compressor with clearance volume. Lecture 27 turbine blade cooling a fundamentals of heat transfer, blade cooling requirements lecture 28 turbine blade cooling technologies lecture 29 turbine blade design nptel video lecture topic list created by linuxpert systems, chennai. So, you want to download all of the video lectures for a course in nptel. Gas dynamics and propulsion online course video lectures by. Gas turbines can be used in poweronly generation or in combined heat and power chp systems the most efficient commercial technology for central station poweronly generation is the gas turbinesteam turbinecombinedcycle plant, with efficiencies approaching 60 percent lower heating value lhv. Good morning, i welcome you all for the last topic of the course on fluid dynamics and turbo machines, that is steam and.
Its temperature increases while the pressure drops slightly across the combustors. Lecture 29 turbine blade design nptel video lecture topic list created by linuxpert systems, chennai. Lecture 17 gas and vapour power cycles, otto cycle, diesel cycle, dual cycle lecture 18 rankine cycle, brayton cycle, stirling and ericsson cycles. Gas turbine engineering handbook sae international. How to download all of the lectures for a course in nptel. Gas turbine engines are widely used to power aircraft because they are light and compact and have a high powertoweight ratio. It was also understood that for a gas turbine engine to go on an aircraft it must. Unit 7 air compressors working of a single stage reciprocating air compressor, calculation of work input, volumetric efficiency, isothermal efficiency, advantages of multi stage compression, two stage compressor with. Hello i welcome you all in this course in steam and gas power systems today we will start with the gas turbine cycle now in. The exhaust or the extracted steam from the steam turbine provides the required thermal energy. The issues related to gas turbines as i just mentioned. For more details on nptel visit nptel related courses. The gases expand doing work and finally exhausts outside. Guest lecture 1 free download as powerpoint presentation.
This gas turbine is used in 60hz power generation service. Lecture series on steam and gas power systems by prof. Nptel provides elearning through online web and video courses various streams. Free download gas turbine theory ebooks pdf download gas turbine theory ebooks pdf no wonder you activities are, reading will be always needed. This introductory course is particularly suited to those new to working with gas turbines as it provides a basic overview of turbine operation. Chalmers university of technology gas turbine technology lecture 3 free download as powerpoint presentation. Steam generated from the exhaust gas of the gas turbine is passed through a backpressure or extractioncondensing steam turbine to generate additional power. So today, we will do the fundamental issues related to working of gas turbine. These notes are of easyengineering team prepared notes. Usually, these assumptions are used to calculate estimate pressure, p, volume, v, and temperature, t, of the working fluid. 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. It can be used in several different modes in critical industries such as power generation, oil and gas, process plants. Babu,department of mechanical engineering,iit madras.
You do not need prior knowledge or experience to complete this course and. Pradeep, department of aerospace engineering, iit bombay. This internal combustion engine study materials contains all the formulae and important theoretical aspects of mechanical engineering. A thermal power station is a power plant in which the prime mover is steam driven.
How does gas turbine works gas turbine functions in the same way as the compressed ignition engine. Apr 16, 2010 lecture series on applied thermodynamics for marine systems by prof. The working fluid is assumed as a perfect gas and pvt can be calculated by using simple equation of state. However, the history of the gas turbine as a viable energy conversion device began with frank whittles patent award on the jet engine in 1930 and his static test of. Turbomachinery aerodynamics nptel online videos, courses iit video lectures. Work and heat, first law of thermodynamics, pure substances and steam tables and ideal and real gases, basics of energy conversion cycles, second law of thermodynamics, entropy. Fundamentals of fluid mechanics chapter 12 pumps and turbines. Nptel video course aerospace engineering introduction to aerospace propulsion. Of course, reading will greatly develop your experiences about everything.
A m pradeep, department of aerospace engineering, iit bombay. However, the history of the gas turbine as a viable energy conversion device began with frank whittles patent award on the jet engine in 1930 and his static test of a jet engine in 1937. Here, in the first lecture, we will deal with what are the. The only difference is instead of the reciprocating motion, gas turbine uses a rotary motion throughout. Smart material, adaptive structures and intelligent mechanical systems iitk. In an air standard regenerative gas turbine cycle the pressure ratio is. 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.
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