Industrial gas turbine has dramatically improved its performance in all operational aspects. Lecture 38 gas turbine engine types part i lecture 39 gas turbine engine types part ii lecture 40 introduction to electric propulsion and ion propulsion lecture 41 steady level flight. Rocket turbine design emphasizes power density, because of the overriding concern for mass saving. Lecture series on applied thermodynamics for marine systems by prof. Turbomachines, gas turbine theory video lecture by prof dr. Lecture notes on thermodynamics and statistical mechanics. Airstandard assumptions air continuously circulates in a closed loop and behaves as an ideal gas all the processes are internally reversible combustion is replaced by a heat. It is typical of all gas turbines in commercial operation today. Radial flow turbine, solved example of free vortex condition 50. A gas turbine essentially brings together air that it compresses in its compressor module, and. The course contains the analysis of vapor power cycle i. The favorable poweroutputto weight ratio for gas turbines make them suitable for transportation. At the beginning the hot gas flow is accelerated from.
Recent developments in gas turbine technology have made the combined gas steam cycle economically very attractive. Such turbines are sturdy by shape construction, show good performance. The course contains the details of steam and gas thermal power plants, hydro power plants, nuclear power plants, along with solar, wind and geothermal energy power systems in addition to the direct energy conversion. The gas temperature is 300 k at the compressor inlet and 0 k at the turbine inlet. Annotations for intro to gas turbines lecture notes1. Nptel video courses pack pdf format nptel user pack. Lecture 38 gas turbine engine types part i lecture 39 gas turbine engine types part ii lecture 40 introduction to electric propulsion and ion propulsion lecture 41 steady level flight lecture 42 power required for the steady level flight lecture 43 steady level flight a pilots view lecture 44 tutorial on steady level flight. Efficiency, while clearly a consideration, takes a less prominent role than in aircraft turbine design. During the second world war most of the gas turbine units used centrifugal compressors. The engine extracts chemical energy from fuel and converts it to mechanical energy using the gaseous energy of the working fluid air to drive the engine and propeller, which, in turn, propel the airplane.
Regeneration in gas turbine engines, the temperature of the exhaust gas leaving the turbine is often considerably higher than the temperature of the air leaving the compressor. The simplest plant is the open turbine gas cycle used to produce electrical power as shown in figure 3. 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. Lecture 29 turbine blade design nptel video lecture topic list created by linuxpert systems, chennai.
Combined steam and gas turbine plant, requirements of combustion chamber, classification of combustion chambers. This tends to favor low reaction turbines and when multistaging, velocity compounding over pressure compounding. Steam and gas power systems edukite free online courses. Utilizing the airstandard assumption, determine a the gas temperature at the exits of the compressor and the turbine, b the back work ration, and c. One part of the course is on ic engines and it focuses onthe thermodynamic cycles for different fuels suitable for automobiles. Babu,department of mechanical engineering,iit madras. Lecture 4 components of gas turbine power plant, gas turbine attachments lecture 5 introduction to. Lecture 33 turbine definition, types of turbines, comparison of gas turbine with. In aircraft gas turbine engines the air flow through the engine is at high average speed 100 ms, which requires high combustion. Attention was focused on the simple turbojet units where low power plant. Khalil course entitled green energy systems ges which he taught at yale university for many years.
Marine gas turbine engine using a gte to propel a ship goes back to 1937 when a pescara free piston gas engine was used experimentally with a gte. This course provides a simple understanding of the steam and gas power systems. Gas generator the heart of a gas turbine type of engine is the gas generator. This course provides a simple understanding of the power plant engineering. It can be used in several different modes in critical industries such as power generation, oil and gas, process plants, aviation, as well domestic and smaller related industries. Irteza hossain gas turbine power plant gas turbines invented in 1930 by frank whittle patented in 1934 first used for aircraft. In these notes we will focus on stationary plants for electric power generation, however, gas turbines are also used as jet engines in aircraft propulsion. In aircraft gas turbines, combustion must be stable over a wide range of chamber pressure because of the. 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.
Pdf power plant lecture notes chapter6 gas turbines. Fundamentals of gas turbine engines introduction the gas turbine is an internal combustion engine that uses air as the working fluid. Classification, open and closed cycle, gas turbine. A schematic diagram of a gas generator is shown in fig. The previous turbine courses gave you the basic information about a typical stearn turbine used in candu stations. Kulkarni is an associate professor in the department of mechanical engineering of indian institute of technology guwahati since january 2015. Gas turbine can produce speed as high as 40,000 rpm.
Announcements course ask a question progress faq register for certification exam course outline how to access the portal week 0 introductory session week 1 introduction to ic engines week 2 air standard cycles. Aircraft gas turbines operate on an open cycle called a jetpropulsion cycle. Annotations for intro to gas turbine engines lecture notes part 1. Alimullah miyan college of engineering and technologyceat lecture slide 2 course title. Chapter 9 gas power cycles universiti tenaga nasional. Gas turbines with multiple shafts, such as the heavy duty ms3002 and ms5002, and aeroderivative gas turbines, are modifications of the configurations shown in fig. Rankine cycle, steam generators and their accessories, performance of boilers and combustion of fuel, high pressure boilers, flow through steam and gas nozzles, different type of steam turbines for power generation and condensers, the gas turbine cycle and. Advantages of gas turbine over reciprocating ic engines.
Pdf power plant lecture notes chapter4 steam turbine. However, the history of the gas turbine as a viable energy conversion device began with frank whittles patent award on the jet. Therefore, the highpressure air leaving the compressor can be heated by the hot exhaust gases in a counterflow heat exchanger a regenerator or a recuperator. It gives a comprehensive overview of gas turbine engine development. This has resulted in dramatically reducing the performance gap between these two types of gas turbines. The overall weight of gas turbine per unit power produced is less.
Turbomachinery aerodynamics nptel online videos, courses. Lecture notes on turbomachinery mechanical engineering. It discusses various technological applications for the gas turbine. You also learned how moisture in stearn and axial thrust problems ate dealt with dur ing normal operation.
Nptel provides elearning through online web and video courses various streams. Mod01 lec28 components of the gas turbine engine youtube. Lecture 30 turbomachines, gas turbine theory lecture 31 open cycle gas turbine power plant, twin shaft arrangement lecture 32 closed cycle, multispool arrangement, steam power plant lecture 33 basic thermodynamics lecture 34 brayton cycle. Ciccarelli 2012 gas turbine power plants gas turbine power plants are lighter and more compact than vapor power plants. You learned there about the major turbine components and the ptinciple of turbine stage operation. Heavier weight units designed specifically for land use are called industrial or frame. Nptel video lecture topic list created by linuxpert. Other part of the course hasemphasis on thermodynamic cycle of aircraft engines and the components of the aircraft engine. Gas turbine cycles nptel lecture power plant engineeringii. Iubat international university of business agriculture and technology founded 1991 by md. Most commonly used injection system in aircraft gas turbine. The tanjung jabung gas power plant 3x10 mw is powered by three siemens sgt400 turbines 3 which each of them can operate up to mw 6, 7 each at peak load. Utilizing the airstandard assumption, determine a the gas temperature at the exits of the compressor and the turbine, b the back work ration, and c the thermal efficiency.
Nptel aerospace engineering jet aircraft propulsion. Lecture series on steam and gas power systems by prof. 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. Figure 1 indicates the growth of the pressure ratio in a gas turbine over the past 50 years. Substituting, indicated work cycle 2 2 11 1 n w pv pv n. The compressor, combustor, and turbine are the major components of the gas generator which is common to the turbojet, turbofan, turboprop, and turboshaft engines. The mechanical efficiency of gas turbines is very high in the range of 9095%. Download pdf of ic engines and gas turbines note offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Gas turbine engines are widely used to power aircraft because they are light and compact and have a high powertoweight ratio. The gas turbine is the most versatile item of turbomachinery today.
Neglect changes in kinetic energy and the pressure losses in the combustion chamber. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Turbomachinery thermodynamic characterization of turbo machinery fluid dynamic characterization of turbomachinery a general. Gas turbnie we need to develop a new model, that is still ideal. Ic engines and gas turbines introduction video youtube. It was also understood that for a gas turbine engine to go on an aircraft it must. Gas turbine configuration figure 2 illustrates an ms7001fa gas turbine.
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