Pdf power plant lecture notes chapter2 steam power plant. The principles of correct conducting startups have been developed over the longterm operation of steam turbines and contain experience of turbine designers, constructors and operators. I have attached pdf on fundamentals of steam turbine. Steam turbine lecture notes, mechanical engineering. Ger4190 steam turbine thermal evaluation and assessment. For impulse turbine the blade height at a particular section of a turbine will be function of mass flow rate m, specific volume v, area a, and velocity of steam. Lecture 2 steam turbine free download as powerpoint presentation. The steam expands in the turbine, and this expansion work drives the turbine and generator to produce electricity. Apr 03, 2020 steam turbine lecture notes, mechanical engineering, semester mechanical engineering notes edurev is made by best teachers of mechanical engineering. The curtis stage turbine, as it came to be called, is composed of one stage of nozzles as the singlestage turbine, followed. This highvelocity steam produces dynamic pressure on the blades in which blades and shaft both start to rotate in the same direction. A typical turbine governing system has two unloaders one activated by low condenservacuum. Three basic phases can be distinguished in the process of steam turbine unit start.
In the last discussion lecture we talked about compressible flows. Engineering ebooks download engineering lecture notes. The runner note that the terms stator and rotor are usually used for the fixed. Feb 26, 2017 lecture series on steam and gas power systems by prof. Reaction turbine blading and conditions figure 3 shows, at the top. This paper introduces the latest steam turbine technologies applied to this stateoftheart steam turbine including the complete. Rocket turbine design emphasizes power density, because of the overriding concern for mass saving. Steam turbines, turbine blades, velocity diagrams, impulse, reaction. Steam turbine notes, mechanical engineering, semester notes. Good morning, i welcome you all for the last topic of the course on fluid dynamics and turbo machines, that is steam and. Ppt steam turbines powerpoint presentation free to.
Alwash lecture notes university of babylon electrical machines mechanical department d. This document is highly rated by mechanical engineering students and has been viewed 866 times. Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up. Valentini gas turbine power plants 1 introduction i have written these notes for italian speaking students in the last year of high school for the course of applied mechanics and fluid machinery. Power plant engineering notes pdf ppe notes pdf notes. Anna university regulation 20 eee me6701 ppe notes, power plant engineering lecture handwritten notes for all 5 units with download link for eee 5th sem me6701 power plant engineering lecture handwritten notes are listed down for students to make perfect utilization and score maximum marks with our study materials. Good morning, i welcome you all for the last topic of the course on fluid dynamics and turbo machines, that is steam and gas turbines. Mar 24, 2020 steam turbine notes, mechanical engineering, semester notes edurev is made by best teachers of.
If you are looking this types pdf you can download it for your course. Thermal stations can be private industrial plants and central station. 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. Purpose this manual can be used for preliminary selection, steam and cooling water planning for steam turbines in basic and detail engineering stages. Introduction to turbine machinery univerza v ljubljani. Note that the velocity triangles are drawn for the inlet and outlet of the rotor at. Steam turbines and condensers ik international publishing. Efficiency will depend on turbine size or rotor diameter, blade geometries, speed, extreme condition of steam and other losses. Turbine type of energy head discharge direction of. Pdf power plant lecture notes chapter4 steam turbine.
Latest technologies and future prospects for a new steam turbine. Lecture series on steam and gas power systems by prof. Chaplin encyclopedia of life support systems eolss both of these have double casings with the exhaust steam circulating in the annular space between the casings as in the case of the high pressure turbine. The motive power in a steam turbine is obtained by the rate of change in momentum of a high velocity jet of steam impinging on a curved blade which is free to. Steam turbine notes, mechanical engineering, semester. Chaplin encyclopedia of life support systems eolss in distinguishing between impulse and reaction blading it is necessary to consider what happens to the steam in passing through one stage of fixed and moving blades. Steam boiler notes pdf steam boiler, steam, lectures. Steam turbine types steam turbine types based on blade geometry and energy conversion process are. Power plant lecture notes chapter2 steam power plant cycles. Latest technologies and future prospects for a new steam.
This document is highly rated by students and has been viewed 568 times. Working principle of steam turbine depends on the dynamic action of steam. Pdf lecture 27 model steam turbine gov system abdul hadi. May 19, 2015 mar 24, 2020 steam turbine notes, mechanical engineering, semester notes edurev is made by best teachers of.
E book for steam turbine fundamentals of steam turbine. Steam consumption of steam turbine is depending to required output power and efficiency of the turbine. Alternatively the exhaust steam may be used for process purposes. Chapter 4 steam turbine classification of steam turbines. This is compared with a reference speed, governor whose main activity is to control the speed of the steam by closing and opening of the control valve ie if the differential speed is low,then the control valve is opened to let out the steam at high. This manual does not for designing steam turbine and the related parts. In case of turbines with cooling water preheating and lowpressure lp bypass, prior to supplying steam the regeneration and dumping systems have to be. Approval issue module 2347 the turbine governing system. Only slight change in water temp through pump the steam generator consists of boiler twophase heat transfer and superheater turbine outlet is highquality steam condenser is cooled by water eg. Power plant engineering notes pdf ppe notes pdf book starts with the topics introduction, boiler, classification of boilers, fire tube boiler, water tube boilers, introduction, classification of a steam turbine, simple impulse turbines. Turbine is a general term for any device that extracts mechanical energy from a fluid generally converting it to rotating energy of a turbine wheel.
In an extracting type turbine, steam is released from variousin an extracting type turbine, steam is released from various stages of the turbine, and used for industrial process needs or sentstages of the turbine, and used for industrial process needs or sent to boiler feed water heater to. Me6701 ppe notes, power plant engineering lecture handwritten. Chaplin encyclopedia of life support systems eolss figure 4. Pdf power plant lecture notes chapter3 steam generator. Development of gas turbine types of gas turbines gas turbine cycle gas turbine combustor new gas turbine combustors for clean environment. Steam turbine working principle and types of steam turbine. The expanded steam is condensed to water in the condenser. It is not mechanically connected to the gas generator, but instead is mechanically coupled, 1. Impulse and reaction principles, compounding, velocity diagrams for simple and multistage turbines, speed regulationsgovernors and nozzle governors. Unesco eolss sample chapters thermal power plants steam turbine components and systems r. Reaction turbines steam condenser and circulating water systems.
Feb 19, 2017 lecture series on steam and gas power systems by prof. 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. Chaplin encyclopedia of life support systems eolss accommodated and this requires special nozzles and reinforcing of the casing in these areas. The incoming steam is at a temperature higher than that generally prevailing in.
This is a typical layout of a steam turbine plant which you studied perhaps in the first level course on thermodynamic. Pdf power plant lecture notes chapter2 steam power. Impulse turbines, reaction turbines, the impulse principle, the. Compilation of lecture notes on steam turbines for engineering students. Theacti vatedunloader acts similarly to the loadlimiter, ie. The main aim is to give them the chance to follow one module of their mechanics course all in english. Powerpoint presentation on steam turbine powerpoint. Turbine type of energy head discharge direction of flow specific name type speed pelton. Pdf lecture 27 model steam turbine gov system abdul. 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. Unit iii unit iii steam nozzles and turbines flow of steam through nozzles, shapes of nozzles, effect of friction, critical pressure ratio,supersaturated flow. It converts a part of the energy of high temperature and high pressure.
Thermal power plants steam turbine components and systems r. Despite efforts to develop alternative energy converters, electricity from steam will continue, for many years, to provide the power that energizes the united states and world economies. Advantages and disadvantages of a thermal power plant advantages. Engine general working principle mit opencourseware. Impulse turbines an impulse turbine uses the impact force of the steam jet on the blades to turn the shaft. For liquids, we usually call them hydraulic turbines or hydroturbines. Steam turbine convert a part of the energy of the steam evidenced by high. Steam turbine is a type of turbomachine which is an assembly of nozzles and blades. Steam lines evaporation powerpoint format, steam turbine, steam boiler. A highvelocity steam is coming from the nozzles and it strikes the rotating blades which are fitted on a disc mounted on a shaft. Process 23the turbine cannot handle steam with a high moisture content because of the impingement of liquid droplets on the tu rbine blades causing erosion and wear. Beyond the turbine end of the gas generator is a freely rotating turbine. Pdf steam turbine find, read and cite all the research you need on researchgate. Steam expands as it passes through the nozzles, where its pressure drops and its.
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