Steamturbine principles and practice by croft, terrell, 1880publication date 1923 topics steamturbines publisher new york. Steamturbine components are exposed to harsh conditions that include dynamic loads, centrifugal forces, high temperatureinduced stresses, and high pressure hpinduced stresses. Steam turbines startups 1 principles of steam turbines startups. Steam turbine and steam nozzle interview question and answers steam turbine and steam nozzle interview, viva, oral question and answers 1. This separation of functions enables steam turbines to operate using a large. Turbine components an overview sciencedirect topics. The operating instructions describe the order of executing startup. The rotating blades perform a dual function they drive the compressor to. Steam turbine, free steam turbine software downloads. Directx, games for windows live redist, vc redist, rapture3d, nvidia physx redist, etc.
The principle of operation of a dc generator is similar to that of the ac generator, which was discussed previously. Disc with moving blades fixed blades on its periphery. Schematic diagram outlining the difference between an impulse and a 50% reaction turbine. Pdf power plant lecture notes chapter4 steam turbine. Chaplin encyclopedia of life support systems eolss must be made to transfer the working fluid to the moving parts. If you are looking this types pdf you can download it for your course. All steam turbines have the same basic parts, though theres a lot of variation in how theyre arranged. Steam turbine bearings and their function askpowerplant. The principal cycle considerations are those of regenerative feedwater heating by turbine extraction steam and of reheating. Global steam turbine expertise has a local facethe ge representative in your area has instant access to the latest parts technology research and development. Downlod free this book, learn from this free book and enhance your skills. This manual does not for designing steam turbine and the related parts.
With the application of the latest technology and with advanced parts, the retrofitted turbine will achieve better turbine efficiency and improved reliability over that of the original turbine. They were installed from the cddvd, and those installers didnt stay. While the functions are the same for all steam turbines, the designs are sufficiently different to necessitate brief discussions on the important components, their. Constant improvements in design and manufacturing are adopted in our spare parts processing, thereby enhancing its reliability. Steam turbine basics free download as powerpoint presentation. Steam turbine basic parts mechanical engineering site. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam and transforms it into mechanical work. Pdf power plant lecture notes chapter2 steam power. The steam turbine operates under high steam pressures, and has a number of moving parts that move at extremely high velocities. Jet engines come in a variety of shapes and sizes but all jet engines have certain parts in common on this page we have a computer model of a basic turbojet engine which you can animate by using the buttons below the picture.
Types of steam turbine an overview sciencedirect topics. Project gutenberg offers 61,841 free ebooks to download. Presentation about steam turbines including how is it work, parts, operations and. Three basic phases can be distinguished in the process of steam turbine unit. Thus steam flowing through the turbine passes alternately through fixed and. This was developed by kraftwerk union and also overcomes the need for a very heavy flange in the high pressure cylinder. Operation and maintenance schedule of a steam turbine plant.
I have attached pdf on fundamentals of steam turbine. This section describes the typical deterioration experienced by a steam turbine, and gives an example of a steam turbine life assessment. Purpose this manual can be used for preliminary selection, steam and cooling water planning for steam turbines in basic and detail engineering stages. Pdf power plant lecture notes chapter2 steam power plant. Although the book title and its supporting examples are specifically power plant oriented, the fundamental theories and practices discussed within are applicable to any construction endeavor, from power plant construction to road building, from refinery construction to chemical process plant expansions, and for. 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. Load demand, financial pressures and aging steam turbine generators have created the need to extend longevity and reliability. Find previously owned second handused and new, never used turbines and turbine parts in a variety of sizes and ratings. Modern steam turbines frequently employ both reaction and impulse in the same. In 1924 krupp built the steam turbine locomotive t18 001, operational in 1929, for deutsche reichsbahn. We operate on a simple philosophy of predictive maintenance. Steam turbine performance 3 4 2 1 46 45 44 43 42 41 43 42 41 40 39 % % 1. Chaplin encyclopedia of life support systems eolss figure 2. Steam turbine performance 3 4 2 1 46 45 44 43 42 41 43 42 41 40.
Steam turbines a book of instruction for the adjustment and operation of the principal types of this class of prime movers. The casing shape and construction details depend on whether it is a high pressure hp or low pressure lp casings. Single flow high pressure turbine another unique casing design is shown in figure 3. For low and moderate inlet steam pressure up to 120 bar, a single shell. Steam turbine and steam nozzle interview question and. The impulsereaction turbine, flow of steam through impulse turbine, tangential force, axial. When you installed a video game from a cd or a dvd, you installed some redistributable packages too. Power plant construction management a survival guide. Parts and functions of steam turbine power plant tutorials. Steam turbine and steam nozzle interview question and answers. Steam engines are used very widely in engineering up to 1930 for generation of power but after it are replaced by internal combustion engine.
Archived from the original pdf on 28 september 2011. Steam turbine bearings and their function heii power plant engineers today we are discussed about a very important topic named steam turbine bearings and their function into steam turbine operation. Power plant lecture notes chapter2 steam power plant cycles. In this article, we see about the impulse turbine and reaction turbine principle, working and difference. Introduction to steam turbine parts of steam turbine and its function introduction to steam turbines a steam turbine is a device that converts the thermal energy of steam into mechanical energy by turning the blades of a rotor. Free kindle book and epub digitized and proofread by project gutenberg. Unesco eolss sample chapters thermal power plants steam turbine components and systems r.
Equation 2 is often referred to as the diagram work per unit mass flow and hence the diagram. Parts and its functions of wind turbine free download as powerpoint presentation. Owing to the high velocity, the residence time of steam in the steam nozzle is small, and there may not be. A consequence of these changes is heatingup of turbine components, mainly in. The steam valve nominal diameters, the steam pressures, and tempera. Formulae for the basic dimensions of turbine parts are well documented and a highly. Basically, a steam turbine is used in steam power plants to expand high pressure steam to low pressure. The qualityinspection procedures applicable for spare parts are the same as that of the turbine manufacturing process. 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.
Operation and maintenance schedule of a steam turbine. Three basic types of steam turbine are used to generate power as a byproduct of process or exhaust steamml. What is the axial thrust and the diagram efficiency. The first steam turbine used for power generation was invented in 1884. Steam turbines are one of the most versatile and oldest prime mover technologies still in general production used to drive a generator or mechanical machinery. The performance of the steam turbine is governed by the losses occurred in it. Varma turbines will arrest all leakages of steam, gas and water in respective. Parts and functions of steam turbine are rotor stem, chest casing, over speed trip system, governor system which major equipment in turbines.
Impulse turbine and reaction turbineprinciple, working. Machinerys handbook 30th edition by erik oberg, franklin d. Steam turbine is the widely use as a prime mover in power plants, refineries, petrochemical plants, food processing plants, power plants etc. Second hand used turbines steam, condensing, noncondensing, expanding, back pressure. Thermal power plants steam turbine components and systems r. Varma turbine parts will be less prone to rust, erosion, wear and tear. Steam turbine convert a part of the energy of the steam evidenced by high temperature and. This machinerys handbook 30th edition by erik oberg, franklin d. Machinerys handbook 30th edition by erik oberg, franklin. Hydraulic control systems in gas and steam turbines. Steam turbine and compressor parts production and engineering capabilities at stork we understand the challenges of planned or unplanned overhauls of your businesscritical equipment. Steam turbine types steam turbine types based on blade geometry and energy conversion process are. 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 improve.
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. Steam turbines consist essentially of a casing to which stationary blades are fixed on. Because the turbine generates rotary motion, it is particularly suited to driving. Introduction to steam turbine parts of steam turbine and.
The steam turbines are widely used in power generation, refineries and petrochemical industries. The steam turbine operates under high steam pressures, and has a number of moving parts. Generally, an ebook can be downloaded in five minutes or less. E book for steam turbine fundamentals of steam turbine. Gas turbine engine construction and components part b.
A steam turbine locomotive engine is a steam locomotive driven by a steam turbine. Nov 25, 2014 steam turbines the simplest singledisc steam turbine consists of the following parts shaft. Burns mixture of fuel and air delivers to the turbine the rapidly expanding gases at a uniform temperature cooled to below the allowable structural temperature of the. Model steam turbines steam turbines have come very much to the fore during recent years, especially for marine propulsion. Using the original designs and service history of your assets, we can provide parts that will work seamlessly with other gedesigned components and upgrades. The best companion of steam users the good old time. The shaft along with the disc mounted upon it comprises the most important part of the turbine and is known as the rotor, which is housed in the turbine casing. What is meant by super saturation in steam nozzles.
This chapter describes an example of a steam turbine life assessment and planning of retrofitting for life extension. Jan 02, 2009 free kindle book and epub digitized and proofread by project gutenberg. Steam turbine software free download steam turbine. Steam turbines the simplest singledisc steam turbine consists of the following parts shaft. This provides a follow up of basic engineering cycles with applications to. Impulse turbine and reaction turbineprinciple, working and. Steam turbine maintenance is of high importance to keep the steam turbines efficiency high and to conform to safety standards to avoid any unforeseen dangers. Steam turbine technology kth royal institute of technology web. Delivers to the turbine the rapidly expanding gases. Diesel engine, petrol engine are the common example of internal combustion engine. A steam turbine is a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Quantum computing explained with a deck of cards dario gil, ibm research duration. Its modern manifestation was invented by charles parsons in 1884 the steam turbine is a form of heat engine that derives much of its improvement in thermodynamic efficiency from the use of multiple stages in the expansion of. In this article, we see about the impulse turbine and reaction turbineprinciple, working and difference.
Parts and its functions of wind turbine gear wind turbine. Steam turbine retrofitting for the life extension of power. In principle they are far simpler than cylinder engines, steam being merely directed at a suitable angle on to specially shaped vanes attached to a revolving drum and shaft. Accompanying this transfer from the fixed to moving parts is inevitably some impulse effect. Steam turbine replacement parts ge power generation. The first steam turbine rail locomotive was built in 1908 for the officine meccaniche miani silvestri grodona comi, milan, italy.
Most modern passenger and military aircraft are powered by gas turbine engines, which are also called jet engines. Steam turbine components and systems semantic scholar. Steam turbine blades look a bit like propeller blades but are made from highperformance alloys because the steam flowing past is hot, at high pressure, and traveling fast. Steam turbines, cylinders, rotors, blades, seals, bearings, lubrication. A rotating armature coil passes through a magnetic field that develops between the north and. Feb 16, 2017 this feature is not available right now. In this article, we will discuss steam turbine basic parts.
160 599 239 85 850 1003 1580 487 38 1569 870 780 511 79 1151 540 1203 356 1324 796 121 775 349 545 880 1389 1099 610 57 45 1007