>> These hot gasses come in contact with water vessel where the heat of these hot gases transfer to the water and consequently steam is produced in the boiler. 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 rotate. >> /Type /Page /Type /Page << Compressors. << /BleedBox [0 0 595 842] /Resources 81 0 R Since then, apart from getting bigger, turbine design has hardly changed and Parson's original design would not look out of place today. /Rotate 0 /MediaBox [0 0 595 842] The principle of this condenser is shown in the figure. /Type /Page Achieving favorable steam turbine economics depends on choosing the right type of turbine (e.g., backpressure vs. condensing) in the right size, as well as integrating it correctly with the heat exchanger network (HEN) in accordance with the appropriate placement principle of pinch analysis. Condensate, cooling water and airflow downwards and are removed by two separate pumps known as an air pump and condensate pump. /Contents 38 0 R In this article, you will learn what is Steam Condenser and It's working principle, advantages and types of the steam condenser with PDF. /BleedBox [0 0 595 842] 12 0 obj << endobj /StructParents 191 Impulse Turbine: Principle, Construction & Working April 25, 2016 February 13, 2018 Admin 1 Comment Turbine. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. /Contents 72 0 R << x��VKo�@�G��������û����B�8 �5%(u����Ϭ��8v#�\6����};//,����Ň��/A�x�/���|&A /Contents 68 0 R /BleedBox [0 0 595 842] The work is generally done during a planned shutdown. /BleedBox [0 0 595 842] /Contents 66 0 R /CropBox [0 0 595 842] 7 0 obj steam conditions. The nozzle acts Table 4-1. /MediaBox [0 0 595 842] /Resources 87 0 R /Parent 3 0 R endobj /BleedBox [0 0 595 842] stream * Steam turbines are Ideal wherever Steam is available. >> endobj /StructParents 186 A major steam turbine repair can cost ten or more times that of a garden variety centrifugal pump repair. Set alert. /Resources 53 0 R /Rotate 0 /Rotate 0 The course also provides an in-depth description on Steam Turbine Components. /StructParents 189 /Rotate 0 1. /Parent 3 0 R >> /Contents 86 0 R 15 0 obj >> Cross- Flow Turbine is a special type of water turbine designed for mini and micro hydel projects, with low head and high flow. << /Contents 42 0 R 5 0 obj /Resources 37 0 R Furthermore, the turbine shaft is connected with a mechanism that is driven, can be directly or with the help of other elements. 2 0 obj stream In principle the impulse steam turbine consists of a casing containing stationary steam nozzles and a rotor with moving or rotating buckets. 1. /Resources 77 0 R If water and steam are at the same temperature, why does steam hurt more? /CropBox [0 0 595 842] /StructParents 182 <>>> /MediaBox [0 0 595 842] << Steam turbine bearings and their function. 4 0 obj >> 27 0 obj /MediaBox [0 0 595 842] A German named Fritz Ossberger invented the Cross-Flow Turbine, and hence these type of turbines are often referred as Ossberger turbine in tribute to him. /CreationDate (D:20141027093131+01'00') << Figure 3.1a shows the schematic of a water wheel and how it works, and Figure 3.1b shows a picture of a modern turbine. Fuel (generally coal) is burnt in a furnace and hot gasses are produced. /BleedBox [0 0 595 842] %PDF-1.5 See fig. endobj A combined-cycle power plant uses both a gas and a steam turbine together to produce up to 50 percent more electricity from the same fuel than a traditional simple-cycle plant. Steam Turbine - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. 1. /Resources 83 0 R << /CropBox [0 0 595 842] %���� 1. How Does a Steam Turbine Work? /Length 2934 The conversion of energy in the blades takes place by impulse, reaction or impulse reaction principle. /CropBox [0 0 595 842] March 2015 ; DOI: 10.1007/978-3-319-15560-9_7. /Parent 3 0 R The term impulse means sudden force act to bring desire change. * Let us look at turbines first and there are two types of Turbines a. << /StructParents 185 Blade Profiles As mentioned in the introductory review, Parsons developed a steam turbine based on the reaction principle while de Laval developed one based on the impulse principle. >> /BleedBox [0 0 595 842] /CropBox [0 0 595 842] b. /StructParents 194 /Type /Page << >> /Rotate 0 Mr. Lawhon received his B.S. /Type /Page /BleedBox [0 0 595 842] >> Working Principle 4. /StructParents 172 The turning turbine can be used to move … All steam turbine working principle wholesalers & steam turbine working principle manufacturers come from members. /Contents 74 0 R Principle of Operation In most water turbines… << /Parent 3 0 R Today it is gas turbines that take over the largest share of peak-load cover, having proved to be the optimum modules in the planning of construction sequences. /StructParents 184 /Resources 91 0 R /StructParents 175 H��Wms�F�g� /Resources 43 0 R /Resources 93 0 R >> endobj A combined-cycle power plant uses both a gas and a steam turbine together to produce up to 50 percent more electricity from the same fuel than a traditional simple-cycle plant. 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 the steam, which results … Steam turbine. /Parent 3 0 R /Contents 92 0 R /Rotate 0 << >> endobj /CropBox [0 0 595 842] /PieceInfo 4 0 R /Resources 47 0 R /BleedBox [0 0 595 842] 2 0 obj /Producer (SAMBox 1.0.34.RELEASE \(www.sejda.org\)) /CropBox [0 0 595 842] endobj /Contents 62 0 R The steam enters the turbine casing with some pressure. /Resources 85 0 R /Type /Page /Contents 36 0 R Steam turbine bearings and seals should be physically inspected every two to three years. /CropBox [0 0 595 842] << Reaction 4 IV. Steam turbine Working 1. 25 0 obj This turbine used to rotate the generator, which produces electric power. /LastModified (D:20170214125512+01'00') The turbines are of basically four types and these are water turbine, steam turbine, gas turbine and wind turbine. The boiler is essentially a closed vessel inside which water is stored. Thermal Power Plant : Principle, Parts, Working, Advantages and Disadvantages September 17, 2017 February 12, ... Now from the LP turbine outlet, steam send to the condenser. plus-circle Add Review. /Filter /FlateDecode /Parent 3 0 R >> of fixed nozzles into the turbine. << 9 0 obj 32 0 obj /Parent 3 0 R /Resources 59 0 R Working Principle of the Kaplan Turbine: Kaplan turbine is an axial flow reaction turbine. /BleedBox [0 0 595 842] 8 i) The last stagers); ii) The remaining stages. /BleedBox [0 0 595 842] /CropBox [0 0 595 842] b. /MediaBox [0 0 595 842] /StructParents 183 /BleedBox [0 0 595 842] /Type /Page /BleedBox [0 0 595 842] >> /BleedBox [0 0 595 842] /Parent 3 0 R endobj /Resources 71 0 R /Type /Page /Type /Page endobj /BleedBox [0 0 595 842] 19 0 obj Steam turbine 2. summary What is the turbine? /Rotate 0 /Resources 75 0 R endobj 2. /Contents 80 0 R The increased pressure steam which comes out from the nozzles hits the revolving blades that are close-fitted to the disc which is placed on the shaft. This kinetic energy is then converted to become mechanical energy that is formed in a turbine shaft rotation. /BleedBox [0 0 595 842] Curtis 2 3.2. steam turbine working principle. /Rotate 0 /StructParents 181 /Type /Page If you've ever burned yourself with steam, you'll know it's incredibly painful—and much more so than an ordinary hot water burn. /CropBox [0 0 595 842] /Type /Page /Type /Page endobj 35 0 obj >> Steam enters the turbine with a high energy content and leaves after giving up most of it. << endobj The high-pressure steam from the boiler is expanded in nozzles to create a high-velocity jet of steam. << The potential energy of the steam is thus turned into kinetic energy in the rotating turbine’s blades. >> endobj endobj /Rotate 0 endobj 21 0 obj >> 1 0 obj /Parent 3 0 R Let’s understand the Working Principle of it… Working Principle of Steam Power Plant: A Steam Power Plant working phenomena will be discussed using 3 circuits: Furnace Circuit; Steam Circuit; Cooling Water circuit; The explanation of these circuits is as follows. /Parent 3 0 R As that steam flows past a turbine’s spinning blades, the steam expands and cools. /Type /Page 17 0 obj /Parent 3 0 R << /Contents 40 0 R >> >> /StructParents 180 In Impulse Steam Turbine, there are some fixed nozzles and moving blades are present on a disc mounted on a shaft.Moving blades are in symmetrical order. /MediaBox [0 0 595 842] /MediaBox [0 0 595 842] /MediaBox [0 0 595 842] 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. An Introduction to Steam Turbine Selection When the end user needs to select a general purpose back pressure steam turbine driver, an exchange of information on required turbine performance will Operator’s Guide to General Purpose Steam Turbines: An Overview of Operating Principles, Construction, Best Practices, and Troubleshooting. /Contents 94 0 R /Type /Page /CropBox [0 0 595 842] It is the most widely used … Reviews There are no reviews yet. How a Combined-Cycle Power Plant Produces Electricity . /Rotate 0 /Resources 55 0 R /MediaBox [0 0 595 842] }\UE�K�o18�w! COGENERATION and COMBINED-CYCLE PRINCIPLES WORKSHOP CHAPTER 1 – PRINCIPLES of COGENERATION© Gryphon International Engineering Services Inc. www.gryphoneng.com Page 3 2.3 Combined-Cycle Cogeneration A Combined-Cycle Cogeneration plant is outlined in Exhibit #3.
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