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What is Steam Turbine - Description and .

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Decreasing the turbine exhaust pressure significantly increases the specific volume of exhausted steam, which requires huge blades in last rows of low-pressure stage of the steam turbine. In a typical condensing steam turbine, the exhausted steam condenses in the condenser and it is at a pressure well below atmospheric (absolute pressure of 0.008 MPa, which corresponds to 41.5°C).

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Turbocharger Fundamentals

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Abstract: Turbochargers are centrifugal compressors driven by an exhaust gas turbine and employed in engines to boost the charge air pressure.Turbocharger performance influences all important engine parameters, such as fuel economy, power, and emissions. It is important to understand a number of fundamental concepts before moving on to a more detailed discussion of turbocharger specifics.

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Gas Turbine for Power Generation- Introduction

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Because of the power required to drive the compressor, energy conversion efficiency for a simple cycle gas turbine power plant is typically about 30 percent, with even the most efficient designs limited to 40 percent. A large amount of heat remains in the exhaust gas, which is around 600ºC as it leaves the turbine.

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LP exhaust spray cooling system - Function and .

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control, function and system layout, start-up drains. During the low-load running of a turbine-generator unit, the volume of steam flowing through the last row of the LP turbine blades is reduced considerably and the smooth aerodynamic flow of steam through these blades is lost.

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US5462088A - Gas turbine exhaust diffuser - .

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The present invention relates to an exhaust diffuser for a gas turbine, the diffuser being designed to be inserted downstream from a last expansion stage constituted by an outlet duct of circular cross-section containing a central bulb. The diffuser includes a flared transition duct having an inlet end of circular cross-section identical to the cross-section of the outlet duct of the last ...

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Steam Turbine Basic Parts - Mechanical .

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Turbine Blades. The efficiency of the turbine depends on more than anything else on the design of the turbine blades. The impulse blades must be designed to convert the kinetic energy of the steam into mechanical energy. The same goes for the reaction blades, which furthermore must convert pressure energy to kinetic energy.

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Gas turbine - 3D CAD Models & 2D Drawings

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The thermal efficiency is lower in the indirect type of external combustion; however, the turbine blades are not subjected to combustion products and much lower quality (and therefore cheaper) fuels are able to be used. When external combustion is used, it is possible to use exhaust air from the turbine as the primary combustion air.

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Turbine blade - Wikipedia

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A turbine blade is the individual component which makes up the turbine section of a gas turbine or steam turbine.The blades are responsible for extracting energy from the high temperature, high pressure gas produced by the combustor.The turbine blades are often the limiting component of gas turbines. To survive in this difficult environment, turbine blades often use exotic materials like ...

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Turbine Engine Questions Flashcards | Quizlet

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An exhaust cone placed aft of the turbine in a jet engine will cause the pressure in the first part of the exhaust duct to..... Increase and the velocity to decrease. ... Direct the flow of gases to strike the turbine blades at the desired angle.

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Steam Turbine Technology | GE Steam Power

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Steam turbines, whether small scale or heavy-duty, are crucial for efficient power plants. GE Power has supplied 30% of the world's steam turbine capacity. Learn more about GE turbine technology.

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Each Blade a Single Crystal | American Scientist

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All turbines operate on similar principles: A gas or other fluid turns a rotor, which can do useful work. In a jet engine, air is taken in and compressed, then fuel is added and combusted to heat the air, which then turns the rotor blades of a turbine. The hot exhaust is then expelled through a nozzle to create thrust.

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Material Selection for High Pressure (HP) Turbine .

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Turbine blades are one of the various components constituting the turbine compartment of a gas turbine system. The turbine blade functions by extracting as much energy as possible from the high temperature high pressure gases leaving the combustion chamber to power the compressor shaft, while in some systems, the turbine is also used to ...

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Electricity Generation using Steam Turbines

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Both the fixed and the rotor blades of the reaction turbine are shaped more like aerofoils, arranged such that the cross section of the blades diminishes from the inlet side towards the exhaust side of the blades. This means that the cross section of the steam passages between both sets of fixed and rotor blades increases across the turbine stage.

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Design and Function of a Turbocharger - Turbine ...

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Turbine Blades and Exhaust Gas flow monitoring

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Turbine Blades and Exhaust Gas Flow Monitoring Using Microwave Probe 24 - 2 RTO-MP-AVT-121 NATO/PFP UNCLASSIFIED NATO/PFP UNCLASSIFIED Fig. 1.

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Steam turbine flow & operation | Processing .

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An exhaust hood guides steam from the last stage of the steam turbine, and it is designed to minimize pressure loss, which would decrease the thermal efficiency of the steam turbine. After the steam leaves the exhaust section, it enters a condenser, where it is cooled to a liquid state.

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Aircraft Turbine Engine Combustion Section .

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Turbine disk and blade inspection, Turbine blades are generally replaceable, subject to momentweight limitations. turbine nozzle inlet guide vane inspection, Checking the clearances of the turbine section. turbine engine exhaust section heat cracking. General procedures for performing a hot section (turbine and combustion section) inspection.

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Turbine Blades and Exhaust Gas flow monitoring .

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NATO/PFP UNCLASSIFIED Turbine Blades and Exhaust Gas Flow Monitoring Using Microwave Probe Małgorzata PERZ, Radosław PRZYSOWA, Edward DZIĘCIOŁ, Ryszard SZCZEPANIK Air Force Institute of Technology (Instytut Techniczny Wojsk Lotniczych) ul.

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US Patent for Turbine for an exhaust gas .

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In a turbine for an exhaust gas turbocharger including a turbine wheel with a number of turbine wheel blades supported in a housing, which defines a first radial inlet flow channel and which includes in the radial inlet flow channel a variable guide vane structure for guiding exhaust gas radially onto the turbine wheel, and a second, semi-axial, flow channel for guiding exhaust gas semi ...

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Turbine Blades and Exhaust Gas flow monitoring .

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NATO/PFP UNCLASSIFIED Turbine Blades and Exhaust Gas Flow Monitoring Using Microwave Probe Małgorzata PERZ, Radosław PRZYSOWA, Edward DZIĘCIOŁ, Ryszard SZCZEPANIK Air Force Institute of Technology (Instytut Techniczny Wojsk Lotniczych) ul.

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Gas turbine engine thrust - Wikipedia

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The familiar study of jet aircraft treats jet thrust with a "black box" description which only looks at what goes into the jet engine, air and fuel, and what comes out, exhaust gas and an unbalanced force.This force, called thrust, is the sum of the momentum difference between entry and exit and any unbalanced pressure force between entry and exit, as explained in "Thrust calculation".

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