Manjunath 4 1 u g student, department of aeronautical engineering, sce, chikkaballapura, karnataka, india. Pdf in the present work the first stage rotor blade of a twostage gas turbine has been analyzed for structural, thermal using ansys 12 which is. Design procedure this design task can be divided in six fundamental elements. Design and analysis of gas turbine blade theju v1, uday p s 2, plv gopinath reddy 3, c.
Study of failure analysis of gas turbine blade patil a. The turbine blades are often the limiting component of gas turbines. An attempt has been made to investigate the effect of temperature and induced stresses on the turbine blade. University of central florida, 2008 a dissertation submitted in partial fulfillment of the requirements. Design and analysis of a gas turbine blade by using fem. The rotor is the core component of a gas turbine, and more than 80% of the failures in gas turbines occur in the rotor system, especially during the startup period. The temperature has a significant effect on the overall stresses in the turbine blades. Structural design and analysis of gas turbine blade using. Modeling of gas turbine blade is done in solid works 2016 design software. Blade material the material used for the turbine blades is based on the level of turbine operation. The turbine is a mechanical power generating rotary device which uses power of flowing fluid and converts it into useful work. Structural and thermal analysis of steam turbine blade.
Hence there is a pressing need for analysis of turbine blades. This paper summarizes the design and analysis of gas turbine blade, catia is used for design of solid model and ansys software for analysis for f. It is used in different modes such as power generation, oil and gas, process plants, aviation, domestic and related small industries. U g student, department of aeronautical engineering, sce, chikkaballapura, karnataka, india2. From different materials titanium alloy, stainless steel alloy and aluminum2024 alloy that has been considered for the purpose analysis. Catia v5 is used for design of solid model of turbine blade. Pdf design and analysis of first stage 22omw gas turbine.
A design approach to avoid flutter of low pressure turbine blades in aircraft engines is described. The present paper deals with structural analysis of gas turbine blade. Structural and thermal analysis of steam turbine blade using fem. The modeling of the gas turbine blade is done in solidworks part design and the simulations and analysis are performed using solidworks simulation. A linearized euler analysis, previously validated using experimental data, is used for a series of parameter studies. Structural analysis of turbine blades using unified.
Basic model is designed in the catia software which is. Design and analysis of gas turbine blade with varying. A design method to prevent low pressure turbine blade flutter. Pdf design and analysis of gas turbine blade jayaprakash.
Meherhomjis areas of interest are power augmentation, aerothermal analysis, gas turbine deterioration, blade failures, and vibration analysis. Static structural and modal analysis of gas turbine blade rotordynamic modal analysis of impeller in ansys part2. Multiobjective design optimization of gas turbine blade. The design and analysis of first stage gas turbine blade with. Design and analysis of gas turbine blade by potential flow. Design of an axial turbine and thermodynamic analysis and. Wesorick ge industrial 8c power systems schenectady, ny introduction several important design philosophies have enabled the ge family of heavyduty gas turbines to achieve worldwide market leadership. In the present work the first stage rotor blade of a two stage gas turbine has been analysed for static structural, steady state thermal, modal and high. He has 21 years of industry experience including gas turbine and compressor design, troubleshooting, and engine development. Typical life and integrity requirement mechanical design is focused on obtaining low weight, highintegrity and balanced solutions for the compressors. The influence of mode shape and reduced frequency are investigated. However, when delivering the gas turbines to the customers the manufacturers do.
Gasturbine, structural design, conceptual design analysis, axial compressor, mechanical. For this, the specifications of many micro gas turbine engines are taken by conducting a literature survey to get the design data for an apt turbine blade. Fundamentals of gas turbine engines introduction the gas turbine is an internal combustion engine that uses air as the working fluid. The aerodynamic analysis assumed a recessed casing over the blade. The design and analysis of first stage gas turbine blade ijltet. Design and analysis of a highpressure turbine blade in a jet. Structural and conceptual design analysis of an axial. Multiobjective design optimization of gas turbine blade with emphasis on internal cooling by narasimha r. This paper presents the design of combustion chamber followed by three dimensional simulations to investigate the. Introduction the gas turbine in its most common from is a rotary heat. Optimization of a radial turbine for pulsating flows. In the present work the first stage rotor blade of a two stage gas turbine has been analyzed for structural, thermal, modal analysis using ansys 9.
Turbine bladeheat transfer analysis by using fluidssolid interfaces with ansys cfx duration. The turbine blades analysis is carried out using finite element analysis software ansys. The analysis was carried out to know the mechanical stresses and deformation experienced by the gas turbine rotor blade. The aerodynamic design principles for a modern wind turbine blade are detailed, including blade plan shapequantity, aerofoil selection and optimal attack. Numerous methods have been recommended for the cooling of blades and a unique technique is to be used to ensure radial holes to pass high velocity cooling air. Abstractthe gas turbine is the heart of all modern marine propulsion. Design and analysis of a gas turbine blade by using fem l. Design and analysis of gas turbine combustion chamber.
Lawrence, theoretical analysis of gas turbine blades by finite element method, journal of the institute of. The role of the turbine blisk in a gas turbine is to expand the hot gases. Design and analysis of a highpressure turbine blade in a. It was observed that in the above design, after the rotor blades being designed they were analyzed only for the mechanical stresses. In this paper, the transient equivalent stress of a gas turbine rotor under the cold startup condition. The failure of a second stage blade in a gas turbine was investigated by metallurgical and mechanical examinations of the failed blade. Paper open access design and analysis of steam turbine blades. Once all the parameters are known, the thermodynamic analysis can be carried out for the gas turbine. The gas turbine operates on an open cycle consisting of a compressor, a combustor, and a turbine combined in series figure 2. The results showed that inconel 718 had higher value of yield strength due to which less stress was induced in it as compared to titanium t6. Packaging a gas turbine typically involves customization of the design to create the most appropriate sitespecific solution. One such technique is to have axial holes along the blade.
High performance postprocessing application for time, frequency, and order domain analysis. Design a gas turbine combustor using design software as. The present study deals with the fatigue analysis of a turbine disc integrated blade and disc for a small gas turbine for a short life application. Maximize efficiency of sensor placement before the test to get the best test data possible. The blades are responsible for extracting energy from the high temperature. How the program makes effective use of the hypermesh preprocessor.
Johnston and diane smrt p,mt i of this report describes a nethod for desqnmg the blades of a highly loaded tzostage turbme on the basis of certain design parameters derived fron an effxient tubme of lower loadmg. Elongations were found to be maximum at blade tip and at higher temperatures. The design and analysis of first stage gas turbine blade. The blades are responsible for extracting energy from the high temperature, high pressure gas produced by the combustor. This project summarizes the design and analysis of gas turbine blade, catia is used for design of solid model and ansys software for analysis for f. In this paper, the transient equivalent stress of a gas turbine rotor under the cold startup condition is. Therefore, the safety assessment of the rotor during the startup period is essential for the design of the gas turbine. We are experts at designing complete data acquisition solutions.
Design and analysis of gas turbine blade open access. Transient analysis and design improvement of a gas turbine. This paper summarizes the design and analysis of gas turbine blade, catia is used for design of solid model and hypermesh software for analysis for f. Lawrence, theoretical analysis of gas turbine blades by finite element method, journal of. The following conclusions are made from the above analysis.
Design and analysis of stator, rotor and blades of the axial. Design and cfd analysis of gas turbine engine chamber. Design optimization of a highpressure turbine blade using. Pdf the objective of this project is to design and stresses analyze a turbine blade of a jet engine.
Reliable operation of a gas turbine engine depends on the structural integrity of its rotating parts. Three different models consisting of solid blade and blades with varying. Design and structural analysis of gas turbine blade. Finite element analysis is used in the present work to examine steady state thermal performance for aluminum alloy, nickel alloy and titanium alloy. Bapuji institute of engineering and technology, india, 2000 m. Design and analysis of gas turbine blade open access journals. Present work has been carried out on the structural and thermal analysis of first stage hallow rotor blade of a twostage gas turbine using ansys 14 which is the powerful finite element software. For over 20 years, apex has offered comprehensive turbine testing solutions from highly.
The main objective is to manufacture highly efficient, more reliable machine for the energy market. Suresh thermal analysis of a gas turbine rotor blade by using ansys,international journal of engineering. Abstract a turbine blade is the individual component which make up the turbine part of a gas turbine. Paper open access design and analysis of steam turbine. Index termsthermal analysis, gas turbine blade, ansys, thermal stresses. Structural and thermal analysis of a gas turbine blade.
That turbine section is connected to a compressor section via a shaft or spool, and that compressor section can either be axial or centrifugal. Gas turbine is one of the most versatile items of turbo machinery nowadays. They convert the chemical potential energy of the fuel to mechanical energy. Design and analysis of gas turbine blade with varying pitch. Therefore the turbine blades to be analyzed for the mechanical and thermal stresses. Design and analysis of stator, rotor and blades of axial flow compressor.
Fast aerodynamic design of a onestage axial gas turbine in. The packaging of a gas turbine is the practice of combining and integrating machineries and components for specific application and plant settings. Review of structural and thermal analysis of gas turbine blade g d ujade1 and m b bhambere2 corresponding author. Blade design and analysis for steam turbines book by george lucas and murari singh. Naumann holds a degree of diplom ingenieur in turbomachinery design from the technical university, bniunschweig, germany, and a m. This gas stream is used to power the compressor that supplies the air to the engine as well as providing excess energy that may be used to do other work. For the unshrouded blade the recess height and the. Design and performance of a gasturbine engine from an. Research paper the design and analysis of gas turbine blade. Chaitanya bharathi institute of technology, hyderabad, andhra pradesh, india. Analysis fea and computational fluid dynamics cfd, damper design, detailed material characterization programs, improved life assessment models are now standard for a typical blade design 1. Running a significance experiment to get the efficiency of the combustion process. A turbocharger turbine is exposed to pulsating flow conditions when it is connected to an engine exhaust system due to the opening and closing of the exhaust valves. 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.
Gas turbine blade operated at high temperature provides better efficiency and maximum work output. Inconel 718 and titanium t6 were taken as the materials for the analysis of the turbine blade. Pdf design and analysis of gas turbine blade researchgate. Tech assistant professor, department of mechanical engg. Design of an axial turbine and thermodynamic analysis and testing of a k03 turbocharger by yoshio samaizu perez zuniga submitted to the department of mechanical engineering on may 18, 2011, in partial fulfillment of the requirements for the degree of bachelor of science in mechanical engineering abstract. Thermal analysis on rotary gas turbine rotor blade with.
Design and analysis of gas turbine rot or blade using finite element method 97 freedom at each nodeas sho wn below in figure 7, translations in the nodal x, y, and z directions. Thermal analysis of gas turbine blade, ijmerr 2 shreya nair, tanya chhabra, priyanka verma, shruti mittal steady state structural analysis of high pressure gas turbine blade, ijerr 3 deepanraj and p. Cooling of gas turbine blades are major attention to high temperature working conditions. Theoretical analysis of gas turbine blades by finite element method by lawrence and depanraj 1 published various techniques for cooling of turbine blades. Pdf design and analysis of turbine blades in a micro gas. This project summarizes the design, analysis and modification of the cooling passage in the gas turbine blade design. In a gas turbine engine, a single turbine section is made up of a disk or hub that holds many turbine blades. On which catia v5 is used for design of solid model of the turbine blade with the help of the spline and extrude options. The design and analysis method for a gas turbine blade is discussed in 30. Kashibai navale college of engineering, pune, india. The steady state thermal and static structural analysis of turbine blade is carried out using ansys. Shrouded cmc rotor blades for high pressure turbine.
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