Innovative design of attachment for turbine blade rotating. Performance optimization is intended to find the maximum f s and minimum sfc of the engine the method of optimization utilized here searches for the optimum compressor pressure ratio r f. In the context of the turbine design, the idea was to create a geometry model with caeses for use within a shape optimization process that includes automated cfd simulations and stress analysis for each new design candidate. Meeting the everincreasing worldwide demand for energy while simultaneously reducing co2 emissions in order to meet global climate goalsthat is the challenge faced by the power generation industry in general. The engineer instead takes decision regarding the physical settings of the cfd model to employ, the number and the extension of the geometrical parameters of the blade tip holes and the. The axstream s axial turbine profiler and blade design software module is used to create and edit 3d airfoils. Bapuji institute of engineering and technology, india, 2000 m. Multiobjective design optimization of gas turbine blade with emphasis on internal cooling by narasimha r. Chapter 8 design mode of the manual describes how to do optimization.
Multidisciplinary design optimization of turbine disks based on. The role that multiphysics simulation plays in multiple aspects of turbine blade design and optimization. The blades are responsible for extracting energy from the high temperature, high pressure gas produced by the combustor. Hence the design is carried out automatically by parallel computations, with the optimization algorithms taking the decisions rather than the design engineer. Multidisciplinary design optimization of turbine disks based. Special blade shapes can be applied for different manufacturing methods. Ansys blademodeler software is a specialized, easytouse tool for the rapid 3d design of rotating machinery components. Turbine blade optimization including scallops for a turbocharger. Softinway has extensive experience with gas turbine design and optimization. Based on this data, the accuracy of the five most popular. Ansys blademodeler is used to design axial, mixedflow and radial blade components in applications such as pumps, compressors, fans, blowers, turbines, expanders, turbochargers, inducers and more. Improving steam turbine efficiency with simulation. Aerodynamic design of a gas turbine rotor blade external.
Design, optimization, and analysis of supersonic radial. Cad based shape optimization for gas turbine component design 653 fig. In this paper, a turbine blade was optimized by multidisciplinary design optimization mdo method. In this paper, based on the platforms of ansys workbench software, the. Wind turbine design optimization is typically performed considering a given wind distribution. Design of a turbine blade with multidisciplinary design.
The wind turbine blade calculator helps you design a wind turbine blade set using four basic variables. For aerodynamic design optimization you can look at the book aerodynamics of wind turbines by martin o. Chapter 8 of this book explains the optimization procedure. Using similar gas conditions the new rotor blade was optimized with regard to metal angles and pitchchord ratio at reference scale. Blade passive protection methods consist of providing a thermal barrier coating on the turbine blade, particularly on the leading edge of the blade which is the area under the highest thermal stress. Gas turbine design software turbomachinery design software. Pdf design optimization of gas turbine blade internal cooling. Turbine blade cooling is yet another complex task in designing highly efficient and reliable turbines. Typical wind turbine blade design procedures employ reducedorder models almost exclusively for earlystage design.
Design and analysis of gas turbine blade theju v1, uday p s 2, plv gopinath reddy 3. Review of structural and thermal analysis of gas turbine blade g d ujade1 and m b bhambere2 corresponding author. It has become important to minimize the weight, size of any structure in present day assemblies. Integration and multidisciplinary design optimization of a simplified gas turbine model using perl and isight j,aiaa 2004 3 hongjun lia. Simulation for gas turbine blade design and optimization. The proposed optimization method has been used for the design optimization of a blower for gas turbine power plant. Design optimization of a highpressure turbine blade using uf mae. A unified view of blade design concepts and techniques is presented. From our flagship software platform axstream to axcycle, designed for the thermodynamic simulation and heat balance calculations of heat production and electric energy cycles, to our extensive engineering consultant services, you can rest assured that all your project needs will be met by our engineering experts.
The axstream platform is a multidisciplinary turbomachinery design, analysis and optimization software tool. Film cooling optimization on leading edge gas turbine. This turbine blade optimization is based on the optimization frame software isight, in which four disciplines aerodynamics, thermal dynamics, structural mechanics and structural dynamics have been integrated. Two commercial discipline analysis soft wares, numeca and ansys, are coupled in. Jun 18, 20 from the construction of the turbo jet engine to the flight just one step duration. The optimization problem maximizes stage efficiency, for the highpressure stage turbine, using turbine aerodynamic rules as. An existing rollsroyce high work single stage hwss turbine blisk provides a baseline to demonstrate the optimal aerodynamic design of a turbine blade. Learn how simulation tools from siemens plm software are helping power generation companies design gas turbines to meet the everincreasing worldwide. Aerostructural design optimization of composite wind turbine.
Service package 4 sp4 modernization and upgrades for gas. Department of mechanical engineering, the university of texas at arlington. Turbine blade optimization including scallops for a. It has been developed utilizing extensive field experience and advances in design technologies to help maximize the benefits to be offered to you. As the optimization software ioso pm parallel algorithm of ioso is used. It starts with a theoretical overview of turbine thermodynamics, gas dynamics and cycles, to continue with preliminary design, detailed design, analysis and optimization of axial turbines at the 1d, 2d and 3d levels including 3d blade design, fea and cfd analysis. Axstream progresses through a 1d inverse task solver optimizer, to continue with meanline 1d and axisymmetric 2d analysis, profiling and 3d blade design, 3d finite element analysis fea for. By combining various technologies, such as blade profile design optimization using 3d software, we are able to reduce secondary flow and friction losses. Aerodynamic design of a gas turbine rotor blade external final. For this, a commercial bladetoblade solver s1 plane and two different inhouse. A gas turbine is a type of internal combustion engine that can be used to produce shaft work output, e. Coordinate data points describing the 3d airfoil shape of the blade were imported into abaquscae, which was also used to construct the geometries of. Apr 01, 2006 in this paper, a turbine blade was optimized by multidisciplinary design optimization mdo method. The turbine blades are often the limiting component of gas turbines.
The fluid property database, coolprop, allows the user to apply a wide variety of fluids, such as rocket fuel or supercritical co2. Axial turbine design software turbomachinery design software. Department of mechanical engineering, the university of. Several methods are generally available within optimization software. Film cooling optimization on leading edge gas turbine blade. Chaitanya bharathi institute of technology, hyderabad, andhra pradesh, india. From the construction of the turbo jet engine to the flight just one step duration. Paper open access design and analysis of steam turbine blades.
Paper open access design and analysis of steam turbine. Multidisciplinary design optimization development for turbine blade j. Service package 4 sp4 modernization and upgrades for. Wind turbine design optimization under environmental. For some gasturbine packages, heat recovery is the source of many problems and issues. To this end, an optimization method has been applied to the attachment design. The axstream software platform for multidisciplinary design, analysis and optimization provides an integrated and streamlined approach to turbomachinery design. Therefore, their fracture characteristics, including tensile and fatigue characteristics should be clearly understood with respect to microstructures. This paper studies about the design and analysis of gas turbine blade, catia is used for design of solid model and ansys software for analysis for f. The onedimensional turbine predesign is a dlr inhouse tool, which was. The 3d cad model is created using the software catia v5. Increased gas turbine power up to 5 mw for turbine stages 1 and 2. Cfddriven shape optimization of turbine blades and endwall. Aerodynamic design and optimization of turbines dlr.
Design optimization of a highpressure turbine blade using. Turbine blade materials advancements made in the field of materials have contributed in a major way in building gas turbine engines with higher power ratings and efficiency levels. Yet, highfidelity structural analyses often provide designgoverning feedback such as buckling. Design optimization of gas turbine blades with geometry. Afterward a differential evolution multiobjective optimization with 12 geometrical design parameters is deducted. Simulation for gas turbine blade design and optimization meeting the everincreasing worldwide demand for energy while simultaneously reducing co 2 emissions in order to meet global climate goalsthat is the challenge faced by the power generation industry in general, and gas turbines in particular. Research on design and optimization of the turbine blade. Crossley2, dongbin xiu3 1 rollsroyce corporation, indianapolis, indiana, usa, girish.
Optimization of the gas turbine engine parts using methods of numerical simulation abstract as the analysis tool the wellknown commercial software package finedesign3d is used. Optimization of gas turbines for sustainable turbojet. A framework for isogeometricanalysisbased design and. Numerical prediction of fluid flow and heat transfer in turbine blades with internal coolingr. To construct the finite element model for the analysis figure 1, the geometry of the turbine blade airfoil was created using eblade, an airfoil aerodynamic design optimization software package. When considering the design of a turbojet, the basic thermodynamic variables at the disposal of the designer are the tit and r p, which are used to get the optimum performance of a turbojet. A turbine blade is the individual component which makes up the turbine section of a gas turbine or steam turbine. Apr 08, 2020 blade passive protection methods consist of providing a thermal barrier coating on the turbine blade, particularly on the leading edge of the blade which is the area under the highest thermal stress. Improvements in design of the gas turbine engines over the years have importantly been due to development of materials with enhanced performance levels. For the research project gamma, we developed a robust and variable geometry for a turbocharger turbine wheel, together with our customer mtu and the university darmstadt glr. Besides the variable blade geometry, socalled scallops are taken into account in this geometry model, too. In this case, it is to optimize the pretwisted blade angle of the integral unit of. Similar complexities govern film cooling as well, leading to complex fluidstructure interactions and turbulence physics.
A dovetail blade root was chosen as case study and the objective function was the static equivalent stress in the blade and the disc. This article reports the optimization of film cooling on a leading edge of a gas turbine blade model, with showerhead configuration, it is based on five input parameters, which are hole diameter, hole pitch, column holes pitch, injection angle, and velocity at plenum inlet. However, turbines so designed often end up being used at sites characterized by different wind distributions, resulting in significant performance penalties. One reason may be that in spite of the gas turbine, which is offered in standard models, the heatrecovery unit is usually a customdesigned system. Yet, highfidelity structural analyses often provide design governing feedback such as buckling. How the program makes effective use of the ansys preprocessor to. In one of our recent projects with siemens, we developed an easytouse and highly efficient workflow for the optimization of blade designs for stationary gas turbines, including endwall contouring. Mitsubishi hitachi power systems mhps has developed various highly efficient and highly reliable inhouse technologies for its steam turbine lineup. The aerodynamic design principles for a modern wind turbine blade are detailed, including blade plan shapequantity, aerofoil selection and optimal attack.
Design optimization of axial turbine with millions of. The course begins with a theoretical overview of turbine thermodynamics, gas dynamics and cycles, and continues with preliminary design, detailed design, analysis and optimization of radial turbines at the 1d, 2d and 3d levels including 3d blade design, fea and cfd analysis and more. Axstream progresses through a 1d inverse task solver optimizer, to continue with meanline 1d and axisymmetric 2d analysis, profiling and 3d blade design. Reliable operation of a gas turbine engine depends. Optimization of turbine blade dovetail geometry tech briefs. Furthermore, turbine blades require better cooling techniques to increase their cooling. Multiobjective design optimization of gas turbine blade with. The prospect presents the results of optimizing a threestage axial compressor. Zhang yanchun, finite element analysis of structure stress for a gas turbine disc j.
The axstreams axial turbine profiler and blade design software module is used. However, thanks to software tools such as axstream net, the task is drastically simplified while still gaining further insight into design details, allowing the turbine to be pushed to its fullest potential. A wide range of geometric tools and interactive charts allows users to configure the axial turbine s blades easily and in a short amount of time. These complexities make it impossible to obtain optimal cooling designs by intuition alone. The design variables investigated in this study were the blades quantity, orientation and shape. Free gas turbine simulation software download windows. Design and coupled field analysis of first stage gas turbine rotor blades, international journal of mathematics and engineering, vol, no. 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.
Wind power still needs to compete on a costbasis with fossil fuel. Wind turbine blade design optimization with simscale blog. Cad based shape optimization for gas turbine component design. Design optimization of gas turbine blades with geometry and. Increased gas turbine power up to 2,5 mw for turbine stages 3 and 4. Multiobjective design optimization of gas turbine blade. Stage one of a real gas turbine was used as a reference for the aerodynamic design providing a starting point for the project. The design optimization of a small axial turbine with millions of configurations. Axstream is fully capable of axial flow turbine optimization calculations. Pdf gas turbine blade cooling system design is a multidisciplinary, iterative, manual and often tedious task involving complex relationships among. Blade design and analysis for steam turbines provides a concise reference for practicing engineers involved in the design, specification, and evaluation of industrial steam turbines, particularly critical process compressor drivers. The performance and reliability of the gas turbine package depend on the heatrecovery system.
Sensitivitybased simulation software for optimization of. Design and analysis of gas turbine rotor blade using finite element method 77 changes in microstructure. Cooling methods in turbine blades turbomachinery blog. Meherhomjis areas of interest are power augmentation, aerothermal analysis, gas turbine deterioration, blade failures, and vibration analysis. In this project we propose to develop optimization software for the design and optimization of turbine blade cooling strategies.
The service package 4 upgrade combines upgrades of proven technology among which improved blade design and enhanced combustion technology. Education software downloads gpal single shaft gas turbine simulator version 2 by gas path analysis ltd and many more programs are available for instant and free download. Aerostructural design optimization of composite wind. The seri8 wind turbine blade is a reference blade design and modified for better aerodynamic performance. This bestinclass software solution encompasses the complete process for radial, axial and mixed flow turbomachinery design. Our turbine module currently can be used to design and optimize 1stage or 2stage gas turbines, such as rocket turbopump turbines. Cfddriven shape optimization of turbine blades and. This includes gas and steam turbines, compressors, blowers, pumps, fans, rotors, bearings, secondary flows, and cooling. Veeraragavan effect of temperature distribution in 10c460c50 gas turbine blade model using finite element analysis. Turbine design is a multistage process where the first stage. Together with the departments fan and compressor and numerical methods a. Blade material the material used for the turbine blades is based on the level of turbine operation. You can also look at the examples provided in the propid. Optimization of twisted aerofoil blade angle of a structural.
Design optimization of customizable centrifugal industrial. University of central florida, 2008 a dissertation submitted in partial fulfillment of the requirements. The dovetail was described by variable parameters under geometrical and physical constraints. Turbomachinery solutions turbomachinery design software. To survive in this difficult environment, turbine blades often use exotic materials like.
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