Overview
The course describes the key principles of axial turbine design and operation. The highlights of the program include the fundamentals of thermodynamics, gas dynamics, structural analysis and basics of steam turbines and their elements. This comprehensive course gives an in-depth insight into turbine engineering, starting from general data like turbine classification and layouts, and ending with 3D blade design.
The scope includes:
- Turbine designs and cycles.
- Initial turbine sizing. Multistage turbines.
- Turbine calculation. Design and off-design operating modes.
- Profiling and 3D blade design.
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“It is an extremely useful and educational course, a must for anyone working within the design and development of turbines. The course has a well thought out approach to the fundamentals of steam properties, turbine blade design and optimisation, including many other aspects of complete machine design. The course material is clear and concise, and an excellence source for future reference.
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James Richmond, BSc (Hons) CEng MIMechE
Principal Engineer - Steam Turbines
Dresser-Rand Company Ltd
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Who Should Attend
- Engineers interested in getting a detailed overview of the axial turbine basics.
- Engineers working in the mechanical and aerospace industries who want to optimize the process of axial turbine design and operation.
- Engineering students looking for a comprehensive, theory-rich and hands-on course to be able to meet the requirements of their future customers.
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Examples of Course Schedule and Contents
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Day 1*
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1. Steam turbine designs. Fundamental turbine stage parameters.
Basic steam turbine designs and cycles consideration. Introduction to turbine gas dynamics. Turbine stage and cascade: definitions, dimensions. Transformation of energy through turbine stage: impulse and reactive turbines, velocity triangles, stage dimensionless parameters, Rateau and Curtis stages.
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2. Initial turbine sizing. Multistage turbines
Preliminary design: selection of optimal number of stages and diameters. Design with inverse task. Turbine efficiency and energy losses. Main challenges in design process.
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3. Turbine optimization and detailed design
Direct task: meanline (1D) turbine calculation, streamline (2D) calculation, distributions of parameters spanwise, cylindrical and twisted blades: effects on turbine performance, mechanical and thermodynamic design. Optimisation methods, principles and processes. Off design turbine performance prediction, turbine operating modes.
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Day 2
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4. Profiling
Potential flow in blade-to-blade channel. Basic profiling knowledge’s, Pritchard profiling model. Subsonic and supersonic profiles, deviation angle Boundary layer. Laminar and turbulent flow modes.
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5. Blade design
3D blade design: cylindrical and twisted blades. Special blade design effects: lean, sweep. Structural analysis. Elements of rotor and stator: shrouds, diaphragms etc.
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6. Tertiary components
Sealing systems. Moisture separation and extraction, wet steam turbine special features. Steam extractions and additions. Steam admission types. Diaphragm design and balancing holes, axial loads.
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The tools used: Mollier diagram, scientific calculator, AxSTREAM
*Please note that the course schedule is not fixed and could be customized following the specific attendees’ requirements and needs.
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Locations and Dates
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February 8 - 12, 2010
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Düsseldorf,
Germany
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Integrated course:
Axial Turbine Fundamentals (Feb 8 - 9)
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AxSTREAM Workshop (Feb 10 - 12)
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Training is over |
September 20 - 21
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Düsseldorf,
Germany |
Integrated course:
Axial Turbine Fundamentals (Sep 20 - 21)
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AxSTREAM Workshop (Sep 22 - 24)
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Register |
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