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Axial Turbine Design Tool Released
Posted Fri October 17, 2003 @08:02AM
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News SoftInWay, Inc. has announced the first commercial release of AxSTREAM™ 2003.10, a powerful software suite that encompasses the complete engineering process of gas/steam axial turbine flow path conceptual design and optimization, and delivers an advanced engineering desktop solution for use in the turbomachinery industry.

The software tool empowers designers to apply a concurrent development approach while solving combined problems of performance, reliability, operating life, and low-cost design process.

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The software package features the following principal capabilities:
  • Turbine/cylinder/stage flow path preliminary design (pre-design) ‘from-the-ground’ with elements of design process automation, including definition of principal dimensions and optimal number of stages, 1D heat cycle and structural calculation of stages;
  • “Stage-by-stage” flow path optimization and determination of blades number with regard to strength and technology constraints;
  • Generation of aerodynamically “perfect” profiles of blade sections and interactive editing and optimization based on empirical data and parameterization in plain terminology; calculations of potential streamlining and profile boundary layer;
  • Automatic and interactive 3D blade stacking with geometric and strength criteria control, assignment of user-defined values for blade lean and twist, and user-friendly visualization of profiling results;
  • Multistage flow path 1D verifying computations including analysis of drastic "off-design" conditions and optimization with regard to transients;
  • Stage-by-stage axi-symmetric and meanline calculations, and blade lean and sweep optimization;
  • Reduced-order loss computations in the flow path components based on a set of proven empiric models with independent selection of the loss model for any blade row and other flow path components. Support of user-defined loss models is provided;
  • Operation with embedded library of working fluid and components material properties;
  • Utilization of a set of efficient optimization methods for all phases of design in an interactive mode;
  • Integrated powerful optimization module based on design of experiments (DOE) methodology;
  • Seamless transfer of 3D geometry for detailed CFD analysis to CFX™ and Fluent™;
  • Export of pre-meshing data to SoftInWay’s MinuteMesh-Turbo™ powerful meshing tool and subsequent export of generated mesh to ANSYS™ for detailed blades structural and modal analysis.
  • Embedded Help system and a set of e-tutorials facilitate fast mastering of the package.

AxSTREAM™ licensing allows selection of a desired set of modules. A demo version is provided free-of-charge.

AxSTREAM™ was successfully used as in-house code on numerous projects ranging from large steam turbine LP stages (20 – 40 MW per stage) to HP stages of steam and gas turbines and was carefully validated against multiple sets of experimental data for steam and gas turbines.

"This first commercial software release is the most significant and comprehensive in the company's history. It culminates long period of technological advancements to empower the turbomachinery design and engineering community to develop better products faster," said Leonid Moroz, SoftInWay’s President and CEO.

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