SoftInWay - Conceptual turbomachinery design and optimization
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Fig 11. CFD (from below) vs SoftInWay (from above) comparisons of isentropic Mach numbers on Blade #4.
(W-downstream relative velocity; 
a*-critical velocity; 
(un)comp – (un)compressible flow results).
Fig 11. CFD (from below) vs SoftInWay (from above) comparisons of isentropic Mach numbers on Blade #4.
W-downstream relative velocity; a*-critical velocity; (un)comp – (un)compressible flow results).



Fig 12. CFD vs SoftInWay comparisons. Power on the various
stages.
Fig 12. CFD vs SoftInWay comparisons. Power on the various stages.

SUMMARY

Modern day flow path design and optimization tools provide designers with new and powerful capabilities to analyze, compare and weight numerous design solutions based on myriad of variables.

While no design may be optimally “perfect” those capabilities the gas turbine communities now possess give them the opportunity to approach the design process in a whole new manners just as described in the title of this paper, “Advanced Gas Turbine Concept, Design and Evaluation Methodology”

REFERENCES

1. Moroz. L., Govorushńhenko Y., Romanenko L., Pagur P. “Methods and Tools for Multidis-ciplinary Optimization of Axial Turbine Stages with Relatively Long Blades”. Proceedings of Turbo Expo 2004. 14-17 June Vienna, Austria.

2. Miller, M. J., Durschmidt, D. F., Medlock, A. and Sandel, W. A. “An Integrated Design System for Fans, Compressors, and Turbines: Part I: Overview”, Proceedings of Turbo Expo 2004. June 14-17, Vienna, Austria.

3. Moroz L., Govorushchenko Y., and Pagur P. “Axial Turbine Stage Design: 1D/2D/3D Simulation, Experiment, Optimization — Design of Single Stage Test Air Turbine Models and Validation of 1D/2D/3D Aerodynamic Computation Results Against Test Data”, Proceedings of Turbo Expo 2005. June 6-9, Reno-Tahoe, Nevada, USA.

4. Aungier R.H., “Turbine Aerodynamics: Axial-Flow and Radial-Flow Turbine Design and Analysis”, ASME Press, 2006.

5. Jiang Hongde, Xu Kepeng, Li Baoqing, Xu Xinzhong, Chen Qing. “A Precise Full-dimensional Design System for Multistage Steam Turbines. Part I: Philosophy and Architecture of the System”. Proceedings of Turbo Expo 2007. May 14-17, Montreal, Canada.



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