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Slant tooth bucket tip seal test results — optimum tooth spacing Figure 24. Side entry last stage bucket cover design tip leakage control Figure 25. CFD analysis of bucket tip seal passage — velocity vectors Figure 26. Influence of tip seal reentry flow on stage exit flow angle -comparison of quasi-3D analysis test data Figure 27. Downward-flow exhaust hood Figure 28. Downward-flow exhaust hood test model Figure 29. Axial-flow exhaust hood Figure 30. Solid model of downward-flow exhaust hood for CFD analysis Figure 31.

Maintaining Optimum Steam Turbine-Generator Ther mal Performance,” Missouri Valley Electric Association 1981 Engineering Conference, Kansas City, Mo. M. , “Engineous: A Unified Approach to Design Optimization,” Applications of Artificial Intelligence in Engineering, Vol. 1: Design, pp. 137-157, Computational Mechanics Publications, Southampton, UK, 1990. , "Engineous Explores the Design Space," Mechanical Engineering, Vol. 114, No. 2, February 1992, pp. 49-52. , Goel, S. , “Toward Modeling the Concur rent Design of Aircraft Engine Turbines,” ASME Paper 93GT-193, 1993.

GE positive pressure packing Figure 49. Heat rate improvement for positive pressure packing in 500 MW units Figure 50. Subsonic air turbine test facility Figure 51. Cross-section of subsonic air turbine test facility GER-3713E Figure 52. Figure 53. Figure 54. Figure 55. Figure 56. Figure 57. Figure 58. Figure 59. Figure 60. Figure 61. Figure 62. Figure 63. Figure 64. Figure 65.

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Advances in Steam Path Technology


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