This paper describes the performance of a highly loaded single-stage transonic turbine with a pressure ratio of 3.76 and a stage loading factor of 2.47. Tests were carried out with three rotors, covering a range of blade Zweifel coefficient of 0.77 to 1.18. Detailed traversing at rotor inlet and exit allowed an assessment of rotor and stage performance as a function of blade loading under realistic operating conditions. The effect of stator endwall contouring on overall stage performance was also investigated using two different contours with the same vane design.
Influence of Rotor Blade Aerodynamic Loading on the Performance of a Highly Loaded Turbine Stage
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Moustapha, S. H., Okapuu, U., and Williamson, R. G. (April 1, 1987). "Influence of Rotor Blade Aerodynamic Loading on the Performance of a Highly Loaded Turbine Stage." ASME. J. Turbomach. April 1987; 109(2): 155–161. https://doi.org/10.1115/1.3262078
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