A comparison of the calculated and experimental off-design performance of a radial flow turbine | Zendy

Lizet Tirres | Zendy

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A comparison of the calculated and experimental off-design performance of a radial flow turbine

Author(s) -

Lizet Tirres

Publication year - 1992

Publication title -

28th joint propulsion conference and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1992-3069

Subject(s) - aerodynamics , inviscid flow , inflow , turbine , rotor (electric) , static pressure , inlet , mechanics , flow (mathematics) , materials science , mechanical engineering , engineering , physics

Off design aerodynamic performance of the solid version of a cooled radial inflow turbine is analyzed. Rotor surface static pressure data and other performance parameters were obtained experimentally. Overall stage performance and turbine blade surface static to inlet total pressure ratios were calculated by using a quasi-three dimensional inviscid code. The off design prediction capability of this code for radial inflow turbines shows accurate static pressure prediction. Solutions show a difference of 3 to 5 points between the experimentally obtained efficiencies and the calculated values.

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