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Calculation of the Flow around a High-Pressure Turbine Blade with Cooling-Jet Injection from Slots at the Leading Edge

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Abstract

A fully vectorised, basically three-dimensional finite-volume multi-block method for flows with complex boundaries is applied in a stripped-down two-dimensional version for the investigation of the flow field in the leading-edge region of a high-pressure turbine blade with slot cooling-jet injection. The calculation results are compared with experiments and the numerical results of other investigators. The present method yields excellent agreement with the experiments for the isentropic Mach number distributions on the blade surface. All numerical results for the velocity field were found to be in very good agreement with each other and with experiments on the suction side, while the agreement is not as good on the pressure side.

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Authors and Affiliations

  1. Institute for Hydromechanics, University of Karlsruhe, Kaiserstrasse 12, D-76128, Karlsruhe, Germany

    Georgios Theodoridis & Wolfgang Rodi

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  1. Georgios Theodoridis
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  2. Wolfgang Rodi
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Theodoridis, G., Rodi, W. Calculation of the Flow around a High-Pressure Turbine Blade with Cooling-Jet Injection from Slots at the Leading Edge. Flow, Turbulence and Combustion 62, 89–110 (1999). https://doi.org/10.1023/A:1009964321807

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