Simulation of 3D flow in turbine blade rows including the effects of coolant ejection |
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Authors: | Jian-Jun Liu Bai-Tao An Yun-Tao Zeng |
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Affiliation: | (1) Institute of Engineering Thermophysics, Chinese Academy of Sciences, P. O. Box 2706, Beijing, 100080, China |
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Abstract: | This paper describes the numerical simulation of three-dimensional viscous flows in air-cooled turbine blade rows with the effects of coolant ejection. A TVD Navier-Stokes flow solver incorporated with Baldwin-Lomax turbulence model and multi-grid convergence acceleration algorithm are used for the simulation. The influences of coolant ejection on the main flow are accounted by volumetric coolant source terms. Numerical results for a four-stage turbine are presented and discussed. |
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Keywords: | Numerical Simulation Air-Cooled Turbine Blade Row Coolant Ejection |
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