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RISPrediction of Ingress Through Turbine Rim Seals—Part II: Combined Ingress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Part I of this two-part paper, the orifice equations were solved for the case of externally induced (EI) ingress, where the effects of rotational speed are negligible. In Part II, the ...
Physical Interpretation of Flow and Heat Transfer in Preswirl Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper compares heat transfer measurements from a preswirl rotor–stator experiment with three-dimensional (3D) steady-state results from a commercial computational fluid dynamics (CFD) code. The ...
Prediction of Ingress Through Turbine Rim Seals—Part I: Externally Induced Ingress
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rotationally induced (RI) ingress is caused by the negative pressure (relative to the external air) inside the wheel-space of a gas turbine; this negative pressure, which is created by the ...
Computational Fluid Dynamics Simulations of Flow and Heat Transfer in a Preswirl System: Influence of Rotating-Stationary Domain Interface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents computational fluid dynamics (CFD) predictions of flow and heat transfer for an over-swirled low-radius preswirl system and comparison with experimental data. The rotor-stator ...