Numerical Simulations of Vortex Shedding in Hydraulic Turbines | Zendy

Daniel J. Dorney | Zendy; Bogdan Marcu | Zendy

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Numerical Simulations of Vortex Shedding in Hydraulic Turbines

Author(s) -

Daniel J. Dorney,

Bogdan Marcu

Publication year - 2004

Publication title -

36th aiaa/asme/sae/asee joint propulsion conference and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2004-4020

Subject(s) - vortex shedding , hydraulic turbines , vortex , load shedding , marine engineering , aerospace engineering , mechanics , computer science , physics , engineering , power (physics) , turbine , electric power system , turbulence , reynolds number , quantum mechanics

Turbomachines for rocket propulsion applications operate with many different working fluids and flow conditions. Oxidizer boost turbines often operate in liquid oxygen, resulting in an incompressible flow field. Vortex shedding from airfoils in this flow environment can have adverse effects on both turbine performance and durability. In this study the effects of vortex shedding in a low-pressure oxidizer turbine are investigated. Benchmark results are also presented for vortex shedding behind a circular cylinder. The predicted results are compared with available experimental data. NOMENCLATURE

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