F. Sadlo, R. Peikert, E. Parkinson ETH Zurich, VA Tech Hydro, 2004

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Presentation transcript:

F. Sadlo, R. Peikert, E. Parkinson ETH Zurich, VA Tech Hydro, 2004 Vorticity Based Flow Analysis and Visualization for Pelton Turbine Design Optimization F. Sadlo, R. Peikert, E. Parkinson ETH Zurich, VA Tech Hydro, 2004

Introduction Water turbine design optimization Visualization of flow simulations Based on vorticity: 3D swirl of velocity Application: Pelton turbine Vorticity Based Flow Analysis and Visualization for Pelton ...

Pelton Turbine We concentrate on the first injector -> next slide should show first injector Vorticity Based Flow Analysis and Visualization for Pelton ...

Vortex Core Lines, Stream Lines Sujudi Haimes?## Picking tool: Seed circle orthogonal to flow Streamlines Vorticity Based Flow Analysis and Visualization for Pelton ...

Stream Tubes Circle picking tool Forward and backward tubes Separation vortex Vortex sheet roll-up Vorticity Based Flow Analysis and Visualization for Pelton ...

Isosurface of Vorticity Magnitude Boundary shear flow image## Isosurface clipped at 2mm from boundary Picking tool Initial planar curve orthogonal to flow Vorticity Based Flow Analysis and Visualization for Pelton ...

Vorticity Field Lines Vorticity Based Flow Analysis and Visualization for Pelton ...

Vorticity Field Lines Vorticity Based Flow Analysis and Visualization for Pelton ...