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Journal article

LDA-PIV Diagnostics and 3D Simulation of Oscillating Swirl Flow in a Closed Cylindrical Container

By Naumov, Igor1,2; Okulov, V. L.; Meyer, Knud Erik1,2; Sørensen, Jens Nørkær1,2; Shen, Wen Zhong1,2

From

Fluid Mechanics, Department of Mechanical Engineering, Technical University of Denmark1

Department of Mechanical Engineering, Technical University of Denmark2

Results on unsteady vortex breakdown are obained simultaneously using two diagnostics methods: a) determination of velocity fields by particle tracks (Particle Image Velocimeter - PIV), b) determination of velocity fields by Laser Doppler Anemometry (LDA), are presented.The experiments data are in some regimes supplemented by th 3D computations of the incompressible Navier-Stokes equations in cylindrical coordinates.

Perfect agreements between calculation and experiment reveal efficiency of both diagnostics method for pulsating vortex breakdown and numerical method for solution to 3D unsteady Navier-Stokes equations.

Language: English
Year: 2003
Pages: 143-148
ISSN: 08698635 and 08698643
Types: Journal article
ORCIDs: Meyer, Knud Erik , Sørensen, Jens Nørkær and Shen, Wen Zhong

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