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Lagrangian Particle Tracking in a Large-Scale Impinging Jet Using Shake-The-Box

Results from STB evaluations for the two jet flow velocities (nu_J = 1 m/s, left and nu_J = 16 m/s, right). Velocity vectors of particles for nine successive time-steps, color-coded by y-velocity. Detail view for 1 m/s shows a slice of 20mm thickness from the middle of the volume at the impinging point

Results from STB evaluations for the two jet flow velocities (nu_J = 1 m/s, left and
nu_J = 16 m/s, right). Velocity vectors of particles for nine successive time-steps, color-coded by y-velocity. Detail view for 1 m/s shows a slice of 20mm thickness from the middle of the volume at the impinging point

Results from the application of FlowFit to the STB tracking results for jet velocities of 1 m/s (left) and 16 m/s (right). Shown are instantaneous iso-surface of Q-criterion (Q = 500/s^2 at nu_J = 1 m/s and Q = 150,000/s^2 at nu_J = 16 m/s). Views from above the impinging plate (top, color-coded by x-velocity) and from the side (bottom, color-coded by y-velocity) are provided

Results from the application of FlowFit to the STB tracking results for jet velocities of 1 m/s (left) and 16 m/s (right). Shown are instantaneous iso-surface of Q-criterion (Q = 500/s^2 at nu_J = 1 m/s and Q = 150,000/s^2 at nu_J = 16 m/s). Views from above the impinging plate (top, color-coded by x-velocity) and from the side (bottom, color-coded by y-velocity) are provided

Contributed by:
Florian Huhn (Institute of Aerodynamics and Flow Technology, German Aerospace Center, Göttingen, Germany)